ADS7142IRUGT

Analog To Digital Converters (ADC) Overview

The ADS7142IRUGT is a nanopower analog-to-digital converter (ADC) manufactured by Texas Instruments. It features a 12-bit resolution and supports sampling rates up to 140 kSPS. The device integrates a dual-channel analog multiplexer, a SAR ADC core, and an I2C digital interface. It operates on a single supply voltage ranging from 1.65 V to 3.6 V for both analog and digital domains. The component is housed in a compact 10-X2QFN package measuring 2x1.5 mm. It functions as a programmable sensor monitor with internal data buffering and event-triggered interrupt capabilities.

Analog To Digital Converters (ADC) Feature Summary

• Integrates a dual-channel analog multiplexer preceding the SAR ADC for efficient signal monitoring
• Features a digital window comparator with programmable thresholds and hysteresis for autonomous event detection
• Includes an internal data buffer to capture sensor data during host processor sleep states
• Supports I2C communication interface with configurable addresses and high-speed modes

Analog To Digital Converters (ADC) Applications

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

Analog To Digital Converters (ADC) Procurement Notes

Verify the specific suffix IRUGT against the manufacturer datasheet to confirm the tape and reel packaging configuration. Ensure the operating temperature range of -40°C to +125°C aligns with the target application environment. Confirm that the 10-X2QFN footprint matches the PCB design constraints. Validate I2C address settings and voltage levels for system compatibility.

Analog To Digital Converters (ADC) Selection Notes

Select this component when a dual-channel solution with integrated multiplexing is required for battery-powered applications. The 12-bit resolution and 140 kSPS rate suit moderate-speed sensing tasks. Consider the 900 nW autonomous monitoring capability for systems needing extended standby times. Verify that the I2C interface meets the host controller's speed requirements.

Analog To Digital Converters (ADC) Part Context

The ADS7142 belongs to the ADS714x family of nanopower SAR ADCs designed specifically for sensor monitoring. Unlike general-purpose ADCs, it includes built-in comparators and event counters to reduce host CPU intervention. The IRUGT variant denotes the industrial temperature grade and specific QFN packaging, distinguishing it from automotive or other package options within the same functional family.

Analog To Digital Converters (ADC) Replacement Considerations

Publicly confirmed substitute part numbers are not available in the provided documentation. Evaluate other members of the ADS714x family or similar TI nanopower ADCs based on channel count and interface compatibility.