ICL7612DCBA

Overview

The ICL7612DCBA is a single-channel general-purpose operational amplifier manufactured by Renesas Electronics. It features a gain-bandwidth product of 1.4 MHz and a slew rate of 1.6 V/µs. The device operates with an input bias current of 50 pA and an input offset voltage of 15 mV. Supply voltage ranges from 1 V to 8 V (single) or ±1 V to ±8 V (dual). Quiescent current is 1 mA, with an output current capability of 40 mA per channel. Common-mode rejection ratio is 70 dB, and power supply rejection ratio is 70 dB. Input voltage noise density is 100 nV/√Hz, and input current noise density is 10 fA/√Hz. It is housed in an SOIC-8 package.

Feature Summary

• Monolithic CMOS design providing ultra-low input bias current for high source impedance applications
• Rail-to-rail output swing capability operating within millivolts of supply voltages
• Wide supply voltage range supporting both single and dual power configurations

Applications

• Long time constant integrators
• Picoammeters
• Low droop rate sample/hold amplifiers
• pH meters
• Photodiode amplifiers

Procurement Notes

Verify the specific suffix against official Renesas documentation to confirm pinout compatibility and electrical tolerances. Ensure the component matches the required industrial temperature range and package specifications for your circuit design. Cross-reference datasheet revisions to confirm RoHS compliance status and manufacturing origin details before finalizing procurement orders.

Selection Notes

Select this component when low input bias current and wide supply voltage flexibility are required. It serves as a suitable replacement for legacy Maxim Integrated versions within the ICL761X family. Consider the 1.4 MHz bandwidth and 1.6 V/µs slew rate for moderate speed signal conditioning tasks requiring high input impedance.

Part Context

This part belongs to the ICL761X–ICL764X family of monolithic CMOS operational amplifiers. Originally developed by Intersil and now produced by Renesas Electronics, these devices are known for combining ultra-low input current with low-power operation. The family maintains industry-standard pinouts to facilitate drop-in replacements for existing designs.

Replacement Considerations

The ICL7612DCSA-T is a verified substitute part number within the same family, offering identical functionality in a tape-and-reel packaging format.