ADS8322

ADS8322 ADS 832 ® 2 SBAS215 – JULY 2001 16-Bit, 500kHz, MicroPower Sampling ANALOG-TO-DIGITAL CONVERTER FEATURES q q q q q q HIGH-SPEED PARALLEL INTERFACE 500kHz SAMPLING RATE LOW POWER: 85mW at 500kHz INTERNAL 2.5V REFERENCE UNIPOLAR INPUT RANGE TQFP-32 PACKAGE DESCRIPTION The ADS8322 is a 16-bit, 500kHz Analog-to-Digital (A/D) converter with an internal 2.5V reference. The device includes a 16-bit capacitor-based Successive Approximation Register (SAR) A/D converter with inherent sample-andhold. The ADS8322 offers a full 16-bit interface, or an 8-bit option where data is read using two read cycles and 8 pins. The ADS8322 is available in a TQFP-32 package and is guaranteed over the industrial –40°C to +85°C temperature range. APPLICATIONS q q q q CT SCANNERS HIGH SPEED DATA ACQUISITION TEST AND INSTRUMENTATION MEDICAL EQUIPMENT SAR Output Latches and Three State Drivers BYTE ADS8322 Parallel Data Output +IN CDAC –IN S/H Amp Comparator REFIN REFOUT Internal +2.5V Ref Conversion and Control Logic CLOCK CONVST CS RD BUSY 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. 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....