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AD7859L Datasheet 3 V to 5 V Single Supply/ 200 kSPS 8-Channel/ 12-Bit Sampling ADCs

Manufacturer: Analog Devices

Download the AD7859L datasheet PDF. This datasheet also includes the AD7 variant, as both parts are published together in a single manufacturer document.

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Note: The manufacturer provides a single datasheet file (AD7-859.pdf) that lists specifications for multiple related part numbers.

General Description

3 V to 5 V Single Supply, 200 kSPS 8-Channel, 12-Bit Sampling ADCs AD7859/AD7859L* FUNCTIONAL BLOCK DIAGRAM AVDD AGND AIN1 I/P MUX AIN8 2.5V REFERENCE COMP REFIN/ REFOUT BUF DGND T/H DVDD AD7859/AD7859L CREF1 CHARGE REDISTRIBUTION DAC CLKIN CREF2 CALIBRATION MEMORY AND CONTROLLER CAL SAR + ADC CONTROL CONVST BUSY SLEEP PARALLEL INTERFACE/CONTROL REGISTER The AD7859/AD7859L are high speed, low power, 8-channel, 12-bit ADCs which operate from a single 3 V or 5 V power supply, the AD7859 being optimized for speed and the AD7859L for low power.

The ADC contains self-calibration and system calibration options to ensure accurate operation over time and temperature and have a number of power-down options for low power applications.

The AD7859 is capable of 200 kHz throughput rate while the AD7859L is capable of 100 kHz throughput rate.

Overview

a.

Key Features

  • Specified for V DD of 3 V to 5.5 V AD7859.
  • 200 kSPS; AD7859L.
  • 100 kSPS System and Self-Calibration Low Power Normal Operation AD7859: 15 mW (VDD = 3 V) AD7859L: 5.5 mW (V DD = 3 V) Using Automatic Power-Down After Conversion (25 ␮W) AD7859: 1.3 mW (VDD = 3 V 10 kSPS) AD7859L: 650 ␮ W (VDD = 3 V 10 kSPS) Flexible Parallel Interface: 16-Bit Parallel/8-Bit Parallel 44-Pin PQFP and PLCC Packages.

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