LTC6563IUDDM#TRPBF

Overview

The LTC6563IUDDM#TRPBF is a low-noise four-channel transimpedance amplifier with 600MHz bandwidth. It features selectable transimpedance gains of 22.2kΩ, 16.7kΩ, 11.1kΩ, and 5.55kΩ, providing a 90µA linear input current range. The device includes an internal 4-to-1 multiplexer and a built-in high-speed differential ADC driver capable of swinging up to 2VP-P into a 100Ω load. Power dissipation ranges from 194mW to 325mW on a 3.3V supply.

Feature Summary

• Integrates a 4-to-1 output multiplexer for simplified system design
• Features fast overload recovery and rapid channel switching capabilities
• Includes a built-in high-speed differential ADC driver stage
• Supports external multiplexing expansion for multi-channel configurations

Applications

• Automotive LIDAR receivers
• Industrial LIDAR receivers
• Systems utilizing Avalanche photodiodes (APDs)
• Photodiode (PD) signal conditioning circuits

Procurement Notes

Verify the specific suffix #TRPBF indicates tape and reel packaging when ordering. Confirm the 'I' grade designation matches the required operating temperature range of –40°C to 85°C for your application environment. Ensure compatibility with the 3mm × 5mm QFN package footprint during PCB layout.

Selection Notes

Select this component for applications requiring wide dynamic range and low noise in optical sensing. The adjustable gain settings allow optimization for varying signal levels. Consider the power consumption differences across output modes when designing thermal management solutions for dense arrays.

Part Context

This part belongs to the LTC6563 family of four-channel transimpedance amplifiers designed for high-speed optical detection. It is specifically engineered to interface directly with APDs and PDs in demanding environments. The device simplifies front-end electronics by integrating multiplexing and driving stages within a compact package.

Replacement Considerations

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