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ADS7834 Datasheet(PDF) 1 Page - Burr-Brown (TI) |
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ADS7834 Datasheet(HTML) 1 Page - Burr-Brown (TI) |
1 / 13 page 1 ® ADS7834 ADS7834 DESCRIPTION The ADS7834 is a 12-bit sampling analog-to-digital converter (A/D) complete with sample/hold, internal 2.5V reference, and synchronous serial interface. Typi- cal power dissipation is 11mW at a 500kHz through- put rate. The device can be placed into a power-down mode which reduces dissipation to just 2.5mW. The input range is zero to the reference voltage, and the internal reference can be overdriven by an external voltage. Low power, small size, and high-speed make the ADS7834 ideal for battery operated systems such as wireless communication devices, portable multi-chan- nel data loggers, and spectrum analyzers. The serial interface also provides low-cost isolation for remote data acquisition. The ADS7834 is available in a plastic mini-DIP-8 or an MSOP-8 package and is guaranteed over the –40 °C to +85°C temperature range. 12-Bit High Speed Low Power Sampling ANALOG-TO-DIGITAL CONVERTER ® FEATURES q 500kHz THROUGHPUT RATE q 2.5V INTERNAL REFERENCE q LOW POWER: 11mW q SINGLE SUPPLY +5V OPERATION q DIFFERENTIAL INPUT q SERIAL INTERFACE q GUARANTEED NO MISSING CODES q MINI-DIP-8 AND MSOP-8 q 0V TO V REF INPUT RANGE 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/ • Cable: BBRCORP • Telex: 066-6491 • FAX: (520) 889-1510 • Immediate Product Info: (800) 548-6132 APPLICATIONS q BATTERY OPERATED SYSTEMS q DIGITAL SIGNAL PROCESSING q HIGH SPEED DATA ACQUISITION q WIRELESS COMMUNICATION SYSTEMS ©1998 Burr-Brown Corporation PDS-1457B Printed in U.S.A. May, 2000 ADS7834 SAR CLK Serial Interface Comparator S/H Amp DATA +In –In CDAC Internal +2.5V Ref Buffer V REF CONV 10k Ω ±30% For most current data sheet and other product information, visit www.burr-brown.com |
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