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AD7816 Datasheet 10-Bit ADCs

Manufacturer: Analog Devices

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General Description

AD7817 TEMP SENSOR REF 2.5V MUX SAMPLING CAPACITOR OVER-TEMP REG CHARGE REDISTRIBUTION DAC CONTROL LOGIC B A>B A DATA OUT OTI DOUT VIN1 VIN2 VIN3 VIN4 CONTROL REG DIN SCLK RD/WR VBALANCE AGND DGND BUSY CONVST CLOCK CS The AD7816, AD7817 and AD7818 have a flexible serial interface that allows easy interfacing to most microcontrollers.

The interface is compatible with the Intel 8051, Motorola SPI™ and QSPI™ protocols and National Semiconductors MICROWIRE™ protocol.

For more information refer to the Serial Interface section of this data sheet.

Overview

a Single- and 4-Channel, 9 ␮s, 10-Bit ADCs with On-Chip Temperature Sensor AD7816/AD7817/AD7818 FUNCTIONAL BLOCK DIAGRAM REFIN.

Key Features

  • 10-Bit ADC with 9 ␮ s Conversion Time One (AD7818) and Four (AD7817) Single-Ended Analog Input Channels The AD7816 Is a Temperature Measurement Only Device On-Chip Temperature Sensor Resolution of 0.25؇C ؎ 2؇C Error from.
  • 40؇C to +85؇C.
  • 55؇C to +125؇C Operating Range Wide Operating Supply Range +2.7 V to +5.5 V Inherent Track-and-Hold Functionality On-Chip Reference (2.5 V ؎ 1%) Over-Temperature Indicator Automatic Power-Down at the End of a Conversion Low Power Operation 4 ␮ W a.

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