AD9632AR-REEL7

Overview

The AD9632AR-REEL7 is a wide bandwidth, ultralow distortion voltage feedback operational amplifier manufactured by Analog Devices Inc. It operates with ±3 V to ±5 V supplies and draws 17 mA of quiescent current. The device features a small signal bandwidth of 250 MHz and a large signal bandwidth of 180 MHz at gains of +2 or greater. It provides a slew rate of 1300 V/µs and settles to 0.01% in 16 ns for a 2 V step. The input voltage noise density is 7.0 nV/√Hz, and it offers a third-order intercept of 46 dBm at 25 MHz. Packaged in an SOIC-8 format, it supports industrial temperature ranges from -40°C to +85°C.

Feature Summary

• Voltage feedback architecture providing predictable operation and high phase margin.
• Ultralow harmonic distortion and low spectral noise density for high-fidelity signal processing.
• High-speed transient response with fast settling times suitable for precision applications.
• Balanced high-impedance inputs allowing flexibility in active filter design.

Applications

• ADC input driver
• Differential amplifiers
• IF/RF amplifiers
• Pulse amplifiers
• DAC current to voltage conversion

Procurement Notes

Verify the specific package type and reel configuration against the official datasheet before ordering. Confirm that the application circuit maintains stability at the intended closed-loop gain, as this model requires a gain of 2 or greater for optimal performance. Ensure power supply bypassing meets the recommended specifications to maintain signal integrity.

Selection Notes

Select this component when a voltage feedback topology is preferred over current feedback designs due to its predictability and ease of use in complex filter networks. It is suitable for applications requiring high linearity and wide bandwidth without sacrificing the stability characteristics associated with classical op amp structures.

Part Context

This part belongs to the AD9631/AD9632 family of high-speed amplifiers designed to bridge the performance gap between traditional voltage and current feedback architectures. While the AD9631 variant is unity-gain stable, the AD9632 is optimized for gains of two or higher, offering enhanced large-signal bandwidth and distortion performance for demanding analog signal chain requirements.

Replacement Considerations

The AD9631 serves as a functional alternative within the same family if unity-gain stability is required. Designers should verify pin compatibility and ensure that the target application does not rely on the specific gain-stability profile unique to the AD9632.

FAQ

Is the AD9632AR-REEL7 stable at unity gain?

No, the AD9632 is stable only at gains of 2 or greater. For unity-gain stability, the AD9631 variant should be used.

What is the maximum supply voltage range for this device?

The device supports dual supply voltages ranging from ±3 V to ±5 V.