Datenblatt-Suchmaschine für elektronische Bauteile |
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DAC8802 Datenblatt(PDF) 1 Page - Texas Instruments |
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DAC8802 Datenblatt(HTML) 1 Page - Texas Instruments |
1 / 22 page DAC8802 www.ti.com FEATURES DESCRIPTION APPLICATIONS 14 DAC D0 D1 D2 D3 D4 D5 D6 D7 D8 D9 D10 D11 D12 D13 A0 A1 EN A B Decode SDI CLK DGND MSB R A FB V A B REF R B FB I A OUT A A GND A B GND I B OUT Input Register Input Register DAC A Register DACB Register R R Power-On Reset R R DAC A DACB CS RS LDAC DAC8802 SBAS351B – AUGUST 2005 – REVISED FEBRUARY 2007 Dual, Serial Input 14-Bit Multiplying Digital-to-Analog Converter • Relative Accuracy: 1 LSB Max The DAC8802 is a dual, 14-bit, current-output digital-to-analog converter (DAC) designed to • Differential Nonlinearity: 1 LSB Max operate from a single 2.7 V to 5.5 V supply. • 2-mA Full-Scale Current ±20%, with VREF = ±10 V The applied external reference input voltage VREF determines the full-scale output current. An internal • 0.5 µs Settling Time feedback resistor (RFB) provides temperature • Midscale or Zero-Scale Reset tracking for the full-scale output when combined with • Separate 4Q Multiplying Reference Inputs an external I-to-V precision amplifier. • Reference Bandwidth: 10 MHz A doubled-buffered, serial data interface offers • Reference Dynamics: –105 dB THD high-speed, 3-wire, SPI and microcontroller compatible inputs using serial data in (SDI), clock • SPI™-Compatible 3-Wire Interface: (CLK), and a chip-select (CS). A common 50 MHz level-sensitive load DAC strobe (LDAC) input allows • Double Buffered Registers to Enable simultaneous update of all DAC outputs from Simultaneous Multichannel Update previously loaded input registers. Additionally, an internal power-on reset forces the output voltage to • Internal Power-On Reset 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 DAC8802 is available in an TSSOP-16 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 other trademarks are the property of their respective owners. PRODUCTION DATA information is current as of publication date. Copyright © 2005–2007, 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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Ähnliche Beschreibung - DAC8802_15 |
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