CA3080AM

Instrumentation, Op Amps, Buffer Amps Overview

The CA3080AM is a high-performance operational transconductance amplifier (OTA) manufactured by Rochester Electronics. It features a differential input and a single-ended, push-pull class A output stage. The device offers a slew rate of 50V/µs with unity gain compensation and supports flexible supply voltage ranges from ±2V to ±15V. Its transconductance is directly proportional to the amplifier bias current, enabling fully adjustable gain control. The component is housed in an 8-pin plastic DIP package.

Instrumentation, Op Amps, Buffer Amps Feature Summary

• Operational transconductance amplifier architecture with differential input and single-ended push-pull output
• Adjustable power consumption ranging from 10µW to 30µW for efficient operation
• Flexible supply voltage range supporting dual supplies from ±2V to ±15V
• Fully adjustable gain controlled via amplifier bias input for linear or gating applications

Instrumentation, Op Amps, Buffer Amps Applications

• Sample and hold circuits requiring precise charge storage and transfer
• Analog multipliers utilizing the linear relationship between transconductance and bias current
• Multiplexer systems leveraging the gatable gain block functionality
• High-speed comparators benefiting from the 50V/µs slew rate
• Voltage follower configurations using the single-ended output stage

Instrumentation, Op Amps, Buffer Amps Procurement Notes

Verify the specific suffix 'AM' against official manufacturer documentation to confirm pinout compatibility and electrical tolerances. Ensure the source document is a complete datasheet from Rochester Electronics or an authorized licensee. Cross-reference the part number with Intersil legacy specifications if historical design continuity is required for existing systems.

Instrumentation, Op Amps, Buffer Amps Selection Notes

Select this component when variable transconductance control is required rather than fixed-gain amplification. The CA3080AM is suitable for designs needing wide dynamic range gain adjustment through bias current modulation. Consider the bipolar technology characteristics and the need for external frequency compensation if stability issues arise in high-frequency applications.

Instrumentation, Op Amps, Buffer Amps Part Context

The CA3080 series originates from the operational transconductance amplifier lineage established by National Semiconductor and later acquired by Intersil. Rochester Electronics currently provides lifecycle support for these legacy components. The device represents a specialized analog building block distinct from standard voltage-feedback operational amplifiers, focusing on current-mode signal processing capabilities.

Instrumentation, Op Amps, Buffer Amps Replacement Considerations

Official substitute part numbers are not confirmed in the available documentation. Verify compatibility with CA3080A variants regarding transconductance spread and offset specifications before implementation.