ADC12034CIWM/NOPB

Analog To Digital Converters (ADC) Overview

The ADC12034CIWM/NOPB is a self-calibrating 12-bit plus sign successive approximation analog-to-digital converter (ADC) featuring a four-channel multiplexer and sample/hold function. It operates on a single +5V supply with a maximum power consumption of 33 mW. The device supports serial I/O compatible with MICROWIRE, allowing for variable resolution and conversion rates. Key electrical specifications include a maximum throughput time of 14 µs, an integral linearity error of ±1 LSB after auto-calibration, and an operating temperature range from -40°C to +85°C.

Analog To Digital Converters (ADC) Feature Summary

• Self-calibrating architecture adjusts linearity, zero, and full-scale errors to less than ±1 LSB
• Four-channel differential or single-ended multiplexer with analog input sample/hold
• MICROWIRE-compatible serial I/O interface with programmable acquisition time
• Variable digital output word length and format options

Analog To Digital Converters (ADC) Applications

• Medical instruments
• Process control systems
• Test equipment

Analog To Digital Converters (ADC) Procurement Notes

Verify component authenticity through authorized Texas Instruments distributors or certified suppliers. Confirm the presence of the NOPB suffix indicating RoHS compliance and lead-free construction. Ensure the package matches the specified SOIC-16 wide body form factor. Check for obsolescence status as some devices in this family may be discontinued.

Analog To Digital Converters (ADC) Selection Notes

Select the ADC12034 variant specifically when four analog input channels are required. Choose this model over the ADC12030 if channel count exceeds two. Verify that the system clock frequency does not exceed 5 MHz for the ADC12030 family. Ensure external reference voltage requirements align with the 1V to 5V range specification.

Analog To Digital Converters (ADC) Part Context

This component belongs to the ADC1203x family of 12-bit SAR ADCs. It shares architectural similarities with the ADC12030, ADC12032, and ADC12038 models. The primary distinction lies in the number of multiplexer channels, with this part providing four inputs compared to two or eight in other variants.

Analog To Digital Converters (ADC) Replacement Considerations

Direct substitutes within the same family include the ADC12030, ADC12032, and ADC12038, provided channel counts match application needs. Cross-family replacements require verification of pin compatibility and performance parameters.