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ADS8422

Part Number	ADS8422
Manufacturer	Burr-Brown
Description	MICROPOWER SAMPLING ANALOG-TO-DIGITAL CONVERTER
Published	Dec 23, 2006
Detailed Description	BurrĆBrown Products from Texas Instruments ADS8422 SLAS512B – JUNE 2006 – REVISED DECEMBER 2006 16-BIT, 4-MSPS, PSEUDO...
Datasheet	ADS8422 PDF File

Overview

BurrĆBrown Products from Texas Instruments ADS8422 SLAS512B – JUNE 2006 – REVISED DECEMBER 2006 16-BIT, 4-MSPS, PSEUDO-BIPOLAR, FULLY DIFFERENTIAL INPUT, MICROPOWER SAMPLING ANALOG-TO-DIGITAL CONVERTER WITH PARALLEL INTERFACE, REFERENCE FEATURES • Fully Differential Input with Pseudo-Bipolar Input Range -4 V to +4 V • 16-Bit NMC at 4 MSPS • 1 LSB INL Typ • 92dB SNR, -102dB THD Typ with 100-kHz Input • Internal 4.
096-V Reference and Reference Buffer • REFIN/2 Available for Setting Analog Input Common-Mode Voltage • Zero Latency • High-Speed Parallel Interface • Single Supply Operation Capability • Low Power: 155 mW at 4 MHz Typ, Flexible Power-Down Scheme • Pin-Out Similar to ADS8412/8402 • 48-Pin 9×9 TQFP Package APPLICATIONS • DWDM • Instrumentation • High-Speed, High-Resolution, Zero Latency Data Acquisition Systems • Transducer Interface • Medical Instruments • Spectrum Analysis • ATE DESCRIPTION The ADS8422 is a 16-bit, 4-MHz A/D converter with an internal 4.
096-V reference.
The device includes a 16-bit capacitor-based multi-bit SAR A/D converter with inherent sample and hold.
This converter includes a full 16-bit interface and an 8-bit option where data is read using two 8-bit read cycles if necessary.
The ADS8422 has a fully differential, pseudo-bipolar input.
It is available in a 48-lead TQFP package and is characterized over the industrial -40°C to +85°C temperature range.
TYPE/SPEED 18-Bit Pseudo-Diff 18-Bit Pseudo-Bipolar, Fully Diff 16-Bit Pseudo-Diff 16-Bit Pseudo-Bipolar, Fully Diff 14-Bit Pseudo-Diff 12-Bit Pseudo-Diff (1) S: Serial HIGH-SPEED SAR CONVERTER FAMILY(1) 500 kHz ADS8383 ADS8327/28 (s) ~600 kHz ADS8381 ADS8380 (s) ADS8382 (s) ADS8370 (s) ADS8372 (s) 750 kHz 1 MHz ADS8481 1.
25 MHz ADS8371 ADS8482 ADS8471 ADS8329/30 (s) ADS8472 ADS7886 ADS8401 ADS8405 ADS8402 ADS8406 ADS7890 (s) 2 MHz ADS8411 ADS8410 (s) ADS8412 ADS8413 (s) ADS7883 3 MHz ADS7891 4MHz ADS8422 ADS7881 TEMPOUT +IN −IN COMMOUT REFIN REFOUT Temp Sensor SAR CDA...

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