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DAC1221E Datasheet(PDF) 1 Page - Texas Instruments |
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DAC1221E Datasheet(HTML) 1 Page - Texas Instruments |
1 / 16 page 1 ® DAC1221 DAC1221 ® 16-Bit Low Power DIGITAL-TO-ANALOG CONVERTER FEATURES q 16-BIT MONOTONICITY GUARANTEED OVER –40 °C TO +85°C q LOW POWER: 1.2mW q VOLTAGE OUTPUT q SETTLING TIME: 2ms to 0.012% q MAX LINEARITY ERROR: 30ppm q ON-CHIP CALIBRATION APPLICATIONS q PROCESS CONTROL q ATE PIN ELECTRONICS q CLOSED-LOOP SERVO-CONTROL q SMART TRANSMITTERS q PORTABLE INSTRUMENTS q VCO CONTROL DESCRIPTION The DAC1221 is a Digital-to-Analog (D/A) converter offering 16-bit monotonic performance over the speci- fied temperature range. It utilizes delta-sigma technol- ogy to achieve inherently linear performance in a small package at very low power. The output range is two times the external reference voltage. On-chip calibration circuitry dramatically reduces offset and gain errors. The DAC1221 features a synchronous serial interface. In single converter applications, the serial interface can be accomplished with just two wires, allowing low- cost isolation. For multiple converters, a CS signal allows for selection of the appropriate D/A converter. The DAC1221 has been designed for closed-loop control applications in the industrial process control market, and high resolution applications in the test and measurement market. It is also ideal for remote appli- cations, battery-powered instruments, and isolated sys- tems. The DAC1221 is available in a SSOP-16 package. © 1999 Burr-Brown Corporation PDS-1519B Printed in U.S.A. May, 2000 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 DAC1221 For most current data sheet and other product information, visit www.burr-brown.com Clock Generator Serial Interface Second-Order ∆∑ Modulator Instruction Register Command Register Data Register Offset Register Full-Scale Register Microcontroller First-Order Switched Capacitor Filter Second-Order Continuous Time Post Filter Modulator Control C 2A C2B C3 C 1 X IN X OUT V REF CS DV DD DGND AV DD AGND SDIO V OUT SCLK SBAS113 |
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