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ADS7806

Part Number	ADS7806
Manufacturer	Burr-Brown Corporation
Description	Low-Power 12-Bit Sampling CMOS ANALOG-to-DIGITAL CONVERTER
Published	Mar 23, 2005
Detailed Description	ADS7806 ADS7806 ADS7806 SBAS021B – NOVEMBER 1992 – REVISED SEPTEMBER 2003 Low-Power 12-Bit Sampling CMOS ANALOG-to-DIG...
Datasheet	ADS7806 PDF File

Overview

ADS7806 ADS7806 ADS7806 SBAS021B – NOVEMBER 1992 – REVISED SEPTEMBER 2003 Low-Power 12-Bit Sampling CMOS ANALOG-to-DIGITAL CONVERTER FEATURES q POWER DISSIPATION: 35mW max q POWER-DOWN MODE: 50µW q ACQUISITION AND CONVERSION: 25µs max q ±1/2 LSB MAX INL AND DNL q 72dB MIN SINAD WITH 1kHz INPUT q INPUT RANGES: ±10V, 0V to +5V, and 0V TO +4V q SINGLE +5V SUPPLY OPERATION q PARALLEL AND SERIAL DATA OUTPUT q PIN-COMPATIBLE WITH THE 16-BIT ADS7807 q USES INTERNAL OR EXTERNAL REFERENCE q 0.
3" DIP-28 AND SO-28 DESCRIPTION The ADS7806 is a low-power, 12-bit, sampling Analog-toDigital (A/D) converter using state of the art CMOS structures.
It contains a complete 12-bit, capacitor-based, Successive Approximation Register (SAR) A/D converter with sampleand-hold, clock, reference, and a microprocessor interface with parallel and serial output drivers.
The ADS7806 can acquire and convert to full 12-bit accuracy in 25µs max, while consuming only 35mW max.
Laser trimmed scaling resistors provide standard industrial input ranges of ±10V and 0V to +5V.
In addition, a 0V to +4V range allows development of complete single-supply systems.
The ADS7806 is available in a 0.
3" DIP-28 and SO-28, both fully specified for operation over the industrial –40°C to +85°C temperature range.
R1IN 40kΩ R2IN 20kΩ 10kΩ CAP 40kΩ REF Clock Successive Approximation Register and Control Logic R/C CS BYTE Power Down CDAC Comparator Buffer 6kΩ Internal +2.
5V Ref Reference Power-Down Parallel and Serial Data Out BUSY Serial Data Clock Serial Data Parallel Data 8 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.
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PRODUCTION DATA information is current as of publication date.
Products conform to specifications per the terms of Texas Instruments standard warra...

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