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  • CA3094E图
  • 深圳市芳益电子科技有限公司

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  • CA3094E
  • 数量30000 
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  • 深圳市得捷芯城科技有限公司

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  • CA3094E
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  • 深圳市浩兴林电子有限公司

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  • CA3094E
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  • CA3094E
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  • 深圳市英科美电子有限公司

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  • CA3094E
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  • CA3094E
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  • 北京中其伟业科技有限公司

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  • CA3094E.
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  • CA3094E图
  • 北京齐天芯科技有限公司

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  • CA3094E
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  • 深圳市晶美隆科技有限公司

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  • CA3094E
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  • 北京元坤伟业科技有限公司

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  • CA3094E
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  • 深圳市赛尔通科技有限公司

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  • CA3094E
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  • 北京顺科电子科技有限公司

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  • CA3094E
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  • CA3094E
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     该会员已使用本站14年以上
  • CA3094E
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  • 深圳市亿智腾科技有限公司

     该会员已使用本站8年以上
  • CA3094E
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  • CA3094E图
  • 上海振基实业有限公司

     该会员已使用本站13年以上
  • CA3094E
  • 数量1636 
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  • 北京罗彻斯特电子科技有限公司

     该会员已使用本站18年以上
  • CA3094E
  • 数量220 
  • 厂家HARRIS /intersil 
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  • 深圳德田科技有限公司

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     该会员已使用本站13年以上
  • CA3094E
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  • 深圳市一线半导体有限公司

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  • 深圳市一线半导体有限公司

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  • CA3094EX
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  • 深圳市一线半导体有限公司

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  • 深圳市科雨电子有限公司

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产品型号CA3094E的概述

CA3094E 芯片概述 CA3094E是一款高性能的集成电路,属于美国国家半导体(National Semiconductor)公司所生产的半导体系列。此器件主要被设计为一个高增益的运算放大器,广泛应用于电子设备中,特别是在音频放大、信号处理等场合。CA3094E采用了先进的制造工艺,具有低噪声和高带宽的特性,使其在高频应用中同样表现良好。 CA3094E的工作电源范围广,可以在双电源供电下正常工作,其输出极限电流也足够满足大部分应用要求。此外,芯片内部的互补对称结构使其具有良好的线性度和较高的增益稳定性,使得其在从精密仪器到消费类电子产品的多种领域中都是一个受欢迎的选择。 CA3094E的详细参数 CA3094E的关键参数如下: - 增益带宽积(GBW):通常为2MHz,适合大多数应用; - 输入失调电压:最大为10mV,反映了其精准的信号处理能力; - 输入阻抗:高达10MΩ,使...

产品型号CA3094E的Datasheet PDF文件预览

CA3094, CA3094A, CA3094B  
Data Sheet  
April 1999  
File Number 598.7  
30MHz, High Output Current Operational  
Transconductance Amplifier (OTA)  
Features  
• CA3094E, M for Operation Up to 24V  
• CA3094AT, E, M for Operation Up to 36V  
• CA3094BT, M for Operation Up to 44V  
• Designed for Single or Dual Power Supply  
The CA3094 is a differential input power control  
switch/amplifier with auxiliary circuit features for ease of  
programmability. For example, an error or unbalance signal  
can be amplified by the CA3094 to provide an on-off signal or  
proportional control output signal up to 100mA. This signal is  
sufficient to directly drive high current thyristors, relays, DC  
loads, or power transistors. The CA3094 has the generic  
characteristics of the CA3080 operational amplifier directly  
coupled to an integral Darlington power transistor capable of  
sinking or driving currents up to 100mA.  
• Programmable: Strobing, Gating, Squelching, AGC  
Capabilities  
• Can Deliver 3W (Average) or 10W (Peak) to External Load  
(in Switching Mode)  
• High Power, Single Ended Class A Amplifier will Deliver  
Power Output of 0.6W (1.6W Device Dissipation)  
The gain of the differential input stage is proportional to the  
amplifier bias current (I  
variation of the integrated circuit sensitivity with either digital  
and/or analog programming signals. For example, at an I  
), permitting programmable  
Total Harmonic Distortion (THD) at 0.6W in Class A  
Operation 1.4% (Typ)  
ABC  
ABC  
Applications  
of 100µA, a 1mV change at the input will change the output  
from 0 to 100µA (typical).  
• Error Signal Detector: Temperature Control with  
Thermistor Sensor; Speed Control for Shunt Wound DC  
Motor  
The CA3094 is intended for operation up to 24V and is  
especially useful for timing circuits, in automotive equipment,  
and in other applications where operation up to 24V is a  
primary design requirement (see Figures 28, 29 and 30 in  
Typical Applications text). The CA3094A and CA3094B are  
like the CA3094 but are intended for operation up to 36V and  
44V, respectively (single or dual supply).  
• Over Current, Over Voltage, Over Temperature Protectors  
• Dual Tracking Power Supply with CA3085  
• Wide Frequency Range Oscillator  
• Analog Timer  
• Level Detector  
Ordering Information  
• Alarm Systems  
PART NUMBER  
(BRAND)  
TEMP.  
RANGE ( C)  
PKG.  
NO.  
o
PACKAGE  
• Voltage Follower  
CA3094AT, BT  
CA3094E, AE  
CA3094M, BM  
-55 to 125 8 Pin Metal Can  
-55 to 125 8 Ld PDIP  
-55 to 125 8 Ld SOIC  
T8.C  
• Ramp Voltage Generator  
E8.3  
• High Power Comparator  
M8.15  
• Ground Fault Interrupter (GFI) Circuits  
Pinouts  
CA3094 (PDIP, SOIC)  
CA3094 (METAL CAN)  
TOP VIEW  
TOP VIEW  
SINK OUTPUT  
(COLLECTOR)  
EXT. FREQUENCY  
COMPENSATION  
OR INHIBIT INPUT  
SINK OUTPUT  
1
2
3
4
8
7
6
5
(COLLECTOR)  
TAB  
EXT. FREQUENCY  
COMPENSATION OR  
INHIBIT INPUT  
8
V+  
1
7
V+  
DIFFERENTIAL  
VOLTAGE INPUTS  
DRIVE OUTPUT  
(EMITTER)  
DRIVE OUTPUT  
(EMITTER)  
2
6
GND (V- IN DUAL  
SUPPLY OPERATION)  
I
CURRENT  
ABC  
DIFFERENTIAL  
PROGRAMMABLE  
INPUT  
(STROBE OR AGC)  
VOLTAGE INPUTS  
5
3
I
CURRENT  
ABC  
4
GND (V- IN DUAL  
SUPPLY OPERATION)  
PROGRAMMABLE INPUT  
(STROBE OR AGC)  
NOTE: Pin 4 is connected to case.  
CAUTION: These devices are sensitive to electrostatic discharge; follow proper IC Handling Procedures.  
1-888-INTERSIL or 321-724-7143 | Copyright © Intersil Corporation 1999  
3-12  
CA3094, CA3094A, CA3094B  
Absolute Maximum Ratings  
Thermal Information  
o
o
Supply Voltage (Between V+ and V- Terminals)  
Thermal Resistance (Typical, Note 2)  
PDIP Package . . . . . . . . . . . . . . . . . . .  
SOIC Package . . . . . . . . . . . . . . . . . . .  
Metal Can Package . . . . . . . . . . . . . . .  
θ
( C/W)  
θ
( C/W)  
JA  
JC  
CA3094 . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 24V  
CA3094A . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 36V  
CA3094B . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 44V  
Differential Input Voltage (Terminals 2 and 3, Note 1) . . . . . . . . . 5V  
DC Input Voltage . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . V+ to V-  
Input Current (Terminals 2 and 3) . . . . . . . . . . . . . . . . . . . . . . ±1mA  
Amplifier Bias Current (Terminal 5) . . . . . . . . . . . . . . . . . . . . . . 2mA  
Average Output Current. . . . . . . . . . . . . . . . . . . . . . . . . . . . . 100mA  
Peak Output Current . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 300mA  
130  
170  
175  
N/A  
N/A  
100  
o
Maximum Junction Temperature (Metal Can Package) . . . . . . .175 C  
Maximum Junction Temperature (Plastic Package) . . . . . . . .150 C  
Maximum Storage Temperature Range. . . . . . . . . . -65 C to 150 C  
Maximum Lead Temperature (Soldering 10s) . . . . . . . . . . . . 300 C  
o
o
o
o
(SOIC - Lead Tips Only)  
Operating Conditions  
o
o
Temperature Range . . . . . . . . . . . . . . . . . . . . . . . . . -55 C to 125 C  
CAUTION: Stresses above those listed in “Absolute Maximum Ratings” may cause permanent damage to the device. This is a stress only rating and operation of the  
device at these or any other conditions above those indicated in the operational sections of this specification is not implied.  
NOTES:  
1. Exceeding this voltage rating will not damage the device unless the peak input signal current (1mA) is also exceeded.  
2. θ is measured with the component mounted on an evaluation PC board in free air.  
JA  
o
Electrical Specifications T = 25 C for Equipment Design. Single Supply V+ = 30V, Dual Supply V  
= ±15V, I  
= 100µA Unless  
A
SUPPLY  
ABC  
Otherwise Specified  
PARAMETER  
INPUT PARAMETERS  
SYMBOL  
TEST CONDITIONS  
MIN  
TYP  
MAX  
UNITS  
o
Input Offset Voltage  
V
T = 25 C  
A
-
-
-
0.4  
-
5.0  
7.0  
8.0  
mV  
mV  
mV  
IO  
o
o
T = 0 C to 70 C  
A
Input Offset Voltage Change  
Input Offset Current  
|V  
|
Change in V between I  
IO ABC  
= 100µA  
1
IO  
and I  
= 5µA  
ABC  
o
I
T = 25 C  
A
-
-
0.02  
-
0.2  
0.3  
µA  
µA  
µA  
µA  
mW  
dB  
V
IO  
o
o
T = 0 C to 70 C  
A
o
Input Bias Current  
I
T = 25 C  
A
-
0.2  
-
0.50  
I
o
o
T = 0 C to 70 C  
-
0.70  
A
Device Dissipation  
P
I
= 0mA  
OUT  
8
10  
12  
-
D
Common Mode Rejection Ratio  
Common Mode Input Voltage Range  
CMRR  
70  
27  
1.0  
12  
-14  
-
110  
28.8  
0.5  
13.8  
-14.5  
30  
V
V+ = 30V (High)  
V- = 0V (Low)  
V+ = 15V  
-
ICR  
-
V
-
V
V- = -15V  
-
V
Unity Gain Bandwidth  
f
I
I
= 7.5mA, V  
= 7.5mA, V  
= 15V, I  
= 500µA  
= 500µA  
-
MHz  
kHz  
%
T
C
C
CE  
ABC  
ABC  
Open Loop Bandwidth at -3dB Point  
BW  
OL  
= 15V, I  
-
4
-
CE  
Total Harmonic Distortion  
(Class A Operation)  
THD  
P
P
= 220mW  
= 600mW  
-
0.4  
1.4  
0.68  
-
D
D
-
-
%
Amplifier Bias Voltage  
V
-
-
V
ABC  
(Terminal 5 to Terminal 4)  
o
Input Offset Voltage Temperature  
Coefficient  
V /T  
IO  
-
4
-
µV/ C  
Power Supply Rejection  
1/F Noise Voltage  
V /V  
-
15  
18  
150  
µV/V  
IO  
E
N
f = 10Hz, I  
f = 10Hz, I  
= 50µA  
-
-
-
-
-
nV/ Hz  
ABC  
ABC  
1/F Noise Current  
I
= 50µA  
-
0.50  
-
1.8  
1.0  
2.6  
N
pA/ Hz  
Differential Input Resistance  
Differential Input Capacitance  
R
C
I
= 20µA  
MΩ  
I
I
ABC  
f = 1MHz, V+ = 30V  
pF  
3-13  
CA3094, CA3094A, CA3094B  
o
Electrical Specifications T = 25 C for Equipment Design. Single Supply V+ = 30V, Dual Supply V  
= ±15V, I  
= 100µA Unless  
A
SUPPLY  
ABC  
Otherwise Specified (Continued)  
PARAMETER  
SYMBOL  
TEST CONDITIONS  
MIN  
TYP  
MAX  
UNITS  
OUTPUT PARAMETERS (Differential Input Voltage = 1V)  
Peak Output Voltage With Q “ON”  
13  
V
+
V+ = 30V, R = 2kto GND  
26  
27  
-
V
V
V
V
V
V
V
V
V
OM  
L
(Terminal 6)  
With Q “OFF”  
13  
V
-
-
0.01  
0.05  
OM  
Peak Output Voltage Positive  
(Terminal 6)  
V
+
V+ = 15V, V- = -15V, R = 2kto -15V  
11  
12  
-
OM  
L
Negative  
V
-
-
-14.99  
29.99  
0.040  
14.99  
-14.96  
0.17  
-14.95  
OM  
Peak Output Voltage With Q “OFF”  
13  
V
+
V+ = 30V, R = 2kto 30V  
29.95  
-
OM  
L
(Terminal 8)  
With Q “ON”  
13  
V
-
-
-
OM  
Peak Output Voltage Positive  
(Terminal 8)  
V
+
V+ = 15V, V- = -15V,  
14.95  
-
-
OM  
R
= 2kto 15V  
L
Negative  
V
-
-
-
OM  
Collector-to-Emitter Saturation Voltage  
(Terminal 8)  
V
V+ = 30V, I = 50mA, Terminal 6  
C
Grounded  
0.80  
CE(  
)
SAT  
Output Leakage Current  
(Terminal 6 to Terminal 4)  
V+ = 30V  
-
2
10  
-
µA  
Composite Small Signal Current Transfer  
h
V+ = 30V, V  
= 5V, I = 50mA  
16,000 100,000  
CE  
C
FE  
Ratio (Beta) (Q and Q  
12  
)
13  
Output Capacitance  
Terminal 6  
Terminal 8  
C
f = 1MHz, All Remaining Terminals Tied  
to Terminal 4  
-
-
5.5  
17  
-
-
pF  
pF  
O
TRANSFER PARAMETERS  
Voltage Gain  
A
V+ = 30V, I  
= 100µA, V  
OUT  
= 20V,  
20,000 100,000  
-
-
V/V  
dB  
ABC  
R
= 2kΩ  
L
86  
100  
Forward Transconductance to  
Terminal 1  
g
1650  
2200  
2750  
µS  
M
Slew Rate (Open  
Loop)  
Positive Slope  
Negative Slope  
SR  
I
I
= 500µA, R = 2kΩ  
-
-
-
500  
50  
-
-
-
V/µs  
V/µs  
V/µs  
ABC  
ABC  
L
Unity Gain (Non-Inverting Compensated)  
= 500µA, R = 2kΩ  
0.70  
L
Schematic Diagram  
EXTERNAL FREQUENCY  
COMPENSATION OR INHIBIT INPUT  
1
7
V+  
INPUTS  
NON-  
OUTPUT OUTPUT  
D
D
3
5
MODE  
“Source”  
“Sink”  
TERM  
INV  
INV  
Q
4
Q
7
R
1
6
8
2
3
Q
6
D
4
2k  
D
2
Q
3
2
8
Q
5
Q
9
8
DIFFERENTIAL  
VOLTAGE  
INPUT  
2
Q
Q
2
1
“SINK”  
OUTPUT  
Q
12  
DIFFERENTIAL  
VOLTAGE  
INPUT  
Q
3
Q
13  
10  
D
R
47kΩ  
2
AMPLIFIER  
BIAS INPUT  
Q
11  
5
Q
3
I
ABC  
6
6
D
1
“SOURCE”  
(DRIVE)  
OUTPUT  
4
V-  
3-14  
CA3094, CA3094A, CA3094B  
1/F Noise Measurement Circuit  
Operating Considerations  
When using the CA3094, A, or B audio amplifier circuits, it is  
frequently necessary to consider the noise performance of the  
device. Noise measurements are made in the circuit shown in  
Figure 20. This circuit is a 30dB, non-inverting amplifier with  
emitter follower output and phase compensation from  
The “Sink” Output (Terminal 8) and the “Drive” Output  
(Terminal 6) of the CA3094 are not inherently current (or  
power) limited. Therefore, if a load is connected between  
Terminal 6 and Terminal 4 (V- or Ground), it is important to  
connect a current limiting resistor between Terminal 8 and  
Terminal 7 (V+) to protect transistor Q13 under shorted load  
conditions. Similarly, if a load is connected between Terminal  
8 and Terminal 7 (V+), the current limiting resistor should be  
connected between Terminal 6 and Terminal 4 or ground. In  
circuit applications where the emitter of the output transistor  
is not connected to the most negative potential in the  
system, it is recommended that a 100current limiting  
resistor be inserted between Terminal 7 and the V+ supply.  
Terminal 2 to ground. Source resistors (R ) are set to 0or  
S
1Mfor E noise and I noise measurements, respectively.  
These measurements are made at frequencies of 10Hz,  
100Hz and 1kHz with a 1Hz measurement bandwidth. Typical  
values for 1/f noise at 10Hz and 50µA I  
ABC  
are:  
E
= 18nV Hz and  
I
= 1.8pA Hz .  
N
N
Test Circuits  
NOTES:  
3. Input Offset Voltage: V  
30V  
E
OUT  
= ----------------- .  
IO  
100  
4. For Power Supply Rejection Test: (1) vary V+ by -2V; then (2)  
300kΩ  
7
vary V- by +2V.  
9.9kΩ  
5
5. Equations:  
E OUT E OUT  
2
0
1
(1)  
V+ Rejection = ------------------------------------------------  
CA3094  
6
200  
3
1
E OUT E OUT  
0
2
10kΩ  
(2)  
V- Rejection = ------------------------------------------------  
8
100Ω  
200  
1kΩ  
E
OUT  
4
100Ω  
1
100pF  
---------------------------------------------  
V
6. Power Supply Rejection: (dB) = 20log  
Maximum Reading of Step 1 or Step 2  
.
REJECTION†  
30V  
15V  
FIGURE 1. INPUT OFFSET VOLTAGE AND POWER SUPPLY REJECTION TEST CIRCUIT  
30V  
30V  
R
ABC  
7
5
1MΩ  
8
2
3
300kΩ  
7
CA3094  
6
5
2
3
-
1
150kΩ  
CA3094A  
+
E
OUT  
220Ω  
4
15V  
1MΩ  
0.001µF  
4
15V  
NOTES:  
7. P  
E
I
2
OUT  
NOTE: I = --  
= (V+)(I)  
8. I  
= -------------------------------  
10  
I
DISSIPATION  
OS  
VOLTS  
--------------------  
AMPS  
6
FIGURE 3. INPUT BIAS CURRENT TEST CIRCUIT  
FIGURE 2. INPUT OFFSET CURRENT TEST CIRCUIT  
3-15  
CA3094, CA3094A, CA3094B  
Test Circuits (Continued)  
4.7kΩ  
30V  
10kΩ  
7
100Ω  
8
NOTES:  
2
-
100 × 26V  
--------------------------------------------  
E  
9. CMRR =  
.
CA3094  
6
E
100Ω  
2OUT  
1OUT  
+
3
4
V
CMR  
0.8V TO 27.2V  
10kΩ  
10. Input Voltage Range for CMRR = 1V to 27V.  
9.9kΩ  
1
E
OUT  
100 × 26V  
11. CMRR (dB) = 20log  
.
1kΩ  
--------------------------------------------  
E
E  
2OUT  
1OUT  
200Ω  
100pF  
15V  
FIGURE 4. COMMON MODE RANGE AND REJECTION RATIO TEST CIRCUIT  
+15V  
+15V  
10kΩ  
-15V  
+15V  
I
ABC  
R
S
500Ω  
5
I
ABC  
10kΩ  
7
5
3.6kΩ  
R
S
8
2
-
7
(NOTE)  
8
6
91Ω  
2
CA3094A  
-
10Ω  
3
+
CA3094A  
6
3
+
100Ω  
10Ω  
OUTPUT  
(RMS)  
OUTPUT  
= 2kΩ  
4
4
120Ω  
3kΩ  
1
R
L
R
S
C
C
(NOTE)  
-15V  
-15V  
R
I
ABC  
NOTE:  
= 1MΩ  
(1/F Noise Current Test).  
S
I
C
ABC  
COMP  
(pF)  
()  
(µA)  
500  
50  
R
(µA)  
S
56K  
560K  
56M  
5
0
R
= 0Ω  
S
50  
50  
(1/F Noise Voltage Test).  
5
500  
500  
FIGURE 5. 1/F NOISE TEST CIRCUIT  
+15V  
FIGURE 6. OPEN LOOP GAIN vs FREQUENCY TEST CIRCUIT  
+15V  
I
ABC  
56kΩ  
5
5
7
7
2V  
0V  
8
10kΩ  
8
2
-
2
-
±10V  
6
CA3094A  
6
CA3094A  
13kΩ  
10kΩ  
3
+
E
3
+
OUT  
2kΩ  
4
E
OUT  
2kΩ  
1
15kΩ  
4
220Ω  
0.001µF  
-15V  
-15V  
FIGURE 7. OPEN LOOP SLEW RATE vs I  
TEST CIRCUIT  
FIGURE 8. SLEW RATE vs NON-INVERTING UNITY GAIN  
TEST CIRCUIT  
ABC  
3-16  
CA3094, CA3094A, CA3094B  
Test Circuits (Continued)  
120VAC  
R
V+ = 30V  
LOAD  
+15V  
E
R
1
OUT  
R
R
3
R
5
2
7
S
2
56kΩ  
8
R
4
5
6
+
5
3
2
S
1
MT  
MT  
7
2
1
R
3
CA3094A  
R
2
8
6
R
6
-
2
-
(NOTE 12)  
D
1
CA3094A  
R
1
4
R
8
3
+
C
1
R
7
OUTPUT  
4
2kΩ  
1
51Ω  
COMMON  
R
C
NOTES:  
S
C
1
C
-15V  
12. C = 0.5µF  
1
29V  
3V  
D
R
R
R
R
R
R
R
R
= 1N914  
1
1
2
3
4
5
6
7
8
3
6
0
0
= 0.51M= 3 min.  
= 5.1M= 30 min.  
= 22M= 2 hrs.  
= 44M= 4 hrs.  
= 1.5kΩ  
= 50kΩ  
= 5.1kΩ  
= 1.5kΩ  
27V  
CLOSED  
LOOP GAIN  
(dB)  
Time = 1 hr.  
Set to R  
R
R
(k)  
R
3
(k)  
1
2
S
2
4
(k)  
10  
10  
1
0
10  
20  
40  
1
10  
13. Potentiometer required for initial time set to permit device inter-  
0.1  
10  
o
connecting. Time variation with temperature <0.3%/ C.  
FIGURE 9. PHASE COMPENSATION TEST CIRCUIT  
FIGURE 10. PRESETTABLE ANALOG TIMER  
Application Information  
For additional application information, refer to  
Application Note AN6048, “Some Applications of a  
Programmable Power/Switch Amplifier IC” and AN6077  
“An IC Operational Transconductance Amplifier (OTA)  
with Power Capability”.  
If the desired sensitivity and required input resistance are  
not known and are to be experimentally determined, or the  
anticipated equipment design is sufficiently flexible to  
tolerate a wide range of these parameters, it is  
recommended that the equipment designer begin his  
calculations with an I  
characterized at this value of amplifier bias current.  
of 100µA, since the CA3094 is  
ABC  
Design Considerations  
The selection of the optimum amplifier bias current (I  
depends on:  
)
ABC  
The CA3094 is extremely versatile and can be used in a  
wide variety of applications.  
1. The Desired Sensitivity - The higher the I  
, the higher  
ABC  
the sensitivity, i.e., a greater drive current capability at the  
output for a specific voltage change at the input.  
2. Required Input Resistance - The lower the I  
er the input resistance.  
, the high-  
ABC  
3-17  
CA3094, CA3094A, CA3094B  
Typical Applications  
Z
Z
1
2
+
-
E
E
CA3094  
OUT  
(NOTE)  
IN  
E
E
CA3094  
OUT  
IN  
-
(NOTE)  
+
Where E  
OUT  
= E  
IN  
Z
E
2
OUT  
------  
here ----------------- = f  
depends on the characteristics of Z and Z  
1 2  
Z
1
E
IN  
NOTE: In single-ended output operation, the CA3094 may require a pull up or pull down resistor.  
FIGURE 11A. INVERTING OP AMP  
FIGURE 11B. NON-INVERTING MODE, AS A FOLLOWER  
FIGURE 11. APPLICATION OF THE CA3094  
V+ = 18V  
Problem: To calculate the maximum value of R required to  
switch a 100mA output current comparator  
S
1
R
18V  
5µA  
ABC  
220kΩ  
2kΩ  
PULL UP  
VOLTAGE A  
-----------  
= 3.6MΩ ≈  
Given:  
I
= 5µA, R  
ABC  
ABC  
2/3V+  
0
R
1
R
I = 500nA at I  
ABC  
= 100µA (from Figure 3)  
I
100kΩ  
5
7
+18  
0
I = 5µA can be determined by drawing a line on Figure 3 through  
I
I
I
o
8
I
= 100µA and I = 500nA parallel to the typical T = 25 C  
ABC  
curve.  
B
A
+
2
3
A
VOLTAGE AT  
TERMINAL 8  
1N914  
12V  
CA3094  
Then: I = 33nA at I  
= 5µA  
I
ABC  
E
OUT  
-
o
18V 12V  
33nA  
R
R
= --------------------------- = 180Mat T = 25 C  
MAX  
MAX  
A
C
6
4
R
2
o
= 180MΩ × 2 3= 120Mat T = –55 C  
220kΩ  
A
o
o
Ratio of I at T = 25 C to I at T = -55 C for any given value  
I
A
I
A
of I  
ABC  
TIME DELAY (s) = RC (APPROX.)  
FIGURE 12. RC TIMER  
V+  
0
A
0
V+  
B
C
R
1
100  
kΩ  
220kΩ  
0
1MΩ  
3
/ V+  
4
270  
kΩ  
D
0.01µF  
D
E
7
0
R
INPUT  
2
B
C
1
A
8
2.2MΩ  
100  
kΩ  
0.5µF  
V+  
0
5
+
3
E
C
6
E
CA3094  
OUT  
On a negative going transient at input (A), a negative  
pulse at C will turn “on” the CA3094, and the output (E)  
will go from a low to a high level.  
1N914  
2
-
12V  
DC  
100  
kΩ  
R
LOAD  
2kΩ  
4
100  
kΩ  
At the end of the time constant determined by C , R ,  
1
1
R
3
R , R , the CA3094 will return to the “off” state and the  
2
3
1MΩ  
output will be pulled low by R  
. This condition will  
LOAD  
be independent of the interval when input (A) returns  
to a high level.  
FIGURE 13. RC TIMER TRIGGERED BY EXTERNAL NEGATIVE PULSE  
3-18  
CA3094, CA3094A, CA3094B  
Typical Applications (Continued)  
+
+15V  
10kMIN  
R
1kΩ  
1MMAX  
510Ω  
7
TYPE  
1N914  
2.7MΩ  
47kΩ  
5
7
8
100kΩ  
3
2
-
8
OUTPUT  
+
5V  
DC  
2
CA3094  
20kΩ  
CA3094  
+
E
OUT  
6
3
-
C
1
6
4
1N914  
0.01µF  
330kΩ  
4
5
C
47kΩ  
PAPER OR  
MYLAR™  
C
-
NOTES:  
14. R = 1M, C = 1µF.  
15. Time Constant: t RC x 120.  
16. Pulse Width: ω ≈ K(C /C).  
2ms  
120s  
CURRENT INPUT  
OR  
E
OUT  
R
1
LINE  
VOLTAGE INPUT  
FIGURE 15. CURRENT OR VOLTAGE CONTROLLED OSCILLATOR  
15V  
FIGURE 14. FREE RUNNING PULSE GENERATOR  
1kΩ  
300kΩ  
R
2
OUTPUT  
5kHz  
51kΩ  
30V  
f
OUT  
5
R
7
100kΩ  
8
510Ω  
27kΩ  
+
2
3
300kΩ  
100kΩ  
CA3094A  
LED  
R
1
-
4.3kΩ  
50kΩ  
R
P
6
5
C
1000pF  
R
4
7
100kΩ  
8
-15V  
+
2
27kΩ  
1
CA3094A  
NOTE:  
f
= ---------------------------------------------------  
OUT  
2R  
1
R
2
3
-
(2RC) ln ---------- + 1  
6
C
560pF  
4
1
RC  
If: R = 3.08R , f  
= --------  
2
1
OUT  
FIGURE 16. SINGLE SUPPLY ASTABLE MULTIVIBRATOR  
FIGURE 17. DUAL SUPPLY ASTABLE MULTIVIBRATOR  
Mylar™ is a trademark of E.I. Dupont de Nemours  
3-19  
CA3094, CA3094A, CA3094B  
Typical Applications (Continued)  
+15V  
150kΩ  
5
+15V  
2kΩ  
7
8
OUTPUT  
51kΩ  
300kΩ  
3
INPUT  
-
2kΩ  
R
A
CA3094  
200kΩ  
5
2
+
7
6
R (NOTE 17)  
R
B
8
OUTPUT  
51kΩ  
4
200kΩ  
3
2
INPUT  
-
R
1
CA3094A  
100kΩ  
+
R
-15V  
6
1
NOTES:  
100kΩ  
4
R
B
R
2
-----------------------------------------  
19.  
Upper Threshold = [V+]  
.
100kΩ  
R R  
1
A
---------------------  
+ R  
B
R
+ R  
A
1
NOTES:  
17. R = -------------------- .  
R R  
1
2
R R  
R
+ R  
2
1
B
1
---------------------  
R
+ R  
B
R
1
20.  
.
1
-----------------------------------------  
Lower Threshold = [V+]  
--------------------  
18. ±Threshold = Supply]  
.
R R  
R
+ R  
2
1
B
1
---------------------  
+ R  
A
R
+ R  
B
1
FIGURE 18A. DUAL SUPPLY  
FIGURE 18B. SINGLE SUPPLY  
FIGURE 18. COMPARATORS (THRESHOLD DETECTORS) DUAL AND SINGLE SUPPLY TYPES  
1.5MΩ  
1N914  
TYPE  
D1201F  
HEATER  
PTC TEMP.  
SENSOR  
330kΩ  
1.5kΩ  
7
+
68kΩ  
50µF  
50V  
MT  
MT  
2
1
10Ω  
-
5
1kΩ  
8
117V  
60Hz  
2
3
0.01µF  
26V  
60Hz  
10kΩ  
G
75kTEMP.  
1N914  
6
CA3094  
4
SET  
R
75kΩ  
75kΩ  
R
FOR NTC SENSOR, INTERCHANGE POSITION OF SENSOR AND  
.
NOTE: All Resistors are 1/2W.  
FIGURE 19. TEMPERATURE CONTROLLER  
3-20  
CA3094, CA3094A, CA3094B  
Typical Applications (Continued)  
NOTE 23  
2
3
1
CA3085A  
VOLTAGE REG.  
V+ INPUT  
(NOTE 21)  
5.6Ω  
+15V REG.  
OUTPUT  
8
6
7
4
R
5kΩ  
REF.  
1.6V  
0.01µF  
10kΩ  
NOTES:  
21. V+ Input Range = 19V to 30V for 15V output.  
22. V- Input Range = -16V to -30V for -15V output.  
23. Max I = ±100mA.  
0.0056µF  
1.5kΩ  
COMMON  
RETURN  
OUT  
24. Regulation:  
200kΩ  
V  
OUT  
-----------------------------------------------------------  
Max Line =  
× 100 = 0.075% V  
100Ω  
[V  
(Initial)]∆V  
OUT  
IN  
1
5
0.03µF  
7
8
5.1kΩ  
V  
+
OUT  
(Initial)  
2
3
---------------------------------------  
Max Load =  
× 100 = 0.075% V  
OUT  
V
OUT  
CA3094A  
(I from 1mA to 50mA)  
L
-
6
-15V REG.  
OUTPUT  
4
10kΩ  
±1%  
V- INPUT  
(NOTE 22)  
10kΩ  
±1%  
FIGURE 20. DUAL VOLTAGE TRACKING REGULATOR  
CIRCUIT TRIPS ON POSITIVE  
PEAKS WILL SWITCH WITHIN  
1.5 CYCLES  
36V  
1mA  
I
LOAD  
VOLTAGE BETWEEN  
TERMINALS 2 AND 4  
3
33kΩ  
VOLTAGE BETWEEN  
TERMINALS 3 AND 4  
(ADJUSTABLE WITH  
+3V  
I
I
A
20µA  
ABC  
10µA  
R
)
R
TRIP  
TRIP  
200  
200mV  
RANGE  
GROUND FAULT  
SIGNAL 60Hz  
60mV  
TYPICAL  
3.3MΩ  
100Ω  
3.3  
kΩ  
5
t
R
7
47kΩ  
47kΩ  
NOTES:  
3
-
(NOTE 27)  
25. Differential current sensor provides 60mV signal 5mA of  
8
100kΩ  
CA3094B  
L
C
CIRCUIT  
unbalance (Trip) current.  
0.02µF  
2
+
BREAKER  
CONTROL  
SOLENOID  
26. All Resistors are 1/2 Watt, ±10%.  
6
27. RC selected for 3dB point at 200Hz.  
C
0.1µF  
(NOTE 28)  
2
4
28. C = AC bypass.  
2
29. Offset adj. included in R  
.
TRIP  
30. Input impedance from 2 to 3 = 800kΩ.  
31. With no input signal Terminal 8 (output) at 36V.  
1kΩ  
0.001µF  
FIGURE 21. GROUND FAULT INTERRUPTER (GFI) AND WAVEFORMS PERTINENT TO GROUND FAULT DETECTOR  
3-21  
CA3094, CA3094A, CA3094B  
Typical Applications (Continued)  
TREBLE  
D
- D 1N5391  
4
1
“BOOST”  
15kΩ  
“CUT”  
(CCW)  
0.01µF  
820Ω  
(CW)  
V+  
+
0.12µF  
D
D
D
1
2
3
4700µF  
1800Ω  
220Ω  
120V  
60Hz  
68Ω  
1W  
15µF  
0.001µF  
5600Ω  
+
220Ω  
1W  
0.001µF  
Q
STANCOR  
NO. P-8609  
OR EQUIVALENT  
(120VAC TO  
2
V-  
2N6292  
5µF  
2N6292  
+
4700  
D
4
µF  
+
26.8VCT AT 1A)  
30  
27Ω  
Q
1
3µH  
22Ω  
INPUT  
0.47Ω  
7
6.8pF  
1
VOLUME  
2
0.47Ω  
C
1
Q
+
R
3
1
330Ω  
47Ω  
(NOTES  
32, 33)  
2N6107  
8
CA3094B  
R
8Ω  
L
8 LEAD  
TO-5  
-
3
6
THERMAL  
R
2
COMPENSATION  
1.8MΩ  
(NOTES 32, 33)  
4
NETWORK†  
5
1Ω  
0.47  
µF  
680  
kΩ  
OPTIONAL THERMAL  
COMPENSATION  
NETWORK  
0.2µF  
C
2
0.02µF  
8.2Ω  
25µF  
0.47µF  
1kΩ  
+
“BOOST”  
(CW)  
“CUT”  
(CCW)  
1N5391  
100kΩ  
10kΩ  
JUMPER (NOTES 32, 33)  
BASS  
TYPICAL PERFORMANCE DATA FOR 12W AUDIO AMPLIFIER CIRCUIT  
Power Output (8load, Tone Control Set at “Flat”)  
Music (at 5% THD, Regulated Supply). . . . . . . . . . . . . . . . . . 15W  
Continuous (at 0.2% IMD, 60Hz and 2kHz  
Input Resistance . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .250kΩ  
Tone Control Range. . . . . . . . . . . . . . . . . . .See Figure 9 in AN6048  
NOTES:  
Mixed in a 4:1 Ratio, Unregulated Supply)  
See Figure 8 in AN6048. . . . . . . . . . . . . . . . . . . . . . . . . . . . . 12W  
Total Harmonic Distortion  
At 1W, Unregulated Supply . . . . . . . . . . . . . . . . . . . . . . . . .0.05%  
At 12W, Unregulated Supply . . . . . . . . . . . . . . . . . . . . . . . .0.57%  
Voltage Gain . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .40dB  
Hum and Noise (Below Continuous Power Output) . . . . . . . . . .83dB  
32. For standard input: Short C ; R = 250k, C = 0.047µF; remove  
2
1
1
R .  
2
33. For ceramic cartridge input: C = 0.0047µF, R = 2.5M, remove  
1
1
jumper from C ; leave R .  
2
2
FIGURE 22. 12W AUDIO AMPLIFIER CIRCUIT FEATURING TRUE COMPLEMENTARY SYMMETRY OUTPUT STAGE WITH CA3094 IN  
DRIVER STAGE  
3-22  
CA3094, CA3094A, CA3094B  
Typical Performance Curves  
5
3
10  
V+ = +15V, V- = -15V  
V+ = +15V, V- = -15V  
4
o
125 C  
3
o
90 C  
2
10  
10  
2
1
o
25 C  
o
-55 C  
0
1
o
70 C  
-1  
-2  
-3  
-4  
-5  
-6  
-7  
-8  
o
25 C  
o
-55 C  
o
1
70 C  
o
-55 C  
o
90 C  
o
25 C  
o
125 C  
o
125 C  
0.1  
0.01  
0.1  
1
10  
100  
1000  
0.1  
1.0  
10  
100  
1000  
AMPLIFIER BIAS CURRENT (µA)  
AMPLIFIER BIAS CURRENT (µA)  
FIGURE 23. INPUT OFFSET VOLTAGE vs AMPLIFIER BIAS  
FIGURE 24. INPUT OFFSET CURRENT vs AMPLIFIER BIAS  
CURRENT (I  
, TERMINAL 5)  
CURRENT (I  
, TERMINAL 5)  
ABC  
ABC  
4
3
10  
10  
5
10  
o
V+ = +15V, V- = -15V  
T
= 25 C  
A
4
3
10  
10  
2
1
10  
10  
o
V+ = +15V, V- = -15V  
V+ = +6V, V- = -6V  
V+ = +3V, V- = -3V  
125 C  
2
1
o
10  
10  
25 C  
o
3
-55 C  
1.0  
0.88µA  
0.1  
0.1  
1
0.1  
1
10  
100  
1000  
1.0  
10  
100  
1000  
AMPLIFIER BIAS CURRENT (µA)  
AMPLIFIER BIAS CURRENT (µA)  
FIGURE 25. INPUT BIAS CURRENT vs AMPLIFIER BIAS  
FIGURE 26. DEVICE DISSIPATION vs AMPLIFIER BIAS  
CURRENT (I , TERMINAL 5)  
CURRENT (I  
, TERMINAL 5)  
ABC  
ABC  
4
15.0  
14.5  
14.0  
13.5  
13.0  
0
10  
V+ = +15V, V- = -15V  
V+ = +15V, V- = -15V  
o
T
= 125 C  
A
o
T
= 25 C  
A
o
25 C  
V+  
CMR  
3
2
1
10  
10  
10  
o
-55 C  
-13.0  
-13.5  
-14.0  
-14.5  
-15.0  
o
125 C  
1.0  
0.1  
V-  
CMR  
o
25 C  
o
-55 C  
0.1  
1.0  
10  
100  
1000  
0.1  
1.0  
10  
100  
1000  
AMPLIFIER BIAS CURRENT (µA)  
AMPLIFIER BIAS CURRENT (µA)  
FIGURE 27. AMPLIFIER SUPPLY CURRENT vs AMPLIFIER  
BIAS CURRENT (I , TERMINAL 5)  
FIGURE 28. COMMON MODE INPUT VOLTAGE vs AMPLIFIER  
BIAS CURRENT (I , TERMINAL 5)  
ABC  
ABC  
3-23  
CA3094, CA3094A, CA3094B  
Typical Performance Curves (Continued)  
100  
10  
50  
45  
40  
35  
30  
25  
20  
15  
10  
V+ = +15V, V- = -15V  
o
V+ = +15V, V- = -15V  
o
R
= 1M, T = 25 C  
A
R
= 0, T = 25 C  
A
S
S
FOR TEST CIRCUIT, SEE FIGURE 20  
FOR TEST CIRCUIT, SEE FIGURE 20  
I
= 500µA  
ABC  
I
= 5µA  
ABC  
500µA  
50µA  
50µA  
1.0  
0.1  
5µA  
1
2
3
1
2
3
10  
10  
10  
10  
10  
10  
FREQUENCY (Hz)  
FREQUENCY (Hz)  
FIGURE 29. 1/F NOISE VOLTAGE vs FREQUENCY  
FIGURE 30. 1/F NOISE CURRENT vs FREQUENCY  
10000  
1000  
100  
10  
FORCED BETA = 10  
V+ = 20V, V  
= 10V  
CE  
o
o
T
= 25 C  
T = 25 C  
A
A
1000  
100  
10  
1
1
10  
100  
1000  
1
10  
100  
1000  
COLLECTOR CURRENT (mA)  
COLLECTOR CURRENT (mA)  
FIGURE 31. COLLECTOR EMITTER SATURATION VOLTAGE vs  
COLLECTOR CURRENT OF OUTPUT  
FIGURE 32. COMPOSITE DC BETA vs COLLECTOR CURRENT  
OF DARLINGTON CONNECTED OUTPUT  
TRANSISTOR (Q  
)
TRANSISTORS (Q , Q )  
12 13  
13  
5
10  
110  
100  
90  
80  
70  
60  
50  
40  
30  
20  
10  
0
V+ = +15V, V- = -15V  
I
= 500µA  
ABC  
4
3
2
1
50µA  
10  
10  
10  
10  
5µA  
0
PHASE ANGLE  
-50  
(I  
= 500µA)  
ABC  
-100  
-150  
-200  
o
-55 C  
o
25 C  
o
125 C  
V+ = +15V, V- = -15V, R = 2kΩ  
L
o
(TERMINAL 6 TO V-), T = 25 C  
A
FOR TEST CIRCUIT, SEE FIGURE 21  
1
0.1  
-10  
1.0  
10  
100  
1000  
1
2
3
4
5
6
7
1
10  
10  
10  
10  
10  
10  
10  
AMPLIFIER BIAS CURRENT (µA)  
FREQUENCY (Hz)  
FIGURE 33. OPEN LOOP VOLTAGE GAIN vs FREQUENCY  
FIGURE 34. FORWARD TRANSCONDUCTANCE vs  
AMPLIFIER BIAS CURRENT  
3-24  
CA3094, CA3094A, CA3094B  
Typical Performance Curves (Continued)  
100  
100  
10  
o
V+ = +15V, V- = -15V, T = 25 C  
A
o
V+ = +15V, V- = -15V, I  
ABC  
FOR TEST CIRCUIT, SEE FIGURE 23  
= 500µA, T = 25 C  
A
FOR TEST CIRCUIT, SEE FIGURE 22  
10  
1.0  
0.1  
1.0  
0.1  
1
10  
100  
1000  
0
20  
40  
60  
80  
100  
AMPLIFIER BIAS CURRENT (µA)  
CLOSED LOOP VOLTAGE GAIN (dB)  
FIGURE 35. SLEW RATE vs AMPLIFIER BIAS CURRENT  
1000  
FIGURE 36. SLEW RATE vs CLOSED LOOP VOLTAGE GAIN  
o
V+ = +15V, V- = -15V, I  
= 500mA, T = 25 C  
ABC  
A
100mV OUTPUT SIGNAL WITH  
10% OVERSHOOT  
FOR PHASE COMPENSATION  
TEST CIRCUIT, SEE FIGURE 24  
100  
80  
60  
40  
C
C
1000  
20  
800  
600  
400  
10  
8
R
C
6
4
2
200  
1
0
10  
20  
30  
40  
50  
60  
70  
CLOSED LOOP VOLTAGE GAIN (dB)  
FIGURE 37. PHASE COMPENSATION CAPACITANCE AND RESISTANCE vs CLOSED LOOP VOLTAGE GAIN  
3-25  
配单直通车
CA3094E产品参数
型号:CA3094E
是否Rohs认证: 不符合
生命周期:Transferred
IHS 制造商:RCA SOLID STATE
包装说明:DIP, DIP8,.3
Reach Compliance Code:unknown
风险等级:5.88
放大器类型:OPERATIONAL AMPLIFIER
架构:VOLTAGE-FEEDBACK
25C 时的最大偏置电流 (IIB):0.5 µA
频率补偿:NO
最大输入失调电压:7000 µV
JESD-30 代码:R-PDIP-T8
JESD-609代码:e0
低-失调:NO
功能数量:1
端子数量:8
最高工作温度:125 °C
最低工作温度:-55 °C
封装主体材料:PLASTIC/EPOXY
封装代码:DIP
封装等效代码:DIP8,.3
封装形状:RECTANGULAR
封装形式:IN-LINE
电源:+-15/30 V
可编程功率:YES
认证状态:Not Qualified
子类别:Operational Amplifiers
供电电压上限:12 V
表面贴装:NO
技术:BIPOLAR
温度等级:MILITARY
端子面层:Tin/Lead (Sn/Pb)
端子形式:THROUGH-HOLE
端子节距:2.54 mm
端子位置:DUAL
最小电压增益:20000
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