NTE NTE778A

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: (TA = +25°C unless otherwise specified)
Power Supply Voltage, VCC, VEE . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . ±18V
Input Differential Voltage, VID . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . ±30V
Input Common Mode Voltage (Note 1), VICM . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . ±15V
Output Short–Circuit Duration (Note 2), tS . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . Continuous
Operating Junction Temperature, TJ . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . +150°C
Operating Ambient Temperatue Range, TA . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 0° to +70°C
Storage Temperature Range, Tstg . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . –55° to +125°C
Note 1. For supply voltages less than ±15V, the absolute maximum input voltage is equal to the supply
voltage.
Note 2. Supply voltage equal to or less than ±15V.
Electrical Characteristics: (TA = 0° to +70°C, VCC = +15V, VEE = –15V unless otherwise specified)
Parameter
Input Offset Voltage
Input Offset Current
Symbol
VIO
Test Conditions
Min
Typ
Max
Unit
RS ≤ 10kΩ
–
–
7.5
V
RS ≤ 10kΩ, TA = +25°C
–
2.0
6.0
V
–
–
300
nA
–
20
200
nA
–
–
800
nA
–
80
500
nA
IIO
TA = +25°C
Input Bias Current
IIB
TA = +25°C
Electrical Characteristics (Cont’d): (TA = 0° to +70°C, VCC = +15V, VEE = –15V unless otherwise
specified)
Parameter
Symbol
Input Capacitance
Common–Mode Input Voltage Range
Large Signal Voltage Gain
Min
Typ
Max
Unit
Ci
TA = +25°C
–
1.4
–
pF
VICR
TA = +25°C
±12
±13
–
V
VO = ±10V, RL = 2kΩ
15
–
–
V/mV
VO = ±10V, RL = 2kΩ, TA = +25°C
20
200
–
V/mV
TA = +25°C
–
75
–
Ω
AV
Output Resistance
Test Conditions
to
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
RS ≥ 10kΩ
±12
±14
–
V
RS ≥ 10kΩ, TA = +25°C
±12
±14
–
V
RS ≥ 2kΩ
±10
±13
–
V
RS ≥ 2kΩ, TA = +25°C
±10
±13
–
V
Output Voltage Swing
VO
Output Short–Circuit Current
Ios
TA = +25°C
10
20
40
mA
Supply Currents (Both Amplifiers)
ID
TA = +25°C
–
2.3
5.6
mA
Power Consumption (Both Amplifiers)
PC
TA = +25°C
–
70
170
mW
VI = 20mV, RL ≥ 2kΩ, CL ≤ 100pF
–
0.3
–
µs
–
15
–
%
–
0.5
–
V/µs
1.0
1.6
–
V/µs
Transient Response (Unity Gain, TA = +25°C)
Rise Time
tTLH
Overshoot
os
Slew Rate
NTE778A
SR
VI = 10V, RL ≥ 2kΩ, CL ≤ 100pF
NTE778SM
Pin Connection Diagram
Output 1 1
Invert Input 1 2
Non–Invert Input 1 3
V (–) 4
8 V (+)
7 Output 2
6 Invert Input 2
5 Non–Invert Input 2
NTE778A
8
5
.260 (6.6)
1
4
.390 (9.9)
Max
.300
(7.62)
.155
(3.93)
.100 (2.54)
.145 (3.68)
.300 (7.62)
NTE778SM
.192 (4.9)
8
1
5
4
.050 (1.27)
.236
(5.99)
.154
(3.91)
016
(.406)
061
(1.53)
.006 (.152)
NOTE: Pin1 on Beveled Edge
.198 (5.03)