AMC1203BPSA

Analog To Digital Converters (ADC) Overview

The AMC1203BPSA is a 1-bit, 10MHz, second-order isolated delta-sigma modulator manufactured by Texas Instruments. It features a single channel with differential input and serial interface. The device operates on analog and digital supply voltages ranging from 4.5V to 5.5V. Key performance metrics include a sampling rate of 40kS/s, power consumption of 80mW, and maximum power dissipation of 110mW. It achieves an SNR of 85dB and SFDR of 95dB. The component supports an internal reference voltage of 2.5V, exhibits INL of 6LSB, and functions within a temperature range of -40°C to +105°C in an SOP-8 package.

Analog To Digital Converters (ADC) Feature Summary

• Provides galvanic isolation for signal transmission between high-voltage and low-voltage domains
• Integrates a second-order sigma-delta modulation architecture for noise shaping
• Includes an internal reference voltage source to simplify external circuitry

Analog To Digital Converters (ADC) Applications

• Industrial process control systems requiring isolated measurement
• Motor drive current sensing applications
• Medical equipment with safety isolation requirements

Analog To Digital Converters (ADC) Procurement Notes

Verify the specific suffix BPSA against official documentation to confirm pinout and electrical characteristics match design requirements. Confirm active status and lead times through authorized distributors. Ensure ESD handling protocols are followed during assembly due to moisture sensitivity classification.

Analog To Digital Converters (ADC) Selection Notes

Select this component when high-speed isolation at 10MHz is required alongside moderate resolution via downstream decimation filtering. Compare against other AMC120x variants based on package type and specific isolation voltage ratings. Verify that the serial interface timing aligns with the host microcontroller capabilities.

Analog To Digital Converters (ADC) Part Context

This part belongs to the AMC1203 family of isolated delta-sigma modulators. It shares core architectural similarities with variants like the AMC1203DUB and AMC1203DW but differs in packaging and potentially specific qualification grades. The family targets applications needing robust isolation without complex external calibration.

Analog To Digital Converters (ADC) Replacement Considerations

Direct substitutes within the same family include AMC1203DUB and AMC1203DW. Verify pin compatibility and thermal performance before substitution. Other isolated ADC families may require significant schematic redesign.