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поискавой системы для электроныых деталей |
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поискавой системы для электроныых деталей |
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DAC80504 датащи(PDF) 20 Page - Texas Instruments |
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DAC80504 датащи(HTML) 20 Page - Texas Instruments |
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20 / 50 page  OUT0 DAC Register DAC Buffer BUF Channel 0 Channel 1 Channel 2 Channel 3 Power Down Logic Resistive Network Power On Reset DACx0504 OUT1 OUT2 OUT3 REF SCLK SDI SDO/ALARM RSTSEL VDD DAC CS Internal Reference VIO ÷1 or ÷2 GAIN GAIN ×1 or ×2 GND LDAC REFDIV Copyright © 2017, Texas Instruments Incorporated 20 DAC80504, DAC70504, DAC60504 SBAS871C – AUGUST 2017 – REVISED JANUARY 2019 www.ti.com Product Folder Links: DAC80504 DAC70504 DAC60504 Submit Documentation Feedback Copyright © 2017–2019, Texas Instruments Incorporated 8 Detailed Description 8.1 Overview The DACx0504 is a pin-compatible family of low-power, four-channel, buffered voltage-output digital-to-analog converters (DACs) with 16-, 14-, and 12-bit resolution. The DACx0504 include a 2.5-V internal reference and user-selectable gain configuration. providing full-scale output voltages of 1.25 V (gain = ½), 2.5 V (gain = 1), or 5 V (gain = 2). The device operates from a single 2.7 V to 5.5 V supply, is specified monotonic, and provides high linearity of ±1 LSB INL. Communication to the DACx0504 is performed through a 4-wire serial interface that supports stand-alone and daisy-chain operation. The optional frame-error checking provides added robustness to the DACx0504 serial interface. The DACx0504 incorporates a power-on-reset circuit and RSTSEL pin that powers up and maintains the DAC outputs at either zero scale or midscale until a valid code is written to the device. 8.2 Functional Block Diagram |
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