ADC128D818CIMTX

The ADC128D818CIMTX from Texas Instruments is a versatile 12-bit, 8-channel Analog-to-Digital Converter (ADC) system monitor. It utilizes a Delta-Sigma architecture and communicates via an I2C serial bus interface, offering compatibility with 9 selectable addresses and a time-out reset function to prevent bus lock-up.

This ADC operates with a supply voltage range of 3V to 5.5V for both analog and digital supplies. Key electrical specifications include a maximum sample rate of 0.82 kSPS, a pseudo-differential/single-ended input type, and multiplexed channel configuration. It supports both internal 2.56-V voltage reference and variable external references. The device also includes features like an oscillator and a temperature sensor, providing local temperature sensing capabilities with an accuracy of ±3°C over the -40°C to 125°C range.

Designed for system monitoring, the ADC128D818CIMTX includes watchdog and window comparators with status and mask registers for all measured values. It also features an INT output to notify microprocessors of errors. For power efficiency, individual channel shutdown and a deep shutdown mode are available, with typical power consumption at 2 mW and deep shutdown current at 10 µA.

The ADC128D818CIMTX is available in a 16-lead TSSOP package, measuring 5 mm × 6.4 mm with an area of 32 mm². This package type is suitable for surface mounting.