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AD7827 Datasheet 3 V/5 V/ 1 MSPS/ 8-Bit/ Serial Interface Sampling ADC

Manufacturer: Analog Devices

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General Description

PRODUCT HIGHLIGHTS The AD7827 is a high speed, single channel, low power, analogto-digital converter with a maximum throughput of 1 MSPS that operates from a single 3 V or 5 V supply.

The AD7827 contains a track/hold amplifier, an on-chip 2.5 V reference (2% tolerance), a 420 ns 8-bit half-flash ADC and a serial interface.

The serial interface is compatible with the serial interfaces of most DSPs (Digital Signal Processors).

Overview

a 3 V/5 V, 1 MSPS, 8-Bit, Serial Interface Sampling ADC AD7827 FUNCTIONAL BLOCK DIAGRAM VREFIN/VREFOUT 2.

Key Features

  • 8-Bit Half-Flash ADC with 420 ns Conversion Time 200 ns Acquisition Time 8-Lead Package On-Chip Track-and-Hold On-Chip 2.5 V Reference with 2% Tolerance Operating Supply Range: 3 V ؎ 10% and 5 V ؎ 10% Specifications @ 3 V and 5 V DSP/Microcontroller Compatible Serial Interface Automatic Power-Down at End of Conversion Input Ranges 0 V to 2 V, VDD = 3 V 0 V to 2.5 V, VDD = 5 V AD7827.

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