ICL7612DCSA+

Overview

The ICL7612DCSA+ is a single-channel monolithic CMOS operational amplifier from the ICL761X family. It features an extended common-mode voltage range, allowing inputs to swing below the negative supply rail. The device operates on dual supplies from ±1V to ±8V or single supplies from 2V to 16V. Key electrical parameters include a typical input bias current of 1pA and a maximum input offset voltage of 15mV. It utilizes an 8-pin SOIC package and supports programmable quiescent currents.

Feature Summary

• Monolithic CMOS design providing ultra-low input bias current for high-impedance source applications
• Extended common-mode voltage range capability for inputs extending beyond the negative supply rail
• Pin-selectable quiescent current options to balance power consumption against bandwidth and slew rate performance

Applications

• Long-time constant integrators
• Picoammeters
• Low-leakage amplifiers
• Low-frequency active filters

Procurement Notes

Verify that the specific suffix 'SA' corresponds to the 8-pin Small Outline package and '+' indicates lead-free compliance as per manufacturer documentation. Confirm the temperature grade associated with the 'D' suffix matches the required operating environment. Ensure pinout compatibility with existing designs before finalizing procurement.

Selection Notes

Select this component when low input bias current and extended common-mode range are critical requirements. Consider the trade-off between quiescent current settings and available bandwidth. Verify that the 8-pin SOIC package dimensions fit the target PCB layout constraints. Ensure the supply voltage range aligns with the system's power architecture.

Part Context

This part belongs to the ICL761X–ICL764X family of low-power CMOS operational amplifiers. The family includes single, dual, triple, and quad variants. The ICL7612 specifically denotes a single-channel configuration within this series, designed for precision analog signal processing tasks requiring minimal power draw and high input impedance.

Replacement Considerations

Check for pin-for-pin second sources listed in official documentation. Verify if alternative packages (e.g., DIP) offer identical electrical characteristics. Ensure any substitute maintains the extended common-mode voltage range specification.