ADA4896-2ACPZ-R2

Overview

The ADA4896-2ACPZ-R2 is a dual, unity-gain stable, low noise, rail-to-rail output, high-speed voltage feedback amplifier manufactured by Analog Devices Inc. It operates on a supply voltage range of 3 V to 10 V with a quiescent current of 3 mA per amplifier. The device features a -3 dB bandwidth of 230 MHz at G = +1 and a slew rate of 120 V/μs. Input offset voltage is typically 28 μV with a maximum of 500 μV. It settles to 0.1% in 45 ns and offers an open-loop gain of 110 dB. The component is housed in an 8-lead LFCSP package.

Feature Summary

• Rail-to-rail output stage designed for heavy feedback loads
• Low wideband noise with 1 nV/√Hz input voltage noise density
• High speed performance including 230 MHz bandwidth and 120 V/μs slew rate
• Extended industrial temperature operation from −40°C to +125°C

Applications

• Ultrasound amplifiers
• Low noise preamplifiers
• PLL loop filters
• High performance ADC drivers
• DAC buffers

Procurement Notes

Verify the specific ordering suffix R2 against official documentation to confirm reel quantity and packaging specifications. Ensure the selected package variant matches the required PCB footprint and thermal dissipation characteristics. Cross-reference the manufacturer part number with authorized distributors to confirm availability and authenticity before procurement.

Selection Notes

Select this component for applications requiring high dynamic range, precision, and high speed within a low power constraint. The device is suitable for systems needing rail-to-rail output swing and minimal power penalty. Consider the 8-lead LFCSP package for compact designs requiring efficient heat dissipation compared to other available packages.

Part Context

The ADA4896-2 is part of a family of low noise amplifiers fabricated on Analog Devices' proprietary next-generation SiGe bipolar process. This technology enables high performance metrics such as low 1/f noise and high bandwidth. The dual configuration provides two independent amplifiers in a single package, sharing common supply pins.

Replacement Considerations

ADA4896-2ACPZ-R7

FAQ

Is the ADA4896-2 unity-gain stable?

Yes, the ADA4896-2 is a unity-gain stable voltage feedback amplifier.

What is the input 1/f noise specification?

The input 1/f noise is 2.4 nV/√Hz at 10 Hz.