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NTE992 Integrated Circuit Quad, Single Supply Operational Amplifier
Description: The NTE992 is an internally compensated Norton operational amplifier in a 14-Lead DIP type package designed specifically for single positive power supply applications found in industrial control systems and automotive electronics. This device contains four independent amplifiers - making it ideal for applications such as active filters, multi-channel amplifiers, tachometers, oscillators, and other similar usages. Features: D Single-Supply Operation D Internally Compensated D Wide Unity Gain Bandwidth: 4MHz Typ D Low Input Bias Current: 50nA Typ D High Open-Loop Gain: 1000V/V Min D Large Output Voltage Swing: (VCC -1) VP-P Absolute Maximum Ratings: Supply Voltage, VCC . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 28V Input Currents (Iin+ or Iin-), Iin . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 5mA Output Current, IO . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 50mA Power Dissipation (TA = +25C), PD . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 625mW Derate Above 25C . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 5mW/C Operating Ambient Temperature, TA . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . -40 to +85C Storage Temperature Range, Tstg . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . -65 to +150C Electrical Characteristics: (TA = +25C, VCC = +15V unless otherwise specified)
Parameter Open-Loop Voltage Gain Input Resistance (Inverting Input) Output Resistance Input Bias Current (Inverting Input) Symbol AVOL ri rO IIB Test Conditions f = 100Hz, RL = 5k, Note 1 Min 1.2 - - - Typ 2.0 1.0 8.0 50 Max - - - 300 Unit V/mV M k nA
Note 1. Open-loop voltage gain is defined as voltage gain from the inverting input to the output.
Electrical Characteristics (Cont'd): (TA = +25C, VCC = +15V unless otherwise specified)
Parameter Slew Rate Positive Output Swing Negative Output Swing Unity Gain Bandwidth Output Voltage Swing (Note 6) BW VOH VOL VOH Output Current Source Sink (Note 2) Low Level Output Current Supply Current (All Four Amps) Non-Inverting Inputs Open Non-Inverting Inputs Grounded Power Supply Rejection Mirror Gain Mirror Gain Mirror Current Negative Input Current VCC = +15V, RL = 2k Vout High (Iin- = 0, Iin+ = 0 Vout Low (Iin- = 10A, Iin+ = 0 Symbol SR CL = 100pF, RL = 2k - - - 13.5 - - 0.5 20 4.0 14.2 0.03 25.5 - - - - 0.2 - V/s V/s MHz V V V Test Conditions Min Typ Max Unit
VCC = Max Rating, RL = R, Vout High (Iin- = 0, Iin+ = 0)
Isource Isink IOL IDO IDG PSRR Ai Ai f = 100Hz Iin+ = 20A Iin+ = 200A 20A Iin+ 200A, TA = -40 to +85C, Note 3 TA = -40 to +85C Note 5 TA = -40 to +85C, Note 3 Iin- = 5A, VOL = 1V
5.0 0.5 - - - - 0.90 0.90 - - -
10.0 0.87 5.0 6.9 7.8 55 1.0 1.0 2.0 10 1.0
- - - 10.0 14.0 - 1.1 1.1 5.0 500 -
mA mA mA mA mA dB A A % A mA
Note 2. Sink current is specified for linear operation. When the device is used as a comparator (non- linear operation) where the inverting input is overdriven, the sink current (low level output current) capability is typically 5mA. Note 3. This specification indicates the current gain of the current mirror which is used as the non- inverting input. Note 4. Input VBE match between the non-inverting and inverting inputs occurs for a mirror current (non-inverting input current) of approximately 10A. Note 5. Clamp transistors are included to prevent the input voltages from swinging below GND more than approximately -0.3V. The negative input currents that may result from large signal overdrive with capacitance input coupling must be limited externally to values of approximately 1mA. Negative input currents in excess of 4mA will cause the output to drop to a low voltage. These values apply for any one of the input terminals. If more than one of the input terminals are simultaneously driven negative, maximum currents are reduced. Common-mode biasing can be used to prevent negative input voltages. Note 6. When used as a non-inverting amplifier, the minimum output voltage is the VBE of the inverting input transistor.
Pin Connection Diagram
(+) Input B 1 (+) Input A 2 (-) Input A 3 Output A 4 Output B 5 (-) Input B 6 GND 7
14 V (+) 13 (+) Input C 12 (+) Input D 11 (-) Input D 10 Output D 9 Output C 8 (-) Input C
14
8
1
7
.785 (19.95) Max .200 (5.08) Max
.300 (7.62)
.100 (2.45) .600 (15.24)
.099 (2.5) Min

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