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AD7291 - 12-Bit SAR ADC

General Description

The AD7291 is a 12-bit, high speed, low power, 8-channel, successive approximation ADC with an internal temperature sensor.

Key Features

  • 12 bit SAR ADC 8 single-ended inputs Channel sequencer functionality Analog Input Range 0 to 2.5V 12-bit temperature-to-digital converter Temperature sensor accuracy of ±2°C typical Temperature range:.
  • 40°C to +125°C Specified for VDD of 2.8 V to 3.6V Logic Voltage VDRIVE = 1.65V to 3.6V Power-down current :.

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Full PDF Text Transcription (Reference)

The following content is an automatically extracted verbatim text from the original manufacturer datasheet and is provided for reference purposes only.

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Preliminary Technical Data FEATURES 12 bit SAR ADC 8 single-ended inputs Channel sequencer functionality Analog Input Range 0 to 2.5V 12-bit temperature-to-digital converter Temperature sensor accuracy of ±2°C typical Temperature range: −40°C to +125°C Specified for VDD of 2.8 V to 3.6V Logic Voltage VDRIVE = 1.65V to 3.6V Power-down current : <10 µA Internal 2.5V Reference I2C-compatible serial interface supports standard & fast modes 20-lead LFCSP 8-Channel, I2C, 12-Bit SAR ADC with Temperature Sensor AD7291 Functional Block Diagram Figure 1. GENERAL DESCRIPTION The AD7291 is a 12-bit, high speed, low power, 8-channel, successive approximation ADC with an internal temperature sensor. The part operates from a single 3.3V power supply and features an I2C®-compatible interface.