AD812ANZ

Overview

The AD812ANZ is a dual low power current feedback operational amplifier manufactured by Analog Devices Inc. It features a gain bandwidth product of 145 MHz and delivers an output current of 50 mA per channel. The device operates with a supply voltage range from 2.4 V to 36 V and consumes 4.5 mA of quiescent current. Input characteristics include a bias current of 38 uA and an offset voltage of 2 mV. It provides a common mode rejection ratio of 58 dB and a power supply rejection ratio of 80 dB. The component is housed in an SOIC-8 package and functions within a temperature range of -40°C to +85°C.

Feature Summary

• Dual-channel architecture designed for low power consumption applications
• Current feedback topology enabling high-speed signal processing
• Wide single-supply operating voltage capability

Applications

• Video buffering and amplification circuits
• High-speed data acquisition systems
• Portable instrumentation requiring low power operation

Procurement Notes

Verify the specific suffix ANZ against official Analog Devices documentation to confirm lead-free compliance and RoHS status. Confirm the package type matches the required SOIC-8 footprint. Ensure the manufacturer part number corresponds exactly to the dual-channel variant rather than other series members. Cross-reference the datasheet revision date to validate parameter accuracy before finalizing procurement specifications.

Selection Notes

Select this component when a dual-channel solution is required for video or high-speed analog signals with strict power constraints. The current feedback architecture offers superior slew rate performance compared to voltage feedback alternatives. Verify that the 50 mA output drive capability meets load requirements. Ensure the system operates within the specified 2.4 V to 36 V supply range for optimal performance.

Part Context

This component belongs to the AD812 family of video amplifiers produced by Analog Devices. The family focuses on providing high-speed performance with reduced power dissipation suitable for battery-operated devices. The AD812 series utilizes current feedback technology to achieve wide bandwidths while maintaining stability in various gain configurations typical of video signal chains.

Replacement Considerations

Consult official Analog Devices substitution guides for verified equivalents. Check pinout compatibility if replacing with similar current feedback amplifiers. Verify that alternative components meet the same 145 MHz gain bandwidth and 50 mA output current specifications.