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ADS7825UBG4 Datasheet(PDF) 1 Page - Texas Instruments |
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ADS7825UBG4 Datasheet(HTML) 1 Page - Texas Instruments |
1 / 22 page 1 ® ADS7825 CDAC 6k Ω Internal +2.5V Ref Clock BUSY DATACLK SDATA D7-D0 BYTE R/C CS PWRD Successive Approximation Register and Control Logic Serial Data Out or Parallel Data Out Comparator Buffer Continuous Conversion Channel REF CAP A0 CONTC A1 40k Ω AIN 2 40k Ω AIN 1 40k Ω AIN 0 40k Ω AIN 3 20k Ω 8k Ω 20k Ω 8k Ω 20k Ω 8k Ω 20k Ω 8k Ω 8 ® 4 Channel, 16-Bit Sampling CMOS A/D Converter FEATURES q 25 µs max SAMPLING AND CONVERSION q SINGLE +5V SUPPLY OPERATION q PIN-COMPATIBLE WITH 12-BIT ADS7824 q PARALLEL AND SERIAL DATA OUTPUT q 28-PIN 0.3" PLASTIC DIP AND SOIC q ±2.0 LSB max INL q 50mW max POWER DISSIPATION q 50 µW POWER DOWN MODE q ±10V INPUT RANGE, FOUR CHANNEL MULTIPLEXER q CONTINUOUS CONVERSION MODE ADS7825 DESCRIPTION The ADS7825 can acquire and convert 16 bits to within ±2.0 LSB in 25µs max while consuming only 50mW max. Laser-trimmed scaling resistors provide the standard industrial ±10V input range and channel- to-channel matching of ±0.1%. The ADS7825 is a low-power 16-bit sampling A/D with a four channel input multiplexer, S/H, clock, reference, and a parallel/serial microprocessor interface. It can be con- figured in a continuous conversion mode to sequen- tially digitize all four channels. The 28-pin ADS7825 is available in a plastic 0.3" DIP and in a SOIC, both fully specified for operation over the industrial –40 °C to +85 °C range. ADS7825 ADS7825 International Airport Industrial Park • Mailing Address: PO Box 11400, Tucson, AZ 85734 • Street Address: 6730 S. Tucson Blvd., Tucson, AZ 85706 • Tel: (520) 746-1111 • Twx: 910-952-1111 Internet: http://www.burr-brown.com/ • FAXLine: (800) 548-6133 (US/Canada Only) • Cable: BBRCORP • Telex: 066-6491 • FAX: (520) 889-1510 • Immediate Product Info: (800) 548-6132 www.burr-brown.com/databook/ADS7825.html ©1996 Burr-Brown Corporation PDS-1304B Printed in U.S.A. October, 1997 SBAS045 |
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