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ADS7138 Datasheet 12-Bit ADC

Manufacturer: Texas Instruments

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General Description

The ADS7138 is an easy-to-use, 8-channel, multiplexed, 12-bit, successive approximation register analog-to-digital converter (SAR ADC).

The eight channels can be independently configured as either analog inputs, digital inputs, or digital outputs.

The device has an internal oscillator for ADC conversion processes.

Overview

Product Folder Order Now Technical Documents Tools & Software Support & Community ADS7138 SBAS976A – MAY 2019 – REVISED MAY 2020 ADS7138 Small, 8-Channel, 12-Bit ADC With I2C Interface, GPIOs, and CRC.

Key Features

  • 1 Small package size:.
  • 3-mm × 3-mm WQFN.
  • 8 channels configurable as any combination of:.
  • Up to 8 analog inputs, digital inputs, or digital outputs.
  • GPIOs for I/O expansion:.
  • Open-drain, push-pull digital outputs.
  • Analog watchdog:.
  • Programmable thresholds per channel.
  • Event counter for transient rejection.
  • Wide operating ranges:.
  • AVDD: 2.35 V to 5.5 V.
  • DVDD: 1.65 V to 5.5 V.

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