AD7631 - Differential Programmable Input PulSAR ADC

Analog Devices

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Datasheet Details

Part number	AD7631
Manufacturer	Analog Devices
File Size	605.30 KB
Description	Differential Programmable Input PulSAR ADC
Datasheet	AD7631_AnalogDevices.pdf

AD7631 Product details

Description

The AD7631/AD7634 is an18-bit, charge redistribution successive approximation register (SAR) architecture analog-todigital converter (ADC) with programmable input ranges and mode selection via a dedicated write only serial interface (or by hardware pin-strapping).

Features

Multiple pins/software programmable input ranges: ±10V, ±5V, 10V, 5V iCMOS™ process technology Pins or serial SPI input ranges/mode selection Throughput: 670kSPS (AD7634) 250kSPS (AD7631) INL: ± 1.75 LSB (7± ppm of full scale) DNL: +2/-1 LSB 18-bit resolution with no missing codes Dynamic range: 102.5 dB typical SNR: 101 dB typical THD: -122 dB typical 5V internal reference: typical drift 7ppm/°C; TEMP output No pipeline delay (SAR architecture) Parallel (18, 16- or 8-bit bus) and serial 5 V/3.3.

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Published: Jan 17, 2007 |