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NTE976 Integrated Circuit Operational Amplifier
Description: The NTE976 is a general purpose operational amplifier with the necessary frequency compensation built into a single 8-Lead DIP type package. Advanced processing techniques make the input currents a factor of ten lower than industry standards like the NTE909. Yet, it is a direct plug-in replacement for the NTE909 and the NTE941M. This device provides better accuracy and lower noise in high impedance circuitry. The low input currents also make it particularly well suited for long interval integrators or timers, sample and hold circuits, and low frequency waveform generators. Further, replacing circuits where matched transistor pairs buffer the inputs of conventional IC op amps, the NTE976 can give lower offset voltage and drift at a lower cost. Features: D Offset Voltage over Temperature: 3mV Max D Input Current over Temperature: 100nA Max D Offset Current over Temperature: 20nA Max D Guaranteed Drift Characteristics Absolute Maximum Ratings: Supply Voltage, VCC . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . +18V VEE . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . -18V Power Dissipation (Note 1), PD . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 500mW Differential Input Voltage, VID . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 30V Input Voltage (Note 2), VIN . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 15V Output Short-Circuit Duration, ts . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . Indefinite Operating Temperature Range, TA . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 0 to +70C Storage Temperature Range, Tstg . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . -65 to +150C Lead Temperature (During Soldering, 10sec), TL . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . +300C Note 1. The maximum junction temperature of the NTE976 is +100C. The thermal resistance junction to ambient is +100C/W. Note 2. For supply voltages less than -15V, the absolute maximum input voltage is equal to the supply voltage.
Electrical Characteristics: (0 TA +70C, 5V VS 15V unless otherwise specified)
Parameter Input Offset Voltage Input Offset Current Input Bias Current Input Resistance Supply Current Large Signal Voltage Gain Symbol VIO IIO IIB ri ID Av Test Conditions TA = +25C, RS 50k RS 50k TA = +25C TA = +25C TA = +25C TA = +25C, VS = 15V TA = +25C, VS = 15V, VOUT = 10V, RL 2k VS = 15V, VOUT = 10V, RL 2k Average Temperature Coefficient of Input Offset Voltage Average Temperature Coefficient of Input Offset Current Output Voltage Swing Input Voltage Range Common Mode Rejection Ratio Supply Voltage Rejection Ratio
Pin Connection Diagram
8 5 .256 (6.52) Max
Min - - - - - - 0.5 - 25 15 -
Typ 2.0 - 3.0 - 70 - 2.0 1.8 160 - 6.0 0.01 0.02 14 13 +15 -13 90 96
Max 7.5 10 50 70 250 300 - 3.0 - - 30 0.3 0.6 - - - - -
Unit mV mV nA nA nA nA M mA V/mV V/mV V/C nA/C nA/C V V V dB dB
TCVIO TCIIO VO VICR CMRR PSRR +25C TA +70C 0C TA +25C VS = 15V, RL = 10k VS = 15V, RL = 2k VS = 15V RS 50k RS 50k
- - 12 10 12 70 70
N.C. Inverting Input Non-Inverting Input V (-)
1 2 3 4
8 7 6 5
N.C. V (+) Output N.C.
1
4
.393 (10.0) Max .150 (3.81)
.300 (7.62)
.100 (2.54) .300 (7.62)
.070 (1.77) Min

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