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产品型号LMX3406LQ的概述

LMX3406LQ芯片概述 LMX3406LQ是一款由德州仪器(Texas Instruments)公司设计和制造的高性能相位锁定环路(PLL)频率合成器。该芯片广泛应用于无线通信、测试设备、卫星通信、雷达系统等领域,可以实现精确的频率产生和稳定性控制。LMX3406LQ的设计基于先进的微电子技术,旨在提供高频率、高精度和优秀的相位噪声性能。 LMX3406LQ在设计上实现了多个用途,尤其是在作为频率合成器和调制解调器时,其低相位噪声和高调谐灵敏度使其成为理想的选择。用户可以通过SPI或I²C接口进行编程,以满足具体的设计需求。这种灵活性使得LMX3406LQ能够适应不同频率范围的应用场景。 芯片的详细参数 LMX3406LQ的主要技术参数包括: - 工作频率范围:从100MHz到10GHz,适合广泛的无线应用。 - 输出功率:通常在+5dBm至+10dBm的范围内,具体值取决于外部负...

产品型号LMX358的Datasheet PDF文件预览

19-2103; Rev 0; 8/01  
Single/Dual/Quad, General-Purpose,  
Low-Voltage, Rail-to-Rail Output Op Amps  
General Description  
Features  
The LMX321/LMX358/LMX324 are single/dual/quad,  
low-cost, low-voltage, pin-to-pin compatible upgrades  
to the LMV321/LMV358/LMV324 family of general pur-  
Upgrade to LMV321/LMV358/LMV324 Family  
Single +2.3V to +7V Supply Voltage Range  
®
Available in Space-Saving Packages  
5-Pin SC70 (LMX321)  
pose op amps. These devices offer Rail-to-Rail out-  
puts and an input common-mode range that extends  
below ground. These op amps draw only 105µA of qui-  
escent current per amplifier, operate from a single  
+2.3V to +7V supply, and drive 2kresistive loads to  
within 40mV of either rail. The LMX321/LMX358/LMX324  
are unity-gain stable with a 1.3MHz gain-bandwidth  
product capable of driving capacitive loads up to  
400pF. The combination of low voltage, low cost, and  
small package size makes these amplifiers ideal for  
portable/battery-powered equipment.  
8-Pin SOT23 (LMX358)  
14-Pin TSSOP (LMX324)  
1.3MHz Gain-Bandwidth Product  
105µA Quiescent Current per Amplifier  
(V  
= +2.7V)  
CC  
No Phase Reversal for Overdriven Inputs  
No Crossover Distortion  
Rail-to-Rail Output Swing  
The LMX321 single op amp is available in ultra-small 5-  
pin SC70 and space-saving 5-pin SOT23 packages.  
The LMX358 dual op amp is available in the tiny 8-pin  
SOT23 package. The LMX324 quad op amp is avail-  
able in 14-pin TSSOP and SO packages.  
Input Common-Mode Voltage Range: V - 0.2V  
EE  
to V  
- 0.8V  
CC  
Drives 2kResistive Loads  
Ordering Information  
Applications  
Cellular Phones  
PART  
TEMP. RANGE  
-40°C to +125°C  
-40°C to +125°C  
-40°C to +125°C  
-40°C to +125°C  
-40°C to +125°C  
-40°C to +125°C  
-40°C to +125°C  
PIN-PACKAGE  
5 SC70-5  
5 SOT23-5  
8 SOT23-8  
8 SO  
LMX321AXK-T  
LMX321AUK-T  
LMX358AKA-T  
LMX358ASA  
LMX358AUA  
LMX324ASD  
LMX324AUD  
Laptops  
Low-Power, Low-Voltage Applications  
Portable/Battery-Powered Equipment  
Cordless Phones  
8 µMAX  
Active Filters  
14 SO  
14 TSSOP  
Selector Guide appears at end of data sheet.  
Pin Configurations  
TOP VIEW  
OUT1  
IN1-  
1
2
3
4
5
6
7
OUT4  
IN4-  
14  
13  
12  
OUT1  
IN1-  
V
CC  
1
2
3
4
8
7
IN1+  
IN4+  
LMX358  
IN+  
V
CC  
1
2
3
5
4
LMX321  
OUT2  
IN2-  
V
CC  
11 V  
EE  
LMX324  
V
EE  
IN1+  
6
5
IN2+  
IN2-  
10 IN3+  
OUT  
IN-  
IN2+  
V
EE  
9
8
IN3-  
SC70-5/SOT23-5  
SOT23-8/SO/µMAX  
OUT3  
OUT2  
TSSOP/SO  
Rail-to-Rail is a registered trademark of Nippon Motorola, Ltd.  
________________________________________________________________ Maxim Integrated Products  
1
For pricing, delivery, and ordering information, please contact Maxim/Dallas Direct! at  
1-888-629-4642, or visit Maxim’s website at www.maxim-ic.com.  
Single/Dual/Quad, General-Purpose,  
Low-Voltage, Rail-to-Rail Output Op Amps  
ABSOLUTE MAXIMUM RATINGS  
Supply Voltage (V  
Differential Input Voltage (V  
to V ) ....................................-0.3V to +8V  
8-Pin SO (derate 5.9mW/°C above +70°C)..................471mW  
8-Pin µMAX (derate 4.5mW/°C above +70°C).............362mW  
14-Pin TSSOP (derate 9.1mW/°C above +70°C) .........727mW  
14-Pin SO (derate 8.3mW/°C above +70°C)................667mW  
Operating Temperature Range .........................-40°C to +125°C  
Junction Temperature......................................................+150°C  
Storage Temperature Range.............................-65°C to +150°C  
Lead Temperature (soldering, 10s) .................................+300°C  
CC  
EE  
- V )........................V to V  
IN+  
IN- EE CC  
OUT_ to V ...............................................-0.3V to (V  
+ 0.3V)  
EE  
CC  
Output Short-Circuit Duration  
OUT_ Shorted to V  
Continuous Power Dissipation (T = +70°C)  
5-Pin SC70-5 (derate 3.1mW/°C above +70°C)...........247mW  
5-Pin SOT23-5 (derate 7.1mW/°C above +70°C) ........571mW  
8-Pin SOT23-8 (derate 7.52mW/°C above +70°C) ......602mW  
or V ..................................Continuous  
CC  
EE  
A
Stresses beyond those listed under “Absolute Maximum Ratings” may cause permanent damage to the device. These are stress ratings only, and functional  
operation of the device at these or any other conditions beyond those indicated in the operational sections of the specifications is not implied. Exposure to  
absolute maximum rating conditions for extended periods may affect device reliability.  
ELECTRICAL CHARACTERISTICS  
(V  
= +2.7V, V = 0, V  
= V /2, V  
= 1V, R > 1M, T = +25°C, unless otherwise noted.)  
CC  
EE  
OUT  
CC  
CM  
L
A
PARAMETER  
SYMBOL  
CONDITIONS  
MIN  
TYP  
MAX  
UNITS  
DC Characteristics  
Input Offset Voltage  
V
1
6
6
mV  
OS  
Input Offset Voltage Average  
Drift  
TCV  
µV/oC  
OS  
Input Bias Current  
Input Offset Current  
I
18  
1
50  
8
nA  
nA  
B
I
OS  
Common-Mode Rejection  
Ratio  
CMRR  
PSRR  
-0.2V < V  
< 1.8V  
72  
92  
96  
dB  
dB  
CM  
Power-Supply Rejection Ratio  
2.3V < V  
< 7V, V  
= 1V  
OUT  
82  
-0.2  
-0.2  
20  
CC  
Limit  
1.8  
1.9  
Input Common-Mode Voltage  
Range  
V
For CMRR > 72dB  
R = 2kto V , 0.3V < V  
V
CM  
Typ  
OUT  
Large-Signal Voltage Gain  
A
< 2.4V  
120  
12  
V/mV  
VOL  
L
EE  
V
V
V
V
- V  
50  
40  
CC  
OL  
CC  
OL  
OH  
R = 10kto 1.35V  
L
10  
Output Voltage Swing  
V
mV  
µA  
OUT  
- V  
40  
110  
60  
OH  
R = 2kto 1.35V  
L
25  
LMX321 (Single)  
LMX358 (Dual)  
LMX324 (Quad)  
105  
210  
420  
150  
300  
600  
Supply Current  
I
CC  
AC Characteristics  
Slew Rate  
SR  
1V step Input  
1
1.3  
64  
V/µs  
MHz  
Gain-Bandwidth Product  
Phase Margin  
GBW  
C = 200pF  
L
degrees  
φ
M
Gain Margin  
GM  
24  
dB  
Input Noise Voltage Density  
Input Current Noise Density  
e
f = 1kHz  
f = 1kHz  
66  
nV/Hz  
pA/Hz  
n
i
n
0.13  
2
_______________________________________________________________________________________  
Single/Dual/Quad, General-Purpose,  
Low-Voltage, Rail-to-Rail Output Op Amps  
ELECTRICAL CHARACTERISTICS  
(V  
= +2.7V, V = 0, V  
= V /2, V  
= 1V, R > 1M, T = -40°C to +125°C, unless otherwise noted.) (Note 1)  
CC  
EE  
OUT  
CC  
CM  
L
A
PARAMETER  
SYMBOL  
CONDITIONS  
MIN  
TYP  
MAX  
UNITS  
DC Characteristics  
Input Offset Voltage  
Input Bias Current  
Input Offset Current  
V
9
mV  
nA  
nA  
OS  
I
70  
15  
B
I
OS  
Common-Mode Rejection  
Ratio  
CMRR  
PSRR  
-0.1 < V  
< 1.7V  
60  
dB  
dB  
CM  
Power-Supply Rejection Ratio  
2.3V < V < 7V, V  
CC  
= 1V  
75  
-0.1  
-0.1  
10  
OUT  
Limit  
Typ  
< 2.4V  
1.7  
1.8  
Input Common-Mode Voltage  
Range  
V
For CMRR > 60dB  
V
CM  
Large-Signal Voltage Gain  
A
R = 2kto V , 0.3V < V  
L
V/mV  
VOL  
EE  
OUT  
V
V
V
V
- V  
130  
50  
CC  
OL  
CC  
OL  
OH  
R = 10kto 1.55V  
L
Output Voltage Swing  
V
mV  
µA  
OUT  
- V  
150  
70  
OH  
R = 2kto 1.35V  
L
LMX321 (Single)  
LMX358 (Dual)  
LMX324 (Quad)  
180  
360  
720  
Supply Current  
I
CC  
ELECTRICAL CHARACTERISTICS  
(V  
= +5V, V = 0, V  
= V /2, V  
= 2V, R > 1M, T = +25°C, unless otherwise noted.)  
CC  
EE  
OUT  
CC  
CM  
L
A
PARAMETER  
SYMBOL  
CONDITIONS  
MIN  
TYP  
MAX  
UNITS  
DC Characteristics  
Input Offset Voltage  
V
1
6
6
mV  
OS  
Input Offset Voltage Average  
Drift  
TCV  
µV/oC  
OS  
Input Bias Current  
Input Offset Current  
I
18  
1
50  
8
nA  
nA  
B
I
OS  
Common-Mode Rejection Ratio  
Power-Supply Rejection Ratio  
CMRR  
PSRR  
-0.2 < V  
< 4.1V  
72  
82  
92  
96  
dB  
dB  
CM  
2.3V < V  
< 7V, V  
= 1V,  
OUT  
CC  
V
= 1V  
CM  
Limit  
Typ  
-0.2  
-0.2  
4.1  
4.2  
Input Common-Mode Voltage  
Range  
V
For CMRR > 72dB  
V
CM  
R = 2kto V  
,
EE  
L
Large-Signal Voltage Gain  
A
40  
200  
V/mV  
VOL  
0.3V < V  
< 4.7V  
OUT  
_______________________________________________________________________________________  
3
Single/Dual/Quad, General-Purpose,  
Low-Voltage, Rail-to-Rail Output Op Amps  
ELECTRICAL CHARACTERISTICS (continued)  
(V  
= +5V, V = 0, V  
= V /2, V  
= 2V, R > 1M, T = +25°C, unless otherwise noted.)  
CM L A  
CC  
EE  
OUT  
CC  
PARAMETER  
SYMBOL  
CONDITIONS  
MIN  
TYP  
20  
MAX  
60  
UNITS  
V
V
V
V
- V  
- V  
CC  
OL  
CC  
OL  
OH  
R = 10kto 2.5V  
L
12  
40  
Output Voltage Swing  
V
mV  
OUT  
65  
130  
80  
OH  
R = 2kto 2.5V  
L
40  
Sourcing, V  
= 0  
5
25  
OUT  
Output Short-Circuit Current  
Supply Current  
I
mA  
µA  
SC  
Sinking, V  
= 5V  
10  
28  
OUT  
LMX321 (Single)  
LMX358 (Dual)  
LMX324 (Quad)  
120  
240  
480  
170  
340  
680  
I
CC  
AC Characteristics  
Slew Rate  
SR  
3V step input  
1
1.3  
65  
V/µs  
MHz  
Gain-Bandwidth Product  
Phase Margin  
GBW  
C = 200pF  
L
φ
M
degrees  
dB  
Gain Margin  
GM  
25  
Input Noise Voltage Density  
Input Noise Current Density  
e
f = 1kHz  
f = 1kHz  
65  
nV/Hz  
pA/Hz  
n
i
n
0.13  
ELECTRICAL CHARACTERISTICS  
(V  
= +5V, V = 0, V  
= V /2, V  
= 2V, R > 1M, T = -40°C to +125°C, unless otherwise noted.) (Note 1)  
CC  
EE  
OUT  
CC  
CM  
L
A
PARAMETER  
SYMBOL  
CONDITIONS  
MIN  
TYP  
MAX  
UNITS  
DC Characteristics  
Input Offset Voltage  
Input Bias Current  
Input Offset Current  
V
9
mV  
nA  
nA  
OS  
I
70  
15  
B
I
OS  
Common-Mode Rejection Ratio  
Power-Supply Rejection Ratio  
CMRR  
PSRR  
-0.1 < V  
< 4.0V  
63  
dB  
dB  
CM  
2.3V < V  
< 7V, V  
= 1V, V = 1V  
CM  
75  
-0.1  
-0.1  
20  
CC  
OUT  
Limit  
Typ  
4.0  
4.1  
Input Common-Mode Voltage  
Range  
V
For CMRR > 63dB  
R = 2kto V , 0.3V < V  
V
CM  
Large-Signal Voltage Gain  
A
< 4.7V  
V/mV  
VOL  
L
EE  
OUT  
V
V
V
V
- V  
170  
70  
CC  
OL  
CC  
OL  
OH  
R = 10kto 2.5V  
L
Output Voltage Swing  
V
mV  
µA  
OUT  
- V  
190  
90  
OH  
R = 2kto 2.5V  
L
LMX321 (Single)  
LMX358 (Dual)  
LMX324 (Quad)  
210  
420  
840  
Supply Current  
I
CC  
Note 1: Specifications are 100% tested at T = +25°C (exceptions noted). All temperature limits are guaranteed by design.  
A
4
_______________________________________________________________________________________  
Single/Dual/Quad, General-Purpose,  
Low-Voltage, Rail-to-Rail Output Op Amps  
Typical Operating Characteristics  
(T = +25°C, V = 0, unless otherwise noted.)  
A
EE  
SUPPLY CURRENT PER AMPLIFIER  
vs. SUPPLY VOLTAGE  
SOURCE CURRENT  
vs. OUTPUT VOLTAGE  
INPUT BIAS CURRENT  
vs. TEMPERATURE  
160  
140  
120  
100  
80  
-10  
-11  
-12  
-13  
-14  
-15  
-16  
-17  
-18  
100  
10  
V
= 2.7V  
CC  
T
= +125°C  
A
T
= +85°C  
A
1
T
= +25°C  
A
60  
V
= +5V, V = V /2  
IN CC  
CC  
40  
0.1  
0.01  
T
= -40°C  
A
20  
-19  
-20  
0
0
1
2
3
4
5
6
7
-40 -25 -10  
5
20 35 50 65 80 95 110 125  
0.01  
0.1  
1
10  
SUPPLY VOLTAGE (V)  
TEMPERATURE (°C)  
OUTPUT VOLTAGE REFERENCED TO V (V)  
CC  
SOURCE CURRENT  
vs. OUTPUT VOLTAGE  
SINK CURRENT  
vs. OUTPUT VOLTAGE  
SINK CURRENT  
vs. OUTPUT VOLTAGE  
100  
10  
100  
10  
100  
10  
V
= 2.7V  
CC  
V
CC  
= 5V  
V
= 5V  
CC  
1
1
1
0.1  
0.01  
0.1  
0.1  
0.01  
0.01  
0.01  
0.1  
1
10  
0.001  
0.01  
0.1  
1
10  
0.001  
0.01  
0.1  
1
10  
OUTPUT VOLTAGE REFERENCED TO V (V)  
CC  
OUTPUT VOLTAGE REFERENCED TO V (V)  
EE  
OUTPUT VOLTAGE REFERENCED TO V (V)  
EE  
OUTPUT VOLTAGE SWING  
vs. SUPPLY VOLTAGE  
OUTPUT VOLTAGE SWING  
vs. SUPPLY VOLTAGE  
INPUT VOLTAGE NOISE  
vs. FREQUENCY  
600  
550  
500  
450  
400  
350  
300  
250  
200  
150  
100  
50  
100  
90  
80  
70  
60  
50  
40  
30  
20  
35  
30  
25  
20  
15  
10  
5
V
= 2.7V TO 5V, V = V /2  
CM CC  
CC  
R = 2kΩ  
R = 10kΩ  
L
L
POSITIVE SWING  
(V - V  
POSITIVE SWING  
)
OH  
(V - V  
CC  
)
CC  
OH  
NEGATIVE SWING (V  
)
OL  
NEGATIVE SWING (V  
)
OL  
0
2
3
4
5
6
7
2
3
4
5
6
7
1
10  
100  
1k  
10k  
100k  
SUPPLY VOLTAGE (V)  
SUPPLY VOLTAGE (V)  
FREQUENCY (Hz)  
_______________________________________________________________________________________  
5
Single/Dual/Quad, General-Purpose,  
Low-Voltage, Rail-to-Rail Output Op Amps  
Typical Operating Characteristics (continued)  
(T = +25°C, V = 0, unless otherwise noted.)  
A
EE  
CROSSTALK REJECTION  
vs. FREQUENCY  
POWER-SUPPLY REJECTION RATIO  
vs. FREQUENCY  
INPUT CURRENT NOISE  
vs. FREQUENCY  
4.0  
3.5  
3.0  
2.5  
2.0  
1.5  
1.0  
0.5  
0
0
-20  
V
= 2.7V TO 5V, V = V /2  
V
= 5V, R = 5kΩ  
CC L  
CC  
CM  
CC  
V
= 2.7V TO 5V  
CC  
-50  
PSRR-  
-70  
-90  
-40  
PSRR+  
-60  
-110  
-80  
-130  
-150  
-100  
-120  
1
10  
100  
1k  
10k  
100k  
100  
1k  
10k  
100k 1M  
10M 100M  
100  
1k  
10k  
FREQUENCY (Hz)  
100k  
1M  
FREQUENCY (Hz)  
FREQUENCY (Hz)  
INPUT OFFSET VOLTAGE  
vs. COMMON-MODE VOLTAGE  
INPUT OFFSET VOLTAGE  
vs. OUTPUT VOLTAGE  
INPUT OFFSET VOLTAGE  
vs. COMMON-MODE VOLTAGE  
0.15  
0.10  
0.05  
0
100  
75  
0.10  
0.05  
0
V
= 2.5V, V = -2.5V  
EE  
V
= 2.5V, V = -2.5V  
CC  
CC  
EE  
V
= 1.35V, V = -1.35V  
EE  
CC  
R = 600Ω  
L
50  
25  
R = 2kΩ  
L
0
-0.05  
-0.10  
-0.15  
-0.20  
-0.05  
-0.10  
-0.15  
-0.20  
R = 10kΩ  
L
-25  
-50  
-75  
-100  
-2.8 -2.3 -1.8 -1.3 -0.8 -0.3 0.2 0.7 1.2 1.7 2.2  
COMMON-MODE VOLTAGE (V)  
-3  
-2  
-1  
0
1
2
3
-1.7  
-1.2  
-0.7  
-0.2  
0.3  
0.8  
OUTPUT VOLTAGE (V)  
COMMON-MODE VOLTAGE (V)  
GAIN AND PHASE vs. FREQUENCY  
AND RESISTIVE LOAD  
GAIN AND PHASE vs. FREQUENCY  
INPUT OFFSET VOLTAGE  
vs. OUTPUT VOLTAGE  
and RESISTIVE LOAD  
LMX321 toc18  
LMX321 toc17  
50  
40  
30  
20  
10  
0
100  
80  
60  
40  
20  
0
50  
40  
30  
20  
10  
0
100  
80  
60  
40  
20  
0
100  
75  
V
= 1.35V, V = -1.35V  
EE  
CC  
R = 600Ω  
L
R = 600Ω  
L
R = 100kΩ  
L
50  
R = 100kΩ  
L
25  
R = 2kΩ  
L
0
R = 600kΩ  
L
R = 600Ω  
L
R = 10kΩ  
L
-25  
-50  
-75  
100  
V
= 1.35V, V = -1.35V  
EE  
CC  
V
= 2.5V, V = -2.5V  
EE  
CC  
-10  
-20  
-20  
-40  
-10  
-20  
-20  
-40  
C = 0, R TO V  
L
L
EE  
OUT  
C = 0, R TO V  
L
L
EE  
OUT  
A
= 60dB, V  
= 0  
VCL  
R = 100kΩ  
R = 100kΩ  
A
= 60dB, V  
= 0  
L
L
VCL  
10k  
100k  
1M  
10M  
-1.5  
-1.0  
-0.5  
0
0.5  
1.0  
1.5  
10k  
100k  
1M  
10M  
FREQUENCY (Hz)  
OUTPUT VOLTAGE (V)  
FREQUENCY (Hz)  
6
_______________________________________________________________________________________  
Single/Dual/Quad, General-Purpose,  
Low-Voltage, Rail-to-Rail Output Op Amps  
Typical Operating Characteristics (continued)  
(T = +25°C, V = 0, unless otherwise noted.)  
A
EE  
GAIN AND PHASE vs. FREQUENCY  
AND CAPACTIVE LOAD  
GAIN AND PHASE vs. FREQUENCY  
AND CAPACITIVE LOAD  
LMX321 toc19  
LMX321 toc20  
50  
40  
30  
20  
10  
0
100  
80  
60  
40  
20  
0
50  
40  
30  
20  
10  
0
100  
80  
60  
40  
20  
0
C = 0  
L
C = 100pF  
L
C = 500pF  
L
C = 0  
L
C = 1nF  
L
C = 500pF  
L
C = 1nF  
L
C = 1nF  
L
C = 500pF  
L
C = 100pF  
L
V
= 2.5V, V = -2.5V  
EE  
CC  
V
= 2.5V, V = -2.5V  
EE  
CC  
-10  
-20  
-20  
-40  
-10  
-20  
-20  
-40  
R = 600TO V  
L
EE  
OUT  
R = 100kTO V  
L
EE  
OUT  
A
= 60dB, V  
= 0  
VCL  
A
= 60dB, V  
= 0  
C = 0  
L
VCL  
10k  
100k  
1M  
10M  
10k  
100k  
1M  
10M  
FREQUENCY (Hz)  
FREQUENCY (Hz)  
GAIN AND PHASE vs. FREQUENCY  
AND TEMPERATURE  
SLEW RATE vs.  
SUPPLY VOLTAGE  
CAPACITIVE-LOAD STABILITY  
LMX321 toc21  
50  
40  
30  
20  
10  
0
100  
80  
60  
40  
20  
0
4000  
1.10  
T
= -40°C  
R = 10k  
IN  
A
L
V
= 1V STEP, A = +1V/V  
3500  
3000  
2500  
2000  
1500  
1000  
500  
VCL  
1.08  
1.06  
1.04  
1.02  
1.00  
0.98  
0.96  
T
= +25°C  
A
UNSTABLE  
T
= -40°C  
A
T
= +25°C  
A
RISING EDGE  
T
= +85°C  
A
T
= +85°C  
A
T
= -25°C  
A
T
= +125°C  
A
FALLING EDGE  
STABLE  
V
= 2.5V, V = -2.5V  
EE  
CC  
-10  
-20  
-20  
-40  
R = 2kTO V  
L
EE  
A
= 60dB, V  
= 0  
VCL  
OUT  
0
2.0 2.5 3.0 3.5 4.0 4.5 5.0 5.5  
SUPPLY VOLTAGE  
10k  
100k  
1M  
10M  
100  
1k  
10k  
100k  
FREQUENCY (Hz)  
LOAD RESISTANCE ()  
NONINVERTING  
SMALL-SIGNAL RESPONSE  
TOTAL HARMONIC DISTORTION  
PLUS NOISE vs. FREQUENCY  
NONINVERTING  
LARGE-SIGNAL RESPONSE  
LMX321 toc25  
LMX321 toc24  
10  
1
R = 2kΩ  
CC  
L
R = 2kΩ  
CC  
L
V
= 5V  
V
= 5V  
V
IN  
V
= 2.7V, A = +10, V  
= 1Vp-p  
CC  
V
OUT  
V
100mV/div  
IN  
1V/div  
V
= 5V, A = +10, V  
= 2.5Vp-p  
CC  
V
OUT  
0.1  
V
OUT  
V
OUT  
1V/div  
100mV/div  
V
= 2.7V, A = +1, V  
= 1Vp-p  
CC  
V
OUT  
0.01  
0.001  
V
= 5V, A = +1, V  
= 2.5Vp-p  
OUT  
CC  
V
1µs/div  
10  
100  
1k  
FREQUENCY (Hz)  
10k  
100k  
1µs/div  
_______________________________________________________________________________________  
7
Single/Dual/Quad, General-Purpose,  
Low-Voltage, Rail-to-Rail Output Op Amps  
Typical Operating Characteristics (continued)  
(T = +25°C, V = 0, unless otherwise noted.)  
A
EE  
SHORT-CIRCUIT CURRENT  
vs. TEMPERATURE (SINKING)  
SHORT-CIRCUIT CURRENT  
vs. TEMPERATURE (SOURCING)  
OUTPUT IMPEDANCE  
vs. FREQUENCY  
40  
35  
30  
25  
20  
40  
35  
30  
25  
20  
1000  
100  
10  
V
A
= 2.7V TO 5V  
VCL  
CC  
V
= 5V  
= +1V/V  
CC  
V
= 5V  
CC  
V
= 2.7V  
CC  
V
= 2.7V  
CC  
1
15  
10  
15  
10  
0.01  
0.001  
5
0
5
0
-40 -25 -10  
5
20 35 50 65 80 95 110 125  
-40 -25 -10  
5
20 35 50 65 80 95 110 125  
100  
1k  
10k  
100k  
1M  
10M 100M  
TEMPERATURE (°C)  
TEMPERATURE (°C)  
FREQUENCY (Hz)  
Pin Description  
PIN  
LMX358  
NAME  
FUNCTION  
LMX321  
LMX324  
1
IN+  
Noninverting Amplifier Input  
Negative Supply. Connect to ground for single-supply  
operation.  
2
4
11  
V
EE  
3
8
4
IN-  
Inverting Amplifier Input  
Output  
4
OUT  
5
V
Positive Supply  
CC  
1
1
OUT1  
IN1-  
Output for Amplifier 1  
2
2
Inverting Input for Amplifier 1  
Noninverting Input for Amplifier 1  
Output for Amplifier 2  
3
3
IN1+  
OUT2  
IN2-  
7
7
6
6
Inverting Input for Amplifier 2  
Noninverting Input for Amplifier 2  
Output for Amplifier 3  
5
5
IN2+  
OUT3  
IN3-  
8
9
Inverting Input for Amplifier 3  
Noninverting Input for Amplifier 3  
Output for Amplifier 4  
10  
14  
13  
12  
IN3+  
OUT4  
IN4-  
Inverting Input for Amplifier 4  
Noninverting Input for Amplifier 4  
IN4+  
8
_______________________________________________________________________________________  
Single/Dual/Quad, General-Purpose,  
Low-Voltage, Rail-to-Rail Output Op Amps  
3.5k  
R
L
C
L
LMX321  
LMX358  
LMX324  
3.5kΩ  
Figure 3. Capacitive-Load-Driving Circuit  
Figure 1. Input Protection Circuit  
V
= 5V, V = 0, C = 2.2nF  
EE L  
CC  
V
IN  
2V/div  
R = 2k  
L
2.6V  
2.4V  
V
IN  
100mV/div  
2.5V  
V
OUT  
1V/div  
2.6V  
2.4V  
V
OUT  
100mV/div  
-2.5V  
4µs/div  
200µs/div  
= 2.5V, V = -2.5V, A = 2V/V  
V
CC  
EE  
VCL  
Figure 4. Output With Excessive Capacitive Load  
Figure 2. Rail-to-Rail Output Swing  
shows the output voltage swing of the LMX321 config-  
ured with A = +2V/V.  
Detailed Description  
VCL  
Input Protection Circuit  
The LMX321/LMX358/LMX324s inputs are protected  
from large differential input voltages by internal 3.5kΩ  
series resistors and back-to-back triple diode stacks  
across the inputs (Figure 1). For differential input volt-  
ages (much less than 1.8V), input resistance is typically  
3M. For differential input voltages greater than 1.8V,  
input resistance is around 7k, and the input bias cur-  
rent can be approximated by the following equation:  
Driving Capacitive Loads  
Driving a capacitive load can cause instability in many  
op amps, especially those with low quiescent current.  
The LMX321/LMX358/LMX324 are unity-gain stable for  
a range of capacitive loads to above 400pF. Figure 4  
shows the response of the LMX321 with an excessive  
capacitive load. Adding a series resistor between the  
output and the load capacitor (Figure 5) improves the  
circuits response by isolating the load capacitance  
from the op amps output.  
I
= (V  
- 1.8V) / 7kΩ  
BIAS  
DIFF  
In the region where the differential input voltage  
approaches 1.8V, input resistance decreases exponen-  
tially from 3Mto 7kas the diode block begins con-  
ducting. Inversely, the bias current increases with the  
same curve.  
Applications Information  
Power-Up  
The LMX321/LMX358/LMX324 outputs typically settle  
within 10µs after power-up. Figure 6 shows the output  
voltage on power-up and power-down.  
Rail-to-Rail Output Stage  
The LMX321/LMX358/LMX324 drive 2kloads and still  
typically swing within 40mV of the supply rails. Figure 2  
_______________________________________________________________________________________  
9
Single/Dual/Quad, General-Purpose,  
Low-Voltage, Rail-to-Rail Output Op Amps  
Power Supplies and Layout  
The LMX321/LMX358/LMX324 operate from a single  
+2.3V to +7V power supply. Bypass the power supply  
with a 0.1µF capacitor to ground as close to V  
possible.  
as  
CC  
R
ISO  
C
L
Good layout techniques optimize performance by mini-  
mizing the amount of stray capacitance at the op amps  
inputs and outputs. Place external components close to  
the op amp to minimize trace lengths and stray capaci-  
tance.  
LMX321  
LMX358  
LMX324  
Figure 5. Capacitive-Load-Driving Circuit With Isolation  
Resistor  
Chip Information  
LMX321 TRANSISTOR COUNT: 88  
LMX358 TRANSISTOR COUNT: 175  
LMX324 TRANSISTOR COUNT: 349  
PROCESS: Bipolar  
V
CC  
2V/div  
V
OUT  
1V/div  
4µs/div  
Figure 6. Power-Up/Power-Down Waveform  
Selector Guide  
AMPLIFIERS PER  
PART  
TOP MARK  
PACKAGE  
LMX321AXK-T  
LMX321AUK-T  
LMX358AKA-T  
LMX358ASA  
LMX358AUA  
LMX324ASD  
LMX324AUD  
1
1
2
2
2
4
4
ACP  
ADSQ  
AAIR  
10 ______________________________________________________________________________________  
Single/Dual/Quad, General-Purpose,  
Low-Voltage, Rail-to-Rail Output Op Amps  
Package Information  
______________________________________________________________________________________ 11  
Single/Dual/Quad, General-Purpose,  
Low-Voltage, Rail-to-Rail Output Op Amps  
Package Information (continued)  
12 ______________________________________________________________________________________  
Single/Dual/Quad, General Purpose,  
Low-Voltage, Rail-to-Rail Output Op Amps  
Package Information (continued)  
Maxim cannot assume responsibility for use of any circuitry other than circuitry entirely embodied in a Maxim product. No circuit patent licenses are  
implied. Maxim reserves the right to change the circuitry and specifications without notice at any time.  
Maxim Integrated Products, 120 San Gabriel Drive, Sunnyvale, CA 94086 408-737-7600 ____________________ 13  
© 2001 Maxim Integrated Products  
Printed USA  
is a registered trademark of Maxim Integrated Products.  
配单直通车
LMX358AKA+产品参数
型号:LMX358AKA+
是否无铅: 不含铅
是否Rohs认证: 符合
生命周期:Obsolete
零件包装代码:TSSOP
包装说明:TSSOP, TSSOP8,.1
针数:8
Reach Compliance Code:compliant
ECCN代码:EAR99
HTS代码:8542.33.00.01
Factory Lead Time:1 week
风险等级:5.66
放大器类型:OPERATIONAL AMPLIFIER
架构:VOLTAGE-FEEDBACK
25C 时的最大偏置电流 (IIB):0.05 µA
频率补偿:YES
最大输入失调电压:9000 µV
JESD-30 代码:R-PDSO-G8
JESD-609代码:e3
低-失调:NO
湿度敏感等级:1
功能数量:2
端子数量:8
最高工作温度:125 °C
最低工作温度:-40 °C
封装主体材料:PLASTIC/EPOXY
封装代码:TSSOP
封装等效代码:TSSOP8,.1
封装形状:RECTANGULAR
封装形式:SMALL OUTLINE, THIN PROFILE, SHRINK PITCH
峰值回流温度(摄氏度):255
电源:2.3/7 V
认证状态:Not Qualified
标称压摆率:1 V/us
子类别:Operational Amplifier
最大压摆率:0.42 mA
供电电压上限:8 V
表面贴装:YES
技术:BIPOLAR
温度等级:AUTOMOTIVE
端子面层:Matte Tin (Sn)
端子形式:GULL WING
端子节距:0.635 mm
端子位置:DUAL
处于峰值回流温度下的最长时间:NOT SPECIFIED
Base Number Matches:1
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