NTE NTE778A, NTE778SM Datasheet

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

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