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| NTE928M & NTE928SM Integrated Circuit Low Power Dual Operational Amplifier Description: Utilizing the circuit designs perfected for recently introduced Quad Operational Amplifiers, the NTE928M/NTE928SM dual operational amplifier features low power drain, a common mode input voltage range extending to ground/VEE, and Single Supply or Split Supply Operation. This amplifier has several distinct advantages over standard operational amplifier types in single supply applications. It can operate at supply voltages as low as 3.0 Volts or as high as 32 Volts with quiescent currents about one-fifth of those associated with the NTE941 (on a per amplifier basis). The common mode input range includes the negative supply, thereby eliminating the necessity for external biasing power supply voltage. Features: D Short Circuit Protected Outputs D True Differential Input Stage D Single Supply Operation: 3.0 to 32 Volts D Low Input Bias Currents D Internally compensated D Common Mode Range Extends to Negative Supply D Single and Split Supply Operation Maximum Ratings: Power Supply Voltages Single Supply, VCC . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 32V Split Supplies, VCC VEE . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 16V Input Differential Voltage Range (Note 1), VIDR . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 32V Input Common Mode Voltage Range (Note 2), VICR . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . -0.3 to 32V Input Forward Current (VI -0.3V, Note 3), IIF . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 50mA Output Short Circuit Duration, tS . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . Continuous Junction Temperature, TJ . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . -55 to +125C Operating Ambient Temperature Range, TA . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 0 to +70C Note 1. Split Power Supplies Note 2. For supply voltages less than 32V, the absolute maximum input voltage is equal to the supply voltage. Note 3. This input current will only exist when the voltage is negative at any of the input leads. Normal output states will reestablish when the input voltage returns to a voltage greater than 0.3V. Electrical Characteristics: (VCC = 5V, VEE = Gnd, TA = +25C unless otherwise specified) Parameter Input Offset Voltage Symbol VIO Test Conditions VCC = 5V to 30V, VIC =0 to VCC-1.7V, VO ] 1.4V, RS = 0 0 TA +70C Min - 0 TA +70C - - - 0 TA +70C Average Temperature Coefficient of Input Offset Current Input Bias Current IIO/T IIB 0 TA +70C Input Common-Mode Voltage Range Differential Input Voltage Range Large Signal Open-Loop Voltage Gain Channel Separation Common-Mode Rejection Ratio Power Supply Rejection Ratio Output Voltage Range Output Voltage - High Limit Output Voltage - Low Limit Output Source Current Output Sink Current CMRR PSRR VOR VOH VOL IO+ IO- Ios ICC RL = 2k VCC = 30V, 0 TA +70C RL = 2k RL = 10k VICR VIDR AVOL RL = 2k, VCC = 15V, For Large VO Swing 0 TA +70C VCC = 30V, Note 4 0 TA +70C 0 TA +70C - - - - 0 0 - 25 15 - 65 65 0 26 27 - 20 10 12 - VCC = 30V VCC = 5V - - Typ 2.0 - 7.0 5.0 - 10 -45 -50 - - - 100 - -120 70 100 - - 28 5 40 20 50 40 1.5 0.7 Max 7.0 9.0 - 50 150 - -250 -500 28.3 28 VCC - - - - - 3.3 - - 20 - - - 60 3.0 1.2 Unit mV mV V/C nA nA pA/C nA nA V V V V/mV V/mV dB dB dB V V V mV mA mA A mA mA mA Average Temperature Coefficient of Input Offset Voltage Input Offset Current VIO/T IIO 1kHz f 20kHz, Input Referenced RS 10k VCC = 5V, RL = 10k, 0 TA +70C VID = +1V, VCC = 15V VID = -1V, VCC = 15V VID = -1V, VO = 200mV Note 5 VO = 0, RL = , 0 TA +70C Output Short-Circuit to GND Power Supply Current Note 4. The input common-mode voltage or either input signal voltage should not be allowed to go negative by more than 0.3V. The upper end of the common-mode voltage range is VCC-1.7V, but either or both inputs can goto +32V without damage. Note 5. Short circuit from the output to VCC can cause excessive heating and eventual destruction. Destructive dissipation can result from simultaneous shorts on all amplifiers. Pin Connection Diagram Output A Inverting Input A Non-Inverting Input A VEE (GND) 1 2 3 4 8 7 6 5 VCC Output B Inverting Input B Non-Inverting Input B NTE928M 8 5 .256 (6.52) Max 1 4 .393 (10.0) Max .150 (3.81) .300 (7.62) .100 (2.54) .300 (7.62) .070 (1.77) Min NTE928SM .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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