ADS1286

® ADS 128 6 ADS1286 ADS 128 6 12-Bit Micro Power Sampling ANALOG-TO-DIGITAL CONVERTER FEATURES q q q q SERIAL INTERFACE GUARANTEED NO MISSING CODES 20kHz SAMPLING RATE LOW SUPPLY CURRENT: 250µA DESCRIPTION The ADS1286 is a 12-bit, 20kHz analog-to-digital converter with a differential input and sample and hold amplifier and consumes only 250µA of supply current. The ADS1286 offers an SPI and SSI compatible serial interface for communications over a two or three wire interface. The combination of a serial two wire interface and micropower consumption makes the ADS1286 ideal for remote applications and for those requiring isolation. The ADS1286 is available in a 8-pin plastic mini DIP and a 8-lead SOIC. APPLICATIONS q q q q REMOTE DATA ACQUISITION ISOLATED DATA ACQUISITION TRANSDUCER INTERFACE BATTERY OPERATED SYSTEMS SAR Control VREF DOUT +In CDAC –In S/H Amp Comparator Serial Interface DCLOCK CS/SHDN 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 © 1996 Burr-Brown Corporation PDS-1335B Printed in U.S.A. October, 1998 SPECIFICATIONS At TA = TMIN to TMAX, +VCC = +5V, VREF = +5V, fSAMPLE = 12.5kHz, , fCLK = 16 fSAMPLE, unless otherwise specified. ADS1286, ADS1286A PARAMETER ANALOG INPUT Fu...