ADA4898-1YRDZ

Overview

The ADA4898-1YRDZ is a single-channel, high-speed voltage feedback operational amplifier manufactured by Analog Devices Inc. It features ultralow noise of 0.9 nV/√Hz and ultralow distortion of −93 dBc at 500 kHz. The device operates with supply voltages ranging from ±4.5 V to ±16.5 V, providing a −3 dB bandwidth of 65 MHz and a slew rate of 55 V/µs. It includes a power-down pin for the single package, exhibits low input offset voltage (max 160 µV), and functions within an extended industrial temperature range of −40°C to +105°C.

Feature Summary

• Ultralow noise and distortion performance suitable for precision signal processing
• Unity-gain stable architecture with wide supply voltage flexibility
• Integrated power-down feature for efficient single-package operation
• Exposed metal paddle design for enhanced thermal dissipation

Applications

• Instrumentation systems
• Active filter circuits
• DAC buffers
• SAR ADC drivers
• Optoelectronics interfaces

Procurement Notes

Verify the specific ordering suffix YRDZ corresponds to the SOIC_N_EP (RD-8-4) package variant before procurement. Confirm that the power-down functionality aligns with system requirements, as this feature is exclusive to the single-channel configuration. Ensure PCB layout accommodates the exposed paddle for proper thermal management and electrical connection to the negative supply plane.

Selection Notes

Select the ADA4898-1YRDZ when designing circuits requiring both high speed and minimal noise in a single-channel format. The inclusion of a power-down pin offers distinct advantages over the dual-channel ADA4898-2 variant for power-sensitive applications. Consider the exposed pad requirement during PCB design to maximize thermal performance and ensure stability across the specified operating temperature range.

Part Context

This component belongs to the ADA4898 family of high-voltage, low-noise, unity-gain stable op amps. Designed for 16-bit and 18-bit systems, it utilizes a linear, low-noise input stage with internal compensation. The series supports wide supply ranges and features bias current cancellation circuits, making it versatile for demanding analog signal chain applications.

Replacement Considerations

The ADA4898-2YRDZ serves as the dual-channel equivalent within the same family. Verify if the additional channel is required or if the power-down pin remains necessary for the target application.