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S E M I C O N D U C T O R ICL7611, ICL7612 ICL76XX Series Low Power CMOS Operational Amplifiers Description 12 March 1993 Features · Wide Operating Voltage Range . . . . . . . . . . . .±1V to ±8V · High Input Impedance . . . . . . . . . . . . . . . . . . . . . .10 · Programmable Power Consumption . . . .Low as 20µW · Input Current Lower Than BIFIETs. . . . . . . . . . 1pA Typ · Output Voltage Swing . . . . . . . . . . . . . . . . . . . V+ and V· Input Common Mode Voltage Range Greater Than Supply Rails (ICL7612) The ICL761X/762X/764X series is a family of monolithic CMOS operational amplifiers. These devices provide the designer with high performance operation at low supply voltages and selectable quiescent currents, and are an ideal design tool when ultra low input current and low power dissipation are desired. The basic amplifier will operate at supply voltages ranging from ±1V to ±8V, and may be operated from a single Lithium cell. A unique quiescent current programming pin allows setting of standby current to 1mA, 100µA, or 10µA, with no external components. This results in power consumption as low as 20µW. The output swing ranges to within a few millivolts of the supply voltages. Of particular significance is the extremely low (1pA) input current, input noise current of 0.01pA/Hz, and 1012 input impedance. These features optimize performance in very high source impedance applications. The inputs are internally protected. Outputs are fully protected against short circuits to ground or to either supply. AC performance is excellent, with a slew rate of 1.6V/µs, and unity gain bandwidth of 1MHz at IQ = 1mA. Because of the low power dissipation, junction temperature rise and drift are quite low. Applications utilizing these features may include stable instruments, extended life designs, or high density packages. Applications · Portable Instruments · Telephone Headsets · Hearing Aid/Microphone Amplifiers · Meter Amplifiers · Medical Instruments · High Impedance Buffers Pinouts (See Ordering Information on Next Page) ICL7611, ICL7612 (PDIP, SOIC) TOP VIEW ICL7611, ICL7612 (METAL CAN) TOP VIEW IQ SET 8 BAL -IN +IN V1 2 3 4 + 8 7 6 5 IQ SET V+ OUT BAL -IN 2 BAL 1 + 3 4 V5 7 V+ 6 OUT +IN BAL CAUTION: These devices are sensitive to electrostatic discharge. Users should follow proper I.C. Handling Procedures. Copyright © Harris Corporation 1993 File Number 2919.1 2-670 ICL7611, ICL7612 Ordering Information PART NUMBER ICL7611ACPA ICL7611BCPA ICL7611DCPA ICL7611ACTV ICL7611BCTV ICL7611DCTV ICL7611AMTV ICL7611BMTV ICL7611DMTV ICL7611DCBA ICL7611DCBA-T ICL7612ACPA ICL7612BCPA ICL7612DCPA ICL7612ACTV ICL7612BCTV ICL7612DCTV ICL7612AMTV ICL7612BMTV ICL7612DMTV ICL7612DCBA ICL7612DCBA-T TEMPERATURE RANGE 0oC to +70oC 0 C to +70 C 0oC to +70oC 0 C to +70 C 0oC to +70oC 0 C to +70 C -55oC to +125oC -55 C to +125 C -55oC to +125oC 0 C to +70 C 0oC to +70oC 0 C to +70 C 0oC to +70oC 0 C to +70 C 0oC to +70oC 0 C to +70 C 0oC to +70oC -55 C to +1