ADC121S021CISD/NOPB

Analog To Digital Converters (ADC) Overview

The ADC121S021CISD/NOPB is a single-channel, 12-bit analog-to-digital converter (ADC) manufactured by Texas Instruments. It supports sampling rates ranging from 50 kSPS to 200 kSPS. The device features an I²C-compatible serial interface for data output and control. It operates with a supply voltage range of 2.7 V to 5.5 V. The component is housed in a small SC-70 package, designated as the 'SD' suffix, suitable for space-constrained printed circuit board layouts.

Analog To Digital Converters (ADC) Feature Summary

• Integrates a successive approximation register (SAR) architecture for efficient single-ended signal conversion.
• Provides flexible power management through multiple shutdown modes to minimize current consumption during idle periods.
• Includes internal reference and clock circuits to reduce external component count and simplify design implementation.

Analog To Digital Converters (ADC) Applications

• Portable battery-powered instrumentation
• Industrial process control systems
• Medical equipment requiring low-power data acquisition

Analog To Digital Converters (ADC) Procurement Notes

Verify the complete part number including the tape-and-reel or tube packaging suffix if applicable. Confirm the temperature grade matches the specific industrial or commercial requirement. Ensure the I²C address configuration aligns with the system bus topology. Check for any recent lifecycle status updates regarding production availability.

Analog To Digital Converters (ADC) Selection Notes

Select this component when a single-channel conversion with moderate speed and high resolution is required. Compare against the ADC101S021 series if 10-bit resolution suffices for lower cost. Consider the ADC128S052 family if multiple channels are needed instead of a single input. Verify that the SC-70 package size fits the mechanical constraints of the target enclosure.

Analog To Digital Converters (ADC) Part Context

This model belongs to the ADC121S02x family of single-channel SAR ADCs. It shares architectural similarities with the ADC101S021 and ADC081S051 series but offers higher resolution. The device complements Texas Instruments' portfolio of low-power data converters designed for embedded applications.

Analog To Digital Converters (ADC) Replacement Considerations

The ADC121S021CIMT/NOPB serves as a pin-compatible alternative in a different package type. The ADC121S021CISS/NOPB offers the same functionality in a slightly different footprint. Verify electrical specifications match before substituting these variants.