ADA4858-3ACPZ-R7

Overview

The ADA4858-3ACPZ-R7 is a single-supply, high-speed triple current feedback operational amplifier featuring an integrated charge pump. It operates on supply voltages from 3 V to 5.5 V and generates negative rails (−2 V at 3.3 V; −3 V at 5 V) for video applications. Key specifications include a 600 MHz bandwidth, 600 V/µs slew rate, and 18 ns settling time. The device consumes 42 mA total quiescent current and includes a power-down feature reducing consumption to 2.5 mA. It is housed in a 16-lead LFCSP package.

Feature Summary

• Integrated charge pump eliminates the need for external negative supplies
• High-speed current feedback architecture with 600 MHz bandwidth
• Power-down pin reduces total quiescent current significantly
• Wide input common-mode voltage range extending below ground

Applications

• Professional video signal processing
• Consumer video equipment
• Imaging systems
• Active filter circuits

Procurement Notes

Verify the specific ordering suffix R7 corresponds to the reel packaging configuration required for your assembly line. Confirm that the LFCSP-16 exposed pad connection to ground is properly implemented in the PCB layout to ensure thermal performance and electrical grounding as specified in the datasheet.

Selection Notes

Select this component when a single-supply solution is required for SD or HD video applications without external negative voltage generation. Consider the 600 V/µs slew rate and low differential gain error for high-fidelity signal transmission. Ensure the application can accommodate the 1 µF capacitors required for the internal charge pump operation near the C1 and CPO pins.

Part Context

This part belongs to the ADA4858 series of high-speed amplifiers manufactured by Analog Devices Inc. It is specifically designed as a triple amplifier variant within this family, offering three independent channels in a compact footprint. The series targets professional and consumer video markets requiring high dynamic range and low distortion.

Replacement Considerations

Public confirmed substitute part numbers are not available in the provided documentation.