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DAC8803 Datasheet(PDF) 1 Page - Texas Instruments |
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DAC8803 Datasheet(HTML) 1 Page - Texas Instruments |
1 / 26 page www.ti.com FEATURES DESCRIPTION APPLICATIONS DAC D0 D1 D2 D3 D4 D5 D6 D7 D8 D9 D10 D11 D12 D13 A0 A1 EN A B C D 2:4 Decode SDO SDI CS CLK DGND RS MSB LDAC AGNDF AGNDD IOUTD RFBD AGNDC IOUTC RFBC AGNDB IOUTC RFBB AGNDA IOUTA RFBA A B C D VREF Input Register R Input Register R Input Register R Input Register R Power-On Reset DAC A Register R DAC B Register R DAC C Register R DAC D Register R DAC A DAC B DAC C DAC D 14 DAC8803 SBAS340C – JANUARY 2005 – REVISED FEBRUARY 2006 Quad, Serial Input 14-Bit Multiplying Digital-to-Analog Converter • Relative Accuracy: 1 LSB Max The DAC8803 is a quad, 14-bit, current-output digital-to-analog converter (DAC) designed to operate • Differential Nonlinearity: 1 LSB Max from a single +2.7-V to 5-V supply. • 2-mA Full-Scale Current with VREF = ±10 V The applied external reference input voltage VREF • 0.5-µs Settling Time determines the full-scale output current. An internal feedback resistor (RFB) provides temperature tracking • Midscale or Zero-Scale Reset for the full-scale output when combined with an • Four Separate 4Q Multiplying Reference external I-to-V precision amplifier. Inputs A doubled buffered serial data interface offers • Reference Bandwidth: 10 MHz high-speed, 3-wire, SPI and microcontroller • Reference Dynamics: -105 dB THD compatible inputs using serial data in (SDI), clock • SPI™-Compatible 3-Wire Interface: (CLK), and a chip select (CS). In addition, a serial 50-MHz data out pin (SDO) allows for daisy chaining when • Double Buffered Registers Enable multiple packages are used. A common level-sensitive load DAC strobe (LDAC) input allows • Simultaneous Multichannel Update simultaneous update of all DAC outputs from • Internal Power-On Reset previously loaded input registers. Additionally, an • Compact SSOP-28 Package internal power-on reset forces the output voltage to zero at system turn on. An MSB pin allows system • Industry-Standard Pin Configuration reset assertion (RS) to force all registers to zero code when MSB = 0, or to half-scale code when MSB = 1. • Automatic Test Equipment The DAC8803 is packaged in an SSOP package. • Instrumentation • Digitally-Controlled Calibration 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. SPI is a trademark of Motorola, Inc. All trademarks are the property of their respective owners. PRODUCTION DATA information is current as of publication date. Copyright © 2005–2006, Texas Instruments Incorporated Products conform to specifications per the terms of the Texas Instruments standard warranty. Production processing does not necessarily include testing of all parameters. |
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