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ADS7834PB Datasheet(PDF) 1 Page - Texas Instruments |
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ADS7834PB Datasheet(HTML) 1 Page - Texas Instruments |
1 / 22 page 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. Typical power dissipation is 11mW at a 500kHz throughput rate. The device can be placed into a power-down mode that 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-channel 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 ensured 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 12-BITS NO MISSING CODES q MINI-DIP-8 AND MSOP-8 q 0V TO V REF INPUT RANGE APPLICATIONS q BATTERY-OPERATED SYSTEMS q DIGITAL SIGNAL PROCESSING q HIGH-SPEED DATA ACQUISITION q WIRELESS COMMUNICATION SYSTEMS ADS7 834 SAR CLK Serial Interface Comparator S/H Amp DATA +In –In CDAC Internal +2.5V Ref Buffer V REF CONV 10k Ω ±30% SBAS098A – JANUARY 1998 – REVISED SEPTEMBER 2003 www.ti.com PRODUCTION DATA information is current as of publication date. Products conform to specifications per the terms of Texas Instruments standard warranty. Production processing does not necessarily include testing of all parameters. Copyright © 1998-2003, Texas Instruments Incorporated 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. |
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