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NTE778A & NTE778SM
Integrated Circuit
Dual Operational Amplifier
Description:
The NTE778A (8–Lead DIP) and NTE778SM (SOIC–8 Surface Mount) are linear integrated circuits
designed for use as a summing amplifier, integrator, or amplifier with operating characteristics as a
function of the external feedback components.
Features:
D No Frequency Compensation Required
D Short–Circuit Protection
D Wide Common–Mode and Differential Voltage Ranges
D Low Power Consumption
D No Latch Up
Absolute Maximum Ratings:
Power Supply Voltage, V
Input Differential Voltage, V
Input Common Mode Voltage (Note 1), V
Output Short–Circuit Duration (Note 2), t
Operating Junction Temperature, T
Operating Ambient Temperatue Range, T
Storage Temperature Range, T
(TA = +25°C unless otherwise specified)
, V
CC
EE
ID
ICM
S
J
A
stg
±18V. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .
±30V. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .
±15V. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .
Continuous. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .
+150°C. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .
0° to +70°C. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .
–55° to +125°C. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .
Note 1. For s upply v oltages l ess t han ±15V , t he a bsolute m aximum input voltage i s e qual t o t he s upply
voltage.
Note 2. Supply voltage equal to or less than ±15V.
Electrical Characteristics:
Parameter Symbol Test Conditions Min Typ Max Unit
Input Offset Voltage V
Input Offset Current I
Input Bias Current I
(TA = 0° to +70°C, VCC = +15V, VEE = –15V unless otherwise specified)
RS ≤ 10kΩ – – 7.5 V
IO
RS ≤ 10kΩ, TA = +25°C – 2.0 6.0 V
IO
TA = +25°C – 20 200 nA
IB
TA = +25°C – 80 500 nA
– – 300 nA
– – 800 nA
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Electrical Characteristics (Cont’d): (TA = 0° to +70°C, VCC = +15V, VEE = –15V unless otherwise
specified)
Parameter Symbol Test Conditions Min Typ Max Unit
Input Capacitance C
Common–Mode Input Voltage Range V
Large Signal Voltage Gain A
Output Resistance t
Common–Mode Rejection Ratio CMRR RS ≤ 10kΩ, TA = +25°C 70 90 – dB
Supply Voltage Rejection Ratio PSRR RS ≤ 10kΩ, TA = +25°C – 30 150 µV/V
Output Voltage Swing V
Output Short–Circuit Current I
Supply Currents (Both Amplifiers) I
Power Consumption (Both Amplifiers) P
Transient Response (Unity Gain, TA = +25°C)
Rise Time t
Overshoot os – 15 – %
ICR
os
TLH
TA = +25°C – 1.4 – pF
i
TA = +25°C ±12 ±13 – V
VO = ±10V, RL = 2kΩ 15 – – V/mV
V
VO = ±10V, RL = 2kΩ, TA = +25°C 20 200 – V/mV
TA = +25°C – 75 – Ω
o
RS ≥ 10kΩ ±12 ±14 – V
O
RS ≥ 10kΩ, TA = +25°C ±12 ±14 – V
RS ≥ 2kΩ ±10 ±13 – V
RS ≥ 2kΩ, TA = +25°C ±10 ±13 – V
TA = +25°C 10 20 40 mA
TA = +25°C – 2.3 5.6 mA
D
TA = +25°C – 70 170 mW
C
VI = 20mV, RL ≥ 2kΩ, CL ≤ 100pF – 0.3 – µs
Slew Rate
NTE778A
NTE778SM 1.0 1.6 – V/µs
Output 1
Invert Input 1
Non–Invert Input 1
SR VI = 10V, RL ≥ 2kΩ, CL ≤ 100pF – 0.5 – V/µs
Pin Connection Diagram
V (–)
1
2
3
4
8
V (+)
Output 2
7
Invert Input 2
6
5
Non–Invert Input 2
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NTE778A
85
.260 (6.6)
14
.100 (2.54)
.390 (9.9)
Max
.155
(3.93)
.145 (3.68)
.300 (7.62)
NTE778SM
.192 (4.9)
85
14
.236
(5.99)
.154
(3.91)
.300
(7.62)
.050 (1.27)
016
(.406)
061
(1.53)
.006 (.152)
NOTE: Pin1 on Beveled Edge
.198 (5.03)
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