ADA4857-1YRZ-R7

Overview

The Analog Devices ADA4857-1YRZ-R7 is a high-speed, voltage feedback operational amplifier featuring ultralow distortion and low noise characteristics. It operates within a supply voltage range of 4.5 V to 10.5 V and delivers an 850 MHz bandwidth at unity gain with a 2800 V/μs slew rate. The device incorporates a power-down feature for reduced consumption and settles to 0.1% in 15 ns. Packaged in an 8-lead SOIC, it supports extended industrial temperatures from -40°C to +125°C.

Feature Summary

• High-speed performance with 850 MHz bandwidth and 2800 V/μs slew rate
• Ultralow harmonic distortion ensuring high signal fidelity
• Integrated power-down pin for efficient energy management
• Low input voltage noise density for precision applications

Applications

• Instrumentation systems
• IF and baseband amplifiers
• Active filters
• ADC drivers
• DAC buffers

Procurement Notes

Verify the specific ordering suffix matches the required package type and reel configuration. Confirm that the component meets all applicable RoHS compliance standards before integration. Ensure the supplier provides valid traceability documentation. Cross-reference the datasheet revision to confirm parameter accuracy against your design requirements.

Selection Notes

Select this amplifier for designs requiring high dynamic range and speed. Consider the 8-lead SOIC package for standard surface-mount assembly. Evaluate thermal dissipation needs based on the operating ambient temperature. Verify that the load impedance and capacitive drive requirements align with the stability specifications provided in the datasheet.

Part Context

This component belongs to the ADA4857 family of high-speed operational amplifiers manufactured by Analog Devices. The series utilizes proprietary XFCB process technology to achieve superior linearity and speed. The single-channel variant is designed for compact layouts while maintaining robust performance across varying supply voltages.

Replacement Considerations

Direct replacements include the ADA4857-1YCPZ-R7 (LFCSP package) or the dual-channel ADA4857-2YCPZ-R7. Verify pin compatibility and thermal resistance differences when substituting packages.