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NTE975 & NTE975SM Integrated Circuit Operational Amplifier
Description: The NTE975 and NTE975SM are general purpose operational amplifiers built on a single chip. The resulting close match and tight thermal coupling gives low offsets and temperature drift as well as fast recovery from thermal transients. The unity-gain compensation specified makes the circuit stable for all feedback configurations, even with capacitive loads. However, it is possible to optimize compensation for the best high frequency performance at any gain. As a comparator, the output can be clamped at any desired level to make it compatible with logic circuits. Features: D Available in 8-Lead Mini DIP (NTE975) and Surface Mount, SOIC-8 (NTE975SM) D Frequency Compensation with a Single 30pF Capacitor D Operation From 5V to 20V D Low Current Drain: 1.8mA @ 20V D Continuous Short-Circuit Protection D Operation as a Comparator with Differential Inputs as High as 30V D No Latch-Up when Common Mode Range is Exceeded Absolute Maximum Ratings: Supply Voltage, VS . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 22V Power Dissipation (Note 1), PD . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 500mW Differential Input Voltage, VID . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 30V Input Voltage (Note 2), VIN . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 15V Output Short-Circuit Duration (Note 3), 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. For operating at elevated temperatures the devices must be derated based on a maximum junction to case thermal resistance of +45C/W, or +150C/W junction to ambient. Note 2. For supply voltages less than 15V, the absolute maximum input voltage is equal to the supply voltage. Note 3. Continuous short circuit is allow for ambient temperatures to +70C.
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 10k RS 10k TA = +25C TA = +25C TA = +25C TA = +25C, VS = 15V TA = +125C, VS = 15V TA = +25C, VS = 15V, VOUT = 10V, RL 2k VS = 15V, VOUT = 10V, RL 2k Average Temperature Coefficient of Input Offset Voltage Output Voltage Swing Input Voltage Range Common Mode Rejection Ratio Supply Voltage Rejection Ratio TCVIO VO VICR CMRR PSRR RS 50 RS 10k VS = 15V, RL = 10 VS = 15V, RL = 2k VS = 15V RS 10k RS 10k Min - - - - - - 300 - - 50 25 - - 12 10 12 70 77 Typ 1.0 - 40 - 120 - 800 1.8 1.2 160 - 3.0 6.0 14 13 - 90 90 Max 5.0 6.0 200 300 500 0.8 - 2.8 2.25 - - - - - - - - - Unit mV mV nA nA nA A k mA mA V/mV V/mV V/C V/C V V V dB dB
Pin Connection Diagram
Compensation Inverting Input Non-Inverting Input V (-)
1 2 3 4
8 7 6 5
Compensation V (+) Output Balance
NTE975 8 5
.260 (6.6)
1
4
.390 (9.9) Max .155 (3.93)
.300 (7.62)
.100 (2.54) .300 (7.62)
.145 (3.68)
NTE975SM .192 (4.9)
8
5
.236 (5.99) .154 (3.91)
1
4
.050 (1.27)
016 (.406) 061 (1.53)
.198 (5.03)
.006 (.152) NOTE: Pin1 on Beveled Edge

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