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  • 北京元坤伟业科技有限公司

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  • OPA2134UA/2K5
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产品型号OPA2134UA/2K5的概述

OPA2134UA/2K5芯片概述 OPA2134UA/2K5是一款高性能的双路运算放大器,由德州仪器(Texas Instruments)公司生产。该芯片以其低失真、高带宽和广泛的输入电压范围而受到广泛关注,适用于音频放大、传感器信号调理和其他高精度模拟电路应用。OPA2134UA/2K5的设计注重信号完整性,特别是在具有高动态范围的应用中。 芯片的主要特点包括其出色的共模抑制比(CMRR)和增益带宽积,允许在多种工作条件下实现优异的线性响应。这使得OPA2134UA/2K5在音频设备中非常受欢迎,例如高保真音频放大器和乐器效果处理器。此外,OPA2134UA/2K5还具有低功耗特性,使其在便携式设备中也表现优异。 OPA2134UA/2K5详细参数 在了解OPA2134UA/2K5的特性时,首先需要关注其关键参数。以下是该芯片的一些主要技术参数: - 增益带宽积:约为8 MHz,适...

产品型号OPA2134UA/2K5的Datasheet PDF文件预览

®
OPA134  
OPA2134  
OPA134  
OPA2134  
OPA4134  
OPA4134  
OPA134  
OPA2134  
OPA4134  
TM  
High Performance  
AUDIO OPERATIONAL AMPLIFIERS  
FEATURES  
SUPERIOR SOUND QUALITY  
ULTRA LOW DISTORTION: 0.00008%  
LOW NOISE: 8nV/Hz  
DESCRIPTION  
The OPA134 series are ultra-low distortion, low noise  
operational amplifiers fully specified for audio appli-  
cations. A true FET input stage was incorporated to  
provide superior sound quality and speed for excep-  
tional audio performance. This in combination with  
high output drive capability and excellent dc perfor-  
mance allows use in a wide variety of demanding  
applications. In addition, the OPA134’s wide output  
swing, to within 1V of the rails, allows increased  
headroom making it ideal for use in any audio circuit.  
TRUE FET-INPUT: IB = 5pA  
HIGH SPEED:  
SLEW RATE: 20V/µs  
BANDWIDTH: 8MHz  
HIGH OPEN-LOOP GAIN: 120dB (600)  
WIDE SUPPLY RANGE: ±2.5V to ±18V  
SINGLE, DUAL, AND QUAD VERSIONS  
OPA134 op amps are easy to use and free from phase  
inversion and overload problems often found in com-  
mon FET-input op amps. They can be operated from  
±2.5V to ±18V power supplies. Input cascode cir-  
cuitry provides excellent common-mode rejection and  
maintains low input bias current over its wide input  
voltage range, minimizing distortion. OPA134 series  
op amps are unity-gain stable and provide excellent  
dynamic behavior over a wide range of load condi-  
tions, including high load capacitance. The dual and  
quad versions feature completely independent cir-  
cuitry for lowest crosstalk and freedom from interac-  
tion, even when overdriven or overloaded.  
APPLICATIONS  
PROFESSIONAL AUDIO AND MUSIC  
LINE DRIVERS  
LINE RECEIVERS  
MULTIMEDIA AUDIO  
ACTIVE FILTERS  
Single and dual versions are available in 8-pin DIP  
and SO-8 surface-mount packages in standard con-  
figurations. The quad is available in 14-pin DIP and  
SO-14 surface mount packages. All are specified for  
–40°C to +85°C operation. A SPICE macromodel is  
available for design analysis.  
PREAMPLIFIERS  
INTEGRATORS  
CROSSOVER NETWORKS  
OPA4134  
OPA134  
Out A  
–In A  
+In A  
V+  
1
2
3
4
5
6
7
14 Out D  
13 –In D  
12 +In D  
11 V–  
Offset Trim  
1
2
3
4
8
7
6
5
Offset Trim  
V+  
–In  
+In  
V–  
A
B
D
C
OPA2134  
Output  
Out A  
1
2
3
4
8
7
6
5
V+  
NC  
+In B  
–In B  
Out B  
10 +In C  
A
–In A  
+In A  
V–  
Out B  
–In B  
+In B  
8-Pin DIP, SO-8  
9
8
–In C  
Out C  
B
14-Pin DIP  
SO-14  
8-Pin DIP, SO-8  
International Airport Industrial Park  
Mailing Address: PO Box 11400, Tucson, AZ 85734  
FAXLine: (800) 548-6133 (US/Canada Only)  
Street Address: 6730 S. Tucson Blvd., Tucson, AZ 85706  
Tel: (520) 746-1111 • Twx: 910-952-1111  
Internet: http://www.burr-brown.com/  
Cable: BBRCORP  
Telex: 066-6491  
FAX: (520) 889-1510  
Immediate Product Info: (800) 548-6132  
© 1996 Burr-Brown Corporation  
PDS-1339C  
Printed in U.S.A. December, 1997  
SBOS058  
SPECIFICATIONS  
At TA = +25°C, VS = ±15V, unless otherwise noted.  
OPA134PA, UA  
OPA2134PA, UA  
OPA4134PA, UA  
PARAMETER  
CONDITION  
MIN  
TYP  
MAX  
UNITS  
AUDIO PERFORMANCE  
Total Harmonic Distortion + Noise  
G = 1, f = 1kHz, VO = 3Vrms  
RL = 2kΩ  
0.00008  
0.00015  
–98  
%
%
dB  
dBu  
RL = 600Ω  
G = 1, f = 1kHz, VO = 1Vp-p  
THD < 0.01%, RL = 2k, VS = ±18V  
Intermodulation Distortion  
Headroom(1)  
23.6  
FREQUENCY RESPONSE  
Gain-Bandwidth Product  
Slew Rate(2)  
Full Power Bandwidth  
Settling Time 0.1%  
0.01%  
8
MHz  
V/µs  
MHz  
µs  
µs  
µs  
±15  
±20  
1.3  
0.7  
1
G = 1, 10V Step, CL = 100pF  
G = 1, 10V Step, CL = 100pF  
(VIN) • (Gain) = VS  
Overload Recovery Time  
0.5  
NOISE  
Input Voltage Noise  
Noise Voltage, f = 20Hz to 20kHz  
Noise Density, f = 1kHz  
Current Noise Density, f = 1kHz  
1.2  
8
3
µVrms  
nV/Hz  
fA/Hz  
OFFSET VOLTAGE  
Input Offset Voltage  
±0.5  
±1  
±2  
106  
135  
130  
±2  
±3(3)  
mV  
mV  
µV/°C  
dB  
dB  
dB  
TA = –40°C to +85°C  
TA = –40°C to +85°C  
VS = ±2.5V to ±18V  
dc, RL = 2kΩ  
vs Temperature  
vs Power Supply (PSRR)  
Channel Separation (Dual, Quad)  
90  
f = 20kHz, RL = 2kΩ  
INPUT BIAS CURRENT  
Input Bias Current(4)  
vs Temperature(3)  
VCM =0V  
VCM =0V  
+5  
See Typical Curve  
±2  
±100  
±5  
±50  
pA  
nA  
pA  
Input Offset Current(4)  
INPUT VOLTAGE RANGE  
Common-Mode Voltage Range  
Common-Mode Rejection  
(V–)+2.5  
86  
±13  
100  
90  
(V+)–2.5  
V
dB  
dB  
VCM = –12.5V to +12.5V  
TA = –40°C to +85°C  
INPUT IMPEDANCE  
Differential  
Common-Mode  
1013 || 2  
1013 || 5  
|| pF  
|| pF  
VCM = –12.5V to +12.5V  
OPEN-LOOP GAIN  
Open-Loop Voltage Gain  
RL = 10k, VO = –14.5V to +13.8V  
RL = 2k, VO = –13.8V to +13.5V  
RL = 600, VO = –12.8V to +12.5V  
104  
104  
104  
120  
120  
120  
dB  
dB  
dB  
OUTPUT  
Voltage Output  
RL = 10kΩ  
RL = 2kΩ  
RL = 600Ω  
(V–)+0.5  
(V–)+1.2  
(V–)+2.2  
(V+)–1.2  
(V+)–1.5  
(V+)–2.5  
V
V
V
Output Current  
±35  
0.01  
10  
±40  
mA  
Output Impedance, Closed-Loop(5)  
f = 10kHz  
f = 10kHz  
Open-Loop  
Short-Circuit Current  
mA  
Capacitive Load Drive (Stable Operation)  
See Typical Curve  
POWER SUPPLY  
Specified Operating Voltage  
Operating Voltage Range  
Quiescent Current (per amplifier)  
±15  
V
V
mA  
±2.5  
±18  
5
IO = 0  
4
TEMPERATURE RANGE  
Specified Range  
Operating Range  
Storage  
–40  
–55  
–55  
+85  
+125  
+125  
°C  
°C  
°C  
Thermal Resistance, θJA  
8-Pin DIP  
SO-8 Surface-Mount  
14-Pin DIP  
100  
150  
80  
°C/W  
°C/W  
°C/W  
°C/W  
SO-14 Surface-Mount  
110  
NOTES: (1) dBu = 20*log (Vrms/0.7746) where Vrms is the maximum output voltage for which THD+Noise is less than 0.01%. See THD+Noise text. (2) Guaranteed  
by design. (3) Guaranteed by wafer-level test to 95% confidence level. (4) High-speed test at TJ = 25°C. (5) See “Closed-Loop Output Impedance vs Frequency”  
typical curve.  
®
2
OPA134/2134/4134  
ABSOLUTE MAXIMUM RATINGS(1)  
ELECTROSTATIC  
DISCHARGE SENSITIVITY  
This integrated circuit can be damaged by ESD. Burr-Brown  
recommends that all integrated circuits be handled with  
appropriate precautions. Failure to observe proper handling  
and installation procedures can cause damage.  
Supply Voltage, V+ to V– .................................................................... 36V  
Input Voltage .................................................... (V–) –0.7V to (V+) +0.7V  
Output Short-Circuit(2) .............................................................. Continuous  
Operating Temperature ................................................. –40°C to +125°C  
Storage Temperature..................................................... –55°C to +125°C  
Junction Temperature ...................................................................... 150°C  
Lead Temperature (soldering, 10s) ................................................. 300°C  
NOTES: (1) Stresses above these ratings may cause permanent damage.  
(2) Short-circuit to ground, one amplifier per package.  
ESD damage can range from subtle performance degrada-  
tion to complete device failure. Precision integrated circuits  
may be more susceptible to damage because very small  
parametric changes could cause the device not to meet its  
published specifications.  
PACKAGE/ORDERING INFORMATION  
PACKAGE  
DRAWING TEMPERATURE  
PRODUCT  
PACKAGE  
NUMBER(1)  
RANGE  
Single  
OPA134PA  
OPA134UA  
8-Pin Plastic DIP  
SO-8 Surface-Mount  
006  
182  
–40°C to +85°C  
–40°C to +85°C  
Dual  
OPA2134PA  
OPA2134UA  
8-Pin Plastic DIP  
SO-8 Surface-Mount  
006  
182  
–40°C to +85°C  
–40°C to +85°C  
Quad  
OPA4134PA  
OPA4134UA  
14-Pin Plastic DIP  
SO-14 Surface-Mount  
010  
235  
–40°C to +85°C  
–40°C to +85°C  
NOTE: (1) For detailed drawing and dimension table, please see end of data  
sheet, or Appendix C of Burr-Brown IC Data Book.  
TYPICAL PERFORMANCE CURVES  
At TA = +25°C, VS = ±15V, RL = 2k, unless otherwise noted.  
SMPTE INTERMODULATION DISTORTION  
vs OUTPUT AMPLITUDE  
TOTAL HARMONIC DISTORTION + NOISE  
vs FREQUENCY  
0.1  
5
G = +1  
f = 1kHz  
RL = 2k  
RL  
2k  
600Ω  
1
0.01  
0.1  
OPA134  
OP176  
0.001  
G = +10  
0.010  
OPA134  
0.0001  
Baseline  
0.001  
G = +1  
VO = 3Vrms  
0.0005  
0.00001  
30m  
10  
30  
0.1  
1
10  
100  
1k  
10k  
100k  
Output Amplitude (Vpp)  
Frequency (Hz)  
The information provided herein is believed to be reliable; however, BURR-BROWN assumes no responsibility for inaccuracies or omissions. BURR-BROWN assumes  
no responsibility for the use of this information, and all use of such information shall be entirely at the user’s own risk. Prices and specifications are subject to change  
without notice. No patent rights or licenses to any of the circuits described herein are implied or granted to any third party. BURR-BROWN does not authorize or warrant  
any BURR-BROWN product for use in life support devices and/or systems.  
®
3
OPA134/2134/4134  
TYPICAL PERFORMANCE CURVES (CONT)  
At TA = +25°C, VS = ±15V, RL = 2k, unless otherwise noted.  
HEADROOM – TOTAL HARMONIC DISTORTION  
+ NOISE vs OUTPUT AMPLITUDE  
TOTAL HARMONIC DISTORTION + NOISE  
vs FREQUENCY  
0.01  
0.001  
1
0.1  
VS = ±18V  
RL = 2kΩ  
f = 1kHz  
THD < 0.01%  
OPA134 – 11.7Vrms  
OP176 – 11.1Vrms  
VO = 10Vrms  
RL = 2kΩ  
VS = ±16  
0.010  
OPA134  
Baseline  
0.0001  
0.00001  
OPA134  
OP176  
0.001  
VS = ±17  
100  
VS = ±18  
0.0005  
20  
1k  
Frequency (Hz)  
10k 20k  
0.1  
10  
20  
1
Output Amplitude (Vrms)  
HARMONIC DISTORTION + NOISE vs FREQUENCY  
VOLTAGE NOISE vs SOURCE RESISTANCE  
0.01  
1k  
100  
10  
2nd Harmonic  
3rd Harmonic  
OP176+  
Resistor  
0.001  
0.0001  
L = 600  
R
OPA134+  
Resistor  
L = 2k  
R
0.00001  
0.000001  
1
Resistor Noise  
VO = 1Vrms  
Vn (total) = (inRS)2 + en2 + 4kTRS  
Only  
0.1  
20  
100  
1k  
10k 20k  
10  
100  
1k  
10k  
100k  
1M  
10M  
Frequency (Hz)  
Source Resistance ()  
INPUT-REFERRED NOISE VOLTAGE  
vs NOISE BANDWIDTH  
INPUT VOLTAGE AND CURRENT NOISE  
SPECTRAL DENSITY vs FREQUENCY  
100  
10  
1
1k  
RS = 20  
100  
Peak-to-Peak  
RMS  
Voltage Noise  
10  
1
Current Noise  
0.1  
1
10  
100  
1k  
10k  
100k  
1
10  
100  
1k  
10k  
100k  
1M  
Noise Bandwidth (Hz)  
Frequency (Hz)  
®
4
OPA134/2134/4134  
TYPICAL PERFORMANCE CURVES (CONT)  
At TA = +25°C, VS = ±15V, RL = 2k, unless otherwise noted.  
OPEN-LOOP GAIN/PHASE vs FREQUENCY  
CLOSED-LOOP GAIN vs FREQUENCY  
160  
140  
120  
100  
80  
0
50  
40  
G = +100  
–45  
–90  
–135  
–180  
30  
φ
20  
G = +10  
G = +1  
60  
10  
40  
0
G
20  
–10  
–20  
0
–20  
0.1  
1
10  
100  
1k  
10k 100k  
1M  
10M  
1k  
10k  
100k  
1M  
10M  
Frequency (Hz)  
Frequency (Hz)  
POWER SUPPLY AND COMMON-MODE REJECTION  
vs FREQUENCY  
CHANNEL SEPARATION vs FREQUENCY  
RL =  
120  
100  
80  
60  
40  
20  
0
160  
–PSR  
140  
120  
100  
80  
RL = 2kΩ  
Dual and quad devices.  
G = 1, all channels.  
Quad measured channel  
A to D or B to C—other  
combinations yield improved  
rejection.  
+PSR  
CMR  
10  
100  
1k  
10k  
100k  
1M  
100  
1k  
10k  
100k  
Frequency (Hz)  
Frequency (Hz)  
MAXIMUM OUTPUT VOLTAGE  
vs FREQUENCY  
CLOSED-LOOP OUTPUT IMPEDANCE vs FREQUENCY  
30  
20  
10  
0
10  
Maximum output voltage  
without slew-rate  
Note: Open-Loop  
Output Impedance  
at f = 10kHz is 10Ω  
VS = ±15V  
induced distortion  
1
0.1  
0.01  
G = +100  
VS = ±5V  
G = +10  
G = +2  
G = +1  
0.001  
0.0001  
VS = ±2.5V  
10k  
100k  
Frequency (Hz)  
1M  
10M  
10  
100  
1k  
10k  
100k  
Frequency (Hz)  
®
5
OPA134/2134/4134  
TYPICAL PERFORMANCE CURVES (CONT)  
At TA = +25°C, VS = ±15V, RL = 2k, unless otherwise noted.  
INPUT BIAS CURRENT  
INPUT BIAS CURRENT vs TEMPERATURE  
vs INPUT COMMON-MODE VOLTAGE  
10  
9
8
7
6
5
4
3
2
1
0
100k  
10k  
1k  
High Speed Test  
Warmed Up  
High Speed Test  
100  
10  
Dual  
1
Single  
0.1  
–75  
–50  
–25  
0
25  
50  
75  
100  
125  
–15  
–10  
–5  
0
5
10  
15  
Ambient Temperature (°C)  
Common-Mode Voltage (V)  
OPEN-LOOP GAIN vs TEMPERATURE  
CMR, PSR vs TEMPERATURE  
150  
140  
130  
120  
110  
100  
120  
110  
100  
90  
RL = 600Ω  
RL = 2kΩ  
PSR  
FPO  
RL = 10kΩ  
CMR  
–75  
–50  
–25  
0
25  
50  
75  
100  
125  
–75  
–50  
–25  
0
25  
50  
75  
100  
125  
Temperature (°C)  
Ambient Temperature (°C)  
QUIESCENT CURRENT AND SHORT-CIRCUIT CURRENT  
vs TEMPERATURE  
OUTPUT VOLTAGE SWING vs OUTPUT CURRENT  
4.3  
4.2  
4.1  
4.0  
3.9  
3.8  
60  
50  
40  
30  
20  
10  
15  
14  
13  
12  
11  
10  
VIN = 15V  
–55°C  
25°C
125°C  
±ISC  
85°C  
–10  
–11  
–12  
–13  
–14  
–15  
85°C  
±IQ  
125°C  
–55°C  
25°C  
VIN = –15V  
10  
–75  
–50  
–25  
0
25  
50  
75  
100  
125  
0
20  
30  
40  
50  
60  
Ambient Temperature (°C)  
Output Current (mA)  
®
6
OPA134/2134/4134  
TYPICAL PERFORMANCE CURVES (CONT)  
At TA = +25°C, VS = ±15V, RL = 2k, unless otherwise noted.  
OFFSET VOLTAGE DRIFT  
OFFSET VOLTAGE PRODUCTION DISTRIBUTION  
PRODUCTION DISTRIBUTION  
18  
16  
14  
12  
10  
8
12  
10  
8
Typical production  
distribution of packaged  
units.  
Typical production  
distribution of packaged  
units.  
6
6
4
4
2
2
0
0
Offset Voltage Drift (µV/°C)  
Offset Voltage (V)  
LARGE-SIGNAL STEP RESPONSE  
G = 1, CL = 100pF  
SMALL-SIGNAL STEP RESPONSE  
G =1, CL = 100pF  
1µs/div  
200ns/div  
SMALL-SIGNAL OVERSHOOT  
vs LOAD CAPACITANCE  
SETTLING TIME vs CLOSED-LOOP GAIN  
100  
10  
1
60  
50  
40  
30  
20  
10  
0
G = +1  
0.01%  
G = –1  
0.1%  
G = ±10  
0.1  
±1  
±10  
±100  
±1000  
100pF  
1nF  
10nF  
Closed-Loop Gain (V/V)  
Load Capacitance  
®
7
OPA134/2134/4134  
APPLICATIONS INFORMATION  
V+  
Trim Range: ±4mV typ  
OPA134 series op amps are unity-gain stable and suitable  
for a wide range of audio and general-purpose applications.  
All circuitry is completely independent in the dual version,  
assuring normal behavior when one amplifier in a package  
is overdriven or short-circuited. Power supply pins should  
be bypassed with 10nF ceramic capacitors or larger to  
minimize power supply noise.  
10nF  
100kΩ  
7
1
2
3
8
6
OPA134  
OPA134 single op amp only.  
Use offset adjust pins only to null  
offset voltage of op amp—see text.  
4
10nF  
OPERATING VOLTAGE  
OPA134 series op amps operate with power supplies from  
±2.5V to ±18V with excellent performance. Although  
specifications are production tested with ±15V supplies,  
most behavior remains unchanged throughout the full  
operating voltage range. Parameters which vary signifi-  
cantly with operating voltage are shown in the typical  
performance curves.  
V–  
FIGURE 1. OPA134 Offset Voltage Trim Circuit.  
In many ways headroom is a subjective measurement. It can  
be thought of as the maximum output amplitude allowed  
while still maintaining a very low level of distortion. In an  
attempt to quantify headroom, we have defined “very low  
distortion” as 0.01%. Headroom is expressed as a ratio  
which compares the maximum allowable output voltage  
level to a standard output level (1mW into 600, or  
0.7746Vrms). Therefore, OPA134 series op amps, which  
have a maximum allowable output voltage level of 11.7Vrms  
(THD+Noise < 0.01%), have a headroom specification of  
23.6dBu. See the typical curve “Headroom - Total Harmonic  
Distortion + Noise vs Output Amplitude.”  
OFFSET VOLTAGE TRIM  
Offset voltage of OPA134 series amplifiers is laser trimmed  
and usually requires no user adjustment. The OPA134  
(single op amp version) provides offset trim connections  
on pins 1 and 8, identical to 5534 amplifiers. Offset  
voltage can be adjusted by connecting a potentiometer as  
shown in Figure 1. This adjustment should be used only to  
null the offset of the op amp, not to adjust system offset or  
offset produced by the signal source. Nulling offset could  
change the offset voltage drift behavior of the op amp.  
While it is not possible to predict the exact change in drift,  
the effect is usually small.  
DISTORTION MEASUREMENTS  
The distortion produced by OPA134 series op amps is below  
the measurement limit of all known commercially available  
equipment. However, a special test circuit can be used to  
extend the measurement capabilities.  
TOTAL HARMONIC DISTORTION  
OPA134 series op amps have excellent distortion character-  
istics. THD+Noise is below 0.0004% throughout the audio  
frequency range, 20Hz to 20kHz, with a 2kload. In  
addition, distortion remains relatively flat through its  
wide output voltage swing range, providing increased head-  
room compared to other audio amplifiers, including the  
OP176/275.  
Op amp distortion can be considered an internal error source  
which can be referred to the input. Figure 2 shows a  
circuit which causes the op amp distortion to be 101 times  
greater than normally produced by the op amp. The addition  
of R3 to the otherwise standard non-inverting amplifier  
R1  
R2  
SIG. DIST.  
R1  
R2  
R3  
10  
11Ω  
GAIN GAIN  
1
101  
1kΩ  
11  
101 1001kΩ  
101 101kΩ  
R3  
OPA134  
VO = 3Vrms  
101  
R2  
R1  
Signal Gain = 1+  
R2  
Distortion Gain = 1+  
R1 II R3  
Generator  
Output  
Analyzer  
Input  
Audio Precision  
System One  
Analyzer(1)  
IBM PC  
or  
Compatible  
RL  
1kΩ  
NOTE: (1) Measurement BW = 80kHz  
FIGURE 2. Distortion Test Circuit.  
®
8
OPA134/2134/4134  
configuration alters the feedback factor or noise gain of the  
circuit. The closed-loop gain is unchanged, but the feedback  
available for error correction is reduced by a factor of 101,  
thus extending the resolution by 101. Note that the input  
signal and load applied to the op amp are the same as with  
conventional feedback without R3. The value of R3 should  
be kept small to minimize its effect on the distortion mea-  
surements.  
NOISE PERFORMANCE  
Circuit noise is determined by the thermal noise of external  
resistors and op amp noise. Op amp noise is described by  
two parameters—noise voltage and noise current. The total  
noise is quantified by the equation:  
Vn(total) = (inRS)2 + en + 4kTRs  
2
With low source impedance, the current noise term is  
insignificant and voltage noise dominates the noise perfor-  
mance. At high source impedance, the current noise term  
becomes the dominant contributor.  
Validity of this technique can be verified by duplicating  
measurements at high gain and/or high frequency where the  
distortion is within the measurement capability of the test  
equipment. Measurements for this data sheet were made  
with an Audio Precision distortion/noise analyzer which  
greatly simplifies such repetitive measurements. The mea-  
surement technique can, however, be performed with manual  
distortion measurement instruments.  
Low noise bipolar op amps such as the OPA27 and OPA37  
provide very low voltage noise at the expense of a higher  
current noise. However, OPA134 series op amps are unique  
in providing very low voltage noise and very low current  
noise. This provides optimum noise performance over a  
wide range of sources, including reactive source imped-  
ances, refer to the typical curve, “Voltage Noise vs Source  
Resistance.” Above 2ksource resistance, the op amp  
contributes little additional noise—the voltage and current  
terms in the total noise equation become insignificant and  
the source resistance term dominates. Below 2k, op amp  
voltage noise dominates over the resistor noise, but com-  
pares favorably with other audio op amps such as OP176.  
SOURCE IMPEDANCE AND DISTORTION  
For lowest distortion with a source or feedback network  
which has an impedance greater than 2k, the impedance  
seen by the positive and negative inputs in noninverting  
applications should be matched. The p-channel JFETs in the  
FET input stage exhibit a varying input capacitance with  
applied common-mode input voltage. In inverting configu-  
rations the input does not vary with input voltage since the  
inverting input is held at virtual ground. However, in  
noninverting applications the inputs do vary, and the gate-  
to-source voltage is not constant. The effect is increased  
distortion due to the varying capacitance for unmatched  
source impedances greater than 2k.  
PHASE REVERSAL PROTECTION  
OPA134 series op amps are free from output phase-reversal  
problems. Many audio op amps, such as OP176, exhibit  
phase-reversal of the output when the input common-mode  
voltage range is exceeded. This can occur in voltage-fol-  
lower circuits, causing serious problems in control loop  
applications. OPA134 series op amps are free from this  
undesirable behavior even with inputs of 10V beyond the  
input common-mode range.  
To maintain low distortion, match unbalanced source im-  
pedance with appropriate values in the feedback network as  
shown in Figure 3. Of course, the unbalanced impedance  
may be from gain-setting resistors in the feedback path. If  
the parallel combination of R1 and R2 is greater than 2k, a  
matching impedance on the noninverting input should be  
used. As always, resistor values should be minimized to  
reduce the effects of thermal noise.  
POWER DISSIPATION  
OPA134 series op amps are capable of driving 600loads  
with power supply voltage up to ±18V. Internal power  
dissipation is increased when operating at high supply  
voltages. Copper leadframe construction used in OPA134  
series op amps improves heat dissipation compared to con-  
ventional materials. Circuit board layout can also help  
minimize junction temperature rise. Wide copper traces help  
dissipate the heat by acting as an additional heat sink.  
Temperature rise can be further minimized by soldering the  
devices to the circuit board rather than using a socket.  
R1  
R2  
VOUT  
OPA134  
VIN  
OUTPUT CURRENT LIMIT  
Output current is limited by internal circuitry to approxi-  
mately ±40mA at 25°C. The limit current decreases with  
increasing temperature as shown in the typical performance  
curve “Short-Circuit Current vs Temperature.”  
If RS > 2kor R1 II R2 > 2kΩ  
RS = R1 II R2  
FIGURE 3. Impedance Matching for Maintaining Low  
Distortion in Non-Inverting Circuits.  
®
9
OPA134/2134/4134  
PACKAGE OPTION ADDENDUM  
www.ti.com  
8-Jan-2007  
PACKAGING INFORMATION  
Orderable Device  
Status (1)  
Package Package  
Pins Package Eco Plan (2) Lead/Ball Finish MSL Peak Temp (3)  
Qty  
Type  
Drawing  
OPA134PA  
ACTIVE  
PDIP  
P
8
50 Green (RoHS & CU NIPDAU N / A for Pkg Type  
no Sb/Br)  
OPA134PA3  
OBSOLETE  
ACTIVE  
PDIP  
PDIP  
P
P
8
8
TBD  
Call TI  
Call TI  
OPA134PAG4  
50 Green (RoHS & CU NIPDAU N / A for Pkg Type  
no Sb/Br)  
OPA134UA  
ACTIVE  
ACTIVE  
ACTIVE  
SOIC  
SOIC  
SOIC  
D
D
D
8
8
8
100 Green (RoHS & CU NIPDAU Level-3-260C-168 HR  
no Sb/Br)  
OPA134UA/2K5  
OPA134UA/2K5E4  
2500  
Pb-Free  
(RoHS)  
CU NIPDAU Level-3-260C-168 HR  
2500  
Pb-Free  
(RoHS)  
CU NIPDAU Level-3-260C-168 HR  
OPA134UA3  
OBSOLETE  
ACTIVE  
PDIP  
SOIC  
P
D
8
8
TBD  
Call TI  
Call TI  
OPA134UAE4  
100 Green (RoHS & CU NIPDAU Level-3-260C-168 HR  
no Sb/Br)  
OPA134UAG4  
OPA2134PA  
ACTIVE  
ACTIVE  
ACTIVE  
ACTIVE  
ACTIVE  
ACTIVE  
ACTIVE  
ACTIVE  
SOIC  
PDIP  
PDIP  
SOIC  
SOIC  
SOIC  
SOIC  
SOIC  
D
P
P
D
D
D
D
D
8
8
8
8
8
8
8
8
100 Green (RoHS & CU NIPDAU Level-3-260C-168 HR  
no Sb/Br)  
50 Green (RoHS & CU NIPDAU N / A for Pkg Type  
no Sb/Br)  
OPA2134PAG4  
OPA2134UA  
50 Green (RoHS & CU NIPDAU N / A for Pkg Type  
no Sb/Br)  
100 Green (RoHS & CU NIPDAU Level-3-260C-168 HR  
no Sb/Br)  
OPA2134UA/2K5  
OPA2134UA/2K5E4  
OPA2134UAE4  
OPA2134UAG4  
2500 Green (RoHS & CU NIPDAU Level-3-260C-168 HR  
no Sb/Br)  
2500  
Pb-Free  
(RoHS)  
CU NIPDAU Level-3-260C-168 HR  
100  
Pb-Free  
(RoHS)  
CU NIPDAU Level-3-260C-168 HR  
100 Green (RoHS & CU NIPDAU Level-3-260C-168 HR  
no Sb/Br)  
OPA4134PA  
OPA4134UA  
OBSOLETE  
ACTIVE  
PDIP  
SOIC  
N
D
14  
14  
TBD  
Call TI  
Call TI  
58  
Pb-Free  
(RoHS)  
CU NIPDAU Level-3-260C-168 HR  
CU NIPDAU Level-3-260C-168 HR  
CU NIPDAU Level-3-260C-168 HR  
CU NIPDAU Level-3-260C-168 HR  
CU NIPDAU Level-3-260C-168 HR  
OPA4134UA/2K5  
OPA4134UA/2K5E4  
OPA4134UAE4  
ACTIVE  
ACTIVE  
ACTIVE  
ACTIVE  
SOIC  
SOIC  
SOIC  
SOIC  
D
D
D
D
14  
14  
14  
8
2500  
2500  
58  
Pb-Free  
(RoHS)  
Pb-Free  
(RoHS)  
Pb-Free  
(RoHS)  
SN412008DRE4  
2500  
Pb-Free  
(RoHS)  
(1) The marketing status values are defined as follows:  
ACTIVE: Product device recommended for new designs.  
LIFEBUY: TI has announced that the device will be discontinued, and a lifetime-buy period is in effect.  
NRND: Not recommended for new designs. Device is in production to support existing customers, but TI does not recommend using this part in  
a new design.  
PREVIEW: Device has been announced but is not in production. Samples may or may not be available.  
OBSOLETE: TI has discontinued the production of the device.  
Addendum-Page 1  
PACKAGE OPTION ADDENDUM  
www.ti.com  
8-Jan-2007  
(2)  
Eco Plan - The planned eco-friendly classification: Pb-Free (RoHS), Pb-Free (RoHS Exempt), or Green (RoHS & no Sb/Br) - please check  
http://www.ti.com/productcontent for the latest availability information and additional product content details.  
TBD: The Pb-Free/Green conversion plan has not been defined.  
Pb-Free (RoHS): TI's terms "Lead-Free" or "Pb-Free" mean semiconductor products that are compatible with the current RoHS requirements  
for all 6 substances, including the requirement that lead not exceed 0.1% by weight in homogeneous materials. Where designed to be soldered  
at high temperatures, TI Pb-Free products are suitable for use in specified lead-free processes.  
Pb-Free (RoHS Exempt): This component has a RoHS exemption for either 1) lead-based flip-chip solder bumps used between the die and  
package, or 2) lead-based die adhesive used between the die and leadframe. The component is otherwise considered Pb-Free (RoHS  
compatible) as defined above.  
Green (RoHS & no Sb/Br): TI defines "Green" to mean Pb-Free (RoHS compatible), and free of Bromine (Br) and Antimony (Sb) based flame  
retardants (Br or Sb do not exceed 0.1% by weight in homogeneous material)  
(3)  
MSL, Peak Temp. -- The Moisture Sensitivity Level rating according to the JEDEC industry standard classifications, and peak solder  
temperature.  
Important Information and Disclaimer:The information provided on this page represents TI's knowledge and belief as of the date that it is  
provided. TI bases its knowledge and belief on information provided by third parties, and makes no representation or warranty as to the  
accuracy of such information. Efforts are underway to better integrate information from third parties. TI has taken and continues to take  
reasonable steps to provide representative and accurate information but may not have conducted destructive testing or chemical analysis on  
incoming materials and chemicals. TI and TI suppliers consider certain information to be proprietary, and thus CAS numbers and other limited  
information may not be available for release.  
In no event shall TI's liability arising out of such information exceed the total purchase price of the TI part(s) at issue in this document sold by TI  
to Customer on an annual basis.  
Addendum-Page 2  
IMPORTANT NOTICE  
Texas Instruments Incorporated and its subsidiaries (TI) reserve the right to make corrections, modifications,  
enhancements, improvements, and other changes to its products and services at any time and to  
discontinue any product or service without notice. Customers should obtain the latest relevant information  
before placing orders and should verify that such information is current and complete. All products are sold  
subject to TI’s terms and conditions of sale supplied at the time of order acknowledgment.  
TI warrants performance of its hardware products to the specifications applicable at the time of sale in  
accordance with TI’s standard warranty. Testing and other quality control techniques are used to the extent  
TI deems necessary to support this warranty. Except where mandated by government requirements, testing  
of all parameters of each product is not necessarily performed.  
TI assumes no liability for applications assistance or customer product design. Customers are responsible  
for their products and applications using TI components. To minimize the risks associated with customer  
products and applications, customers should provide adequate design and operating safeguards.  
TI does not warrant or represent that any license, either express or implied, is granted under any TI patent  
right, copyright, mask work right, or other TI intellectual property right relating to any combination, machine,  
or process in which TI products or services are used. Information published by TI regarding third-party  
products or services does not constitute a license from TI to use such products or services or a warranty or  
endorsement thereof. Use of such information may require a license from a third party under the patents or  
other intellectual property of the third party, or a license from TI under the patents or other intellectual  
property of TI.  
Reproduction of information in TI data books or data sheets is permissible only if reproduction is without  
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Reproduction of this information with alteration is an unfair and deceptive business practice. TI is not  
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Resale of TI products or services with statements different from or beyond the parameters stated by TI for  
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and is an unfair and deceptive business practice. TI is not responsible or liable for any such statements.  
Following are URLs where you can obtain information on other Texas Instruments products and application  
solutions:  
Products  
Amplifiers  
Data Converters  
DSP  
Interface  
Applications  
Audio  
Automotive  
Broadband  
Digital Control  
Military  
amplifier.ti.com  
dataconverter.ti.com  
dsp.ti.com  
interface.ti.com  
logic.ti.com  
www.ti.com/audio  
www.ti.com/automotive  
www.ti.com/broadband  
www.ti.com/digitalcontrol  
www.ti.com/military  
Logic  
Power Mgmt  
Microcontrollers  
Low Power Wireless  
power.ti.com  
microcontroller.ti.com  
www.ti.com/lpw  
Optical Networking  
Security  
Telephony  
Video & Imaging  
Wireless  
www.ti.com/opticalnetwork  
www.ti.com/security  
www.ti.com/telephony  
www.ti.com/video  
www.ti.com/wireless  
Mailing Address:  
Texas Instruments  
Post Office Box 655303 Dallas, Texas 75265  
Copyright © 2007, Texas Instruments Incorporated  
配单直通车
OPA2134UA/2K5产品参数
型号:OPA2134UA/2K5
生命周期:Obsolete
包装说明:GREEN, SOIC-8
Reach Compliance Code:unknown
风险等级:5.61
标称带宽:20 kHz
商用集成电路类型:AUDIO PREAMPLIFIER
JESD-30 代码:R-PDSO-G8
JESD-609代码:e4
长度:4.9 mm
湿度敏感等级:3
信道数量:1
功能数量:2
端子数量:8
最高工作温度:85 °C
最低工作温度:-40 °C
封装主体材料:PLASTIC/EPOXY
封装代码:SOP
封装形状:RECTANGULAR
封装形式:SMALL OUTLINE
峰值回流温度(摄氏度):260
认证状态:Not Qualified
座面最大高度:1.75 mm
最大供电电压 (Vsup):18 V
最小供电电压 (Vsup):2.5 V
表面贴装:YES
温度等级:INDUSTRIAL
端子面层:NICKEL PALLADIUM GOLD
端子形式:GULL WING
端子节距:1.27 mm
端子位置:DUAL
处于峰值回流温度下的最长时间:NOT SPECIFIED
宽度:3.9 mm
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