MCP3462T-E/ST

Analog To Digital Converters (ADC) Overview

The MCP3462T-E/ST is a dual-channel, 16-bit Delta-Sigma Analog-to-Digital Converter (ADC) manufactured by Microchip Technology. It supports programmable data rates up to 153.6 ksps and analog gains ranging from 0.33x to 64x. The device operates with an analog supply voltage (AVDD) of 2.7V to 3.6V and a digital supply voltage (DVDD) of 1.8V to 3.6V. Key performance metrics include a Signal-to-Noise and Distortion Ratio (SINAD) of 97.2 dB and a Total Harmonic Distortion (THD) of -116 dBc at a gain of 1x and 4800 SPS. It features low noise characteristics, with 3.2 µVRMS noise at 16x gain and 9600 SPS.

Analog To Digital Converters (ADC) Feature Summary

• Dual differential or four single-ended input channels with 16-bit resolution
• Programmable data rate up to 153.6 ksps and gain from 0.33x to 64x
• Advanced security features including 16-bit CRC for SPI communications and register map lock
• Internal temperature sensor and burnout current sources for sensor diagnostics

Analog To Digital Converters (ADC) Applications

• Precision sensor transducers and transmitters for pressure, strain, flow, and force measurement
• Factory automation and process control systems
• Portable instrumentation requiring high accuracy
• Temperature measurement applications

Analog To Digital Converters (ADC) Procurement Notes

Verify the component authenticity through authorized Microchip distributors. Confirm that the ordering suffix 'E' indicates the extended temperature range (-40°C to +125°C) and '/ST' denotes the 20-lead TSSOP package. Ensure the specific revision of the datasheet DS20006180D matches the production batch requirements for critical design implementations.

Analog To Digital Converters (ADC) Selection Notes

Select the MCP3462 variant specifically when two differential or four single-ended channels are required; use MCP3461 for single-channel or MCP3464 for quad/dual-channel needs. Consider the internal oscillator versus external clock options based on system jitter requirements. Evaluate the power consumption profiles across different boost settings if battery life is a constraint in portable designs.

Analog To Digital Converters (ADC) Part Context

This component belongs to the MCP3461/2/4 family of 16-bit Delta-Sigma ADCs. The '2' in the model number identifies it as the dual-channel version within this series. It shares architectural similarities with higher-resolution counterparts like the MCP3561 but offers a balance between speed, resolution, and cost for general-purpose precision applications.

Analog To Digital Converters (ADC) Replacement Considerations

Publicly confirmed substitute part numbers are not available in the provided documentation. Designers should verify pin compatibility and register mapping if considering alternative manufacturers' devices with similar specifications.