AFE5851IRGCR

Analog Front End (AFE) Overview

The AFE5851IRGCR is a Texas Instruments analog frontend featuring 16 channels with integrated variable gain amplifiers and 12-bit analog-to-digital converters. It operates on dual power supplies ranging from 1.7V to 1.9V for digital logic and 3V to 3.6V for analog circuits, with a maximum supply voltage of 1.9V and 3.6V respectively. The device supports a sampling rate of 65 MSPS and delivers a typical power consumption of 633 mW. Packaged in a 64-VQFN (9x9 mm) surface-mount format, it functions within an industrial temperature range of -40°C to +85°C.

Analog Front End (AFE) Feature Summary

• Integrates 16 independent signal paths with VGA and 12-bit ADCs
• Supports high-speed data acquisition at 65 MSPS sampling rate
• Operates on split power rails: 1.7-1.9V digital and 3-3.6V analog
• Compact 64-pin VQFN package optimized for space-constrained designs

Analog Front End (AFE) Applications

• Ultrasonic non-destructive testing systems
• Medical imaging front-end signal processing
• Industrial sensor interface modules

Analog Front End (AFE) Procurement Notes

Verify the suffix 'R' indicates tape-and-reel packaging when sourcing. Confirm RoHS compliance status as specified in the manufacturer datasheet. Ensure ESD handling protocols are followed due to the exposed pad thermal design of the VQFN package. Cross-reference the specific revision level against the latest TI documentation to ensure pinout compatibility.

Analog Front End (AFE) Selection Notes

Select this component when a multi-channel solution with integrated amplification and digitization is required. The 12-bit resolution suits applications needing moderate dynamic range without external ADCs. Verify that the 65 MSPS aggregate or per-channel speed meets system bandwidth requirements. Consider the dual-supply architecture for noise isolation between digital and analog sections.

Analog Front End (AFE) Part Context

This part belongs to the AFE5851 family of analog frontends designed for high-channel-count data acquisition. It serves as a direct integration point for replacing discrete amplifier and ADC chains. The IRGCR variant specifically denotes the reel-packaged version of the standard AFE5851 device, facilitating automated assembly processes.

Analog Front End (AFE) Replacement Considerations

Check for AFE5851EVM evaluation module availability for design validation. No direct cross-model substitutes are listed in the provided documentation; verify pin-to-pin compatibility with other TI AFE series if migration is necessary.