AMC1203DWR

Analog To Digital Converters (ADC) Overview

The AMC1203DWR is a second-order isolated delta-sigma modulator manufactured by Texas Instruments. It features a 1-bit output operating at a high data rate of 20 MHz, designed for precision current-shunt measurement applications. The device provides galvanic isolation between the analog input and digital output stages, ensuring signal integrity in noisy environments. It operates with a single 5V supply voltage and utilizes an 8-SOIC surface-mount package. The component supports a wide operating temperature range from -40°C to 105°C, making it suitable for industrial and automotive systems requiring robust isolation performance.

Analog To Digital Converters (ADC) Feature Summary

• Provides galvanic isolation for accurate current sensing
• High-speed 20 MHz delta-sigma modulation architecture
• Second-order noise shaping for improved resolution
• Single-supply operation simplifies power design

Analog To Digital Converters (ADC) Applications

• Current-shunt measurement in motor drives
• Isolated data acquisition systems
• Industrial process control instrumentation
• Power supply monitoring circuits

Analog To Digital Converters (ADC) Procurement Notes

Verify the specific suffix DWR against the manufacturer's official datasheet to confirm package type and thermal characteristics. Ensure compatibility with existing PCB footprint designs for the SOIC-8 package. Check for RoHS compliance status as per the latest production release notes before finalizing procurement orders.

Analog To Digital Converters (ADC) Selection Notes

Select this component when high-speed isolation is required for current sensing applications. Compare the 20 MHz data rate against lower-speed alternatives if system bandwidth allows. Consider the isolation voltage rating and common-mode transient immunity specifications relative to the target application's electrical environment requirements.

Analog To Digital Converters (ADC) Part Context

This part belongs to the AMC1203 family of isolated delta-sigma modulators. It serves as a bridge between low-voltage analog sensors and high-voltage digital processing units. The family is designed to replace traditional isolation amplifiers in modern compact electronic designs.

Analog To Digital Converters (ADC) Replacement Considerations

Check for AMC1203DR or AMC1203DBR variants which share the same functional core but differ in package style. Verify pinout compatibility before substituting with other isolated modulator families.