ADS7142IRUGR

Analog To Digital Converters (ADC) Overview

The ADS7142IRUGR is a nano-power, dual-channel analog-to-digital converter (ADC) manufactured by Texas Instruments. It features a resolution of 12 bits and supports a maximum sampling rate of 140 kSPS. The device operates within an analog supply voltage range of 1.65 V to 3.6 V and includes an internal data buffer for host sleep mode support. It utilizes an I2C interface with speeds up to 3.4 MHz. The component is housed in a 10-pin X2QFN package measuring 1.5 mm x 2.0 mm and functions across a temperature range of -40°C to +125°C.

Analog To Digital Converters (ADC) Feature Summary

• Integrates a dual-channel analog multiplexer with a SAR ADC and internal data buffer for autonomous monitoring
• Features programmable high/low thresholds and hysteresis via digital window comparators for event-triggered interrupts
• Supports independent sensor configuration and calibration to improve offset and drift performance
• Enables efficient host power management through low-power autonomous monitoring and data buffering during host sleep

Analog To Digital Converters (ADC) Applications

• IoT sensor nodes requiring low-power continuous monitoring
• Gas, heat, PIR motion, and smoke detectors
• Preventive maintenance systems for elevators, escalators, HVAC, and industrial equipment
• Wearable electronic devices

Analog To Digital Converters (ADC) Procurement Notes

Verify the specific suffix 'RG4' against the manufacturer's current datasheet to confirm pinout compatibility and RoHS status. Ensure the ordering part number matches the exact package variant required for your PCB footprint. Confirm availability through authorized distributors as stock levels fluctuate. Validate that the I2C address configuration meets your system's addressing requirements before finalizing procurement.

Analog To Digital Converters (ADC) Selection Notes

Select this component when designing battery-powered or space-constrained applications requiring dual-channel sensing with minimal active power consumption. It is suitable for systems needing autonomous threshold monitoring without constant CPU intervention. Consider the 12-bit resolution and 140 kSPS speed for moderate precision requirements. Verify that the I2C interface aligns with the host microcontroller's capabilities and that the 1.65 V to 3.6 V supply range matches the system power rails.

Analog To Digital Converters (ADC) Part Context

The ADS7142 belongs to Texas Instruments' ADS714x family of nano-power sensor monitors. This series is designed to bridge the gap between simple analog comparators and full-featured ADCs, offering programmability and digital interfaces. The IRUGR designation indicates the industrial temperature grade and the specific reel packaging format used for surface-mount assembly.

Analog To Digital Converters (ADC) Replacement Considerations

Publicly confirmed substitute part numbers are not available in the provided documentation. Consult the manufacturer's datasheet for recommended alternatives within the same product family or similar nano-power ADC series.