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DAC7731E1K Datasheet(PDF) 1 Page - Texas Instruments |
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DAC7731E1K Datasheet(HTML) 1 Page - Texas Instruments |
1 / 22 page 16-Bit, Voltage Output, Serial Input DIGITAL-TO-ANALOG CONVERTER DESCRIPTION The DAC7731 is a 16-bit Digital-to-Analog Converter (DAC) which provides 16 bits of monotonic performance over the specified operating temperature range and offers a +10V internal reference. Designed for automatic test equipment and industrial process control applications, the DAC7731 output swing can be configured in a ±10V, ±5V, or +10V range. The flexibility of the output configuration allows the DAC7731 to provide both unipolar and bipolar operation by pin strapping. The DAC7731 includes a high-speed output amplifier with a maximum settling time of 5 µs to ±0.003% FSR for a 20V full-scale change and only consumes 100mW (typical) of power. The DAC7731 features a standard 3-wire, SPI-compatible serial interface with double buffering to allow asynchronous updates of the analog output as well as a serial data output line for daisy-chaining multiple DAC7731s. A user program- mable reset control forces the DAC output to either min-scale (0000h) or mid-scale (8000h), overriding both the input and DAC register values. The DAC7731 is available in a SSOP-24 package and three performance grades specified to operate from –40 °C to +85°C. FEATURES q LOW POWER: 150mW MAXIMUM q +10V INTERNAL REFERENCE q UNIPOLAR OR BIPOLAR OPERATION q SETTLING TIME: 5 µs to ±0.003% FSR q 16-BIT MONOTONICITY, –40 °C TO +85°C q ±10V, ±5V, OR +10V CONFIGURABLE VOLTAGE OUTPUT q RESET TO ZERO OR MID-SCALE q DOUBLE-BUFFERED DATA INPUT q DAISY-CHAIN FEATURE FOR MULTIPLE DAC7731s ON A SINGLE BUS q SMALL SSOP-24 PACKAGE APPLICATIONS q PROCESS CONTROL q ATE PIN ELECTRONICS q CLOSED-LOOP SERVO CONTROL q MOTOR CONTROL q DATA ACQUISITION SYSTEMS DAC7731 SBAS249B – DECEMBER 2001 – REVISED NOVEMBER 2007 www.ti.com Copyright © 2001-2007, 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. Buffer +10V Reference Control Logic Enable Input Register DAC Register DAC REFEN RSTSEL RST LDAC SCLK CS SDO SDI V DD V SS VCC REFADJ REF OUT REF IN V REF R OFFSET RFB2 RFB1 SJ V OUT AGND DGND DAC7 731 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. All trademarks are the property of their respective owners. |
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