AD8012AR

Instrumentation, Op Amps, Buffer Amps Overview

The AD8012AR is a dual, low power, current feedback amplifier from Analog Devices Inc. It provides 350 MHz bandwidth at unity gain while consuming only 1.7 mA per amplifier. The device features a 2,250 V/µs slew rate and 20 ns settling time to 0.1%. It operates on single supplies from 3 V to 12 V or dual supplies of ±1.5 V to ±6 V. Key specifications include 125 mA output current, 1.5 mV input offset voltage, and 2.5 nV/√Hz voltage noise density.

Instrumentation, Op Amps, Buffer Amps Feature Summary

• Dual channel current feedback architecture designed for high frequency and wide dynamic range applications.
• Low power consumption with 1.7 mA supply current per amplifier, suitable for battery-powered systems.
• High output drive capability delivering up to 125 mA per channel.
• Excellent video specifications including low differential gain error and phase error.

Instrumentation, Op Amps, Buffer Amps Applications

• XDSL and HDSL line drivers
• ADC buffers
• Professional cameras and CCD imaging systems
• Ultrasound equipment

Instrumentation, Op Amps, Buffer Amps Procurement Notes

Verify the specific package variant, as the AD8012 series includes both SOIC-8 and MSOP-8 options. Confirm RoHS compliance status, as indicated by the 'Z' suffix in related part numbers like AD8012ARZ. Ensure the ordering suffix matches the required tape and reel or tube packaging format for your manufacturing process.

Instrumentation, Op Amps, Buffer Amps Selection Notes

Select this component when high speed and low power are critical constraints. The current feedback topology ensures bandwidth stability across varying gains compared to voltage feedback amplifiers. Consider the 125 mA output current for driving heavy loads directly. Verify thermal dissipation requirements against the maximum power derating curves for the chosen package type.

Instrumentation, Op Amps, Buffer Amps Part Context

The AD8012 belongs to Analog Devices' family of high-speed operational amplifiers. It utilizes a complementary twin-gain stage design to achieve high bandwidth and low distortion without excessive quiescent current. This architecture distinguishes it from traditional single-stage complementary mirror structures, offering better performance in high-frequency signal processing tasks.

Instrumentation, Op Amps, Buffer Amps Replacement Considerations

Check the Ordering Guide for direct package alternatives such as AD8012ARMZ for MSOP packaging. Evaluate other members of the AD801x series if pin compatibility or specific performance trade-offs are required.