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ADS7809

Part Number	ADS7809
Manufacturer	Burr-Brown Corporation
Description	16-Bit 10ms Serial CMOS Sampling ANALOG-to-DIGITAL CONVERTER
Published	Mar 23, 2005
Detailed Description	ADS7809 ADS7809 SBAS017C – NOVEMBER 1996 – REVISED OCTOBER 2006 16-Bit 10µs Serial CMOS Sampling ANALOG-TO-DIGITAL CONV...
Datasheet	ADS7809 PDF File

Overview

ADS7809 ADS7809 SBAS017C – NOVEMBER 1996 – REVISED OCTOBER 2006 16-Bit 10µs Serial CMOS Sampling ANALOG-TO-DIGITAL CONVERTER FEATURES q 100kHz SAMPLING RATE q 86dB SINAD WITH 20kHz INPUT q ±2LSB INL q DNL: 16 Bits No Missing Codes q SIX SPECIFIED INPUT RANGES q SERIAL OUTPUT q SINGLE +5V SUPPLY OPERATION q PIN-COMPATIBLE WITH 12-BIT ADS7808 q USES INTERNAL OR EXTERNAL REFERENCE q 100mW MAX POWER DISSIPATION q 0.
3" SO-20 q SIMPLE DSP INTERFACE DESCRIPTION The ADS7809 is a complete 16-bit sampling Analog-toDigital (A/D) converter using state-of-the-art CMOS structures.
It contains a 16-bit capacitor-based Successive Approximation Register (SAR) A/D converter with sample-andhold, reference, clock, and a serial data interface.
Data can be outputted using the internal clock, or can be synchronized to an external data clock.
The ADS7809 also provides an output synchronization pulse for ease of use with standard DSP processors.
The ADS7809 is specified at a 100kHz sampling rate, and specified over the full temperature range.
Laser-trimmed scaling resistors provide various input ranges including ±10V and 0V to 5V, while an innovative design operates from a single +5V supply, with power dissipation under 100mW.
The ADS7809 is available in a 0.
3" SO-20, and is fully specified for operation over the industrial –40°C to +85°C range.
R1IN R2IN R3IN CAP 20kΩ 10kΩ 20kΩ 5kΩ REF Power R/C CS Down Successive Approximation Register and Control Logic CDAC Buffer 4kΩ Internal +2.
5V Ref Comparator Clock Serial Data Out BUSY Data Clock Serial Data Please be aware that an important notice concerning availability, standard warranty, and use in critical applications of Texas Instruments semiconductor products and disclaimers thereto appears at the end of this data sheet.
All trademarks are the property of their respective owners.
PRODUCTION DATA information is current as of publication date.
Products conform to specifications per the terms of Texas Instruments standard wa...

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