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DAC80504 Datasheet(PDF) 1 Page - Texas Instruments |
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DAC80504 Datasheet(HTML) 1 Page - Texas Instruments |
1 / 4 page OUT0 DAC Register DAC Buffer BUF Channel 0 Channel 1 Channel 2 Channel 3 Power Down Logic Resistive Network Power On Reset DAC80504 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 Product Folder Order Now Technical Documents Tools & Software Support & Community An IMPORTANT NOTICE at the end of this data sheet addresses availability, warranty, changes, use in safety-critical applications, intellectual property matters and other important disclaimers. ADVANCE INFORMATION for pre-production products; subject to change without notice. DAC80504 SBAS874 – AUGUST 2017 DAC80504 Quad, 16-Bit, SPI Voltage Output DAC With Internal Reference 1 1 Features 1 • Performance – INL: ±1 LSB Maximum at 16-Bit Resolution – TUE: ±0.1% of FSR Maximum • Integrated 2.5-V Precision Internal Reference – Initial Accuracy: 5 mV, Maximum – Low Drift: 5 ppm/°C, Typical • High Drive Capability: 20 mA With 0.5 V From Supply Rails • Flexible Output Configuration – User Selectable Gain: 2, 1 or ½ – Reset to Zero Scale or Midscale • Wide Operating Range – Power Supply: 2.7 V to 5.5 V – Temperature: –40 ˚C to +125˚C • 50-MHz, SPI-Compatible Serial Interface – 4-Wire Mode, 1.7-V to 5.5-V Operation – Daisy-Chain Operation – CRC Error Check • Low Power: 0.7 mA/Channel at 5.5 V • Small Package: 3-mm × 3-mm, 16-Pin WQFN 2 Applications • Optical Networking • Wireless Infrastructure • Industrial Automation • Data Acquisition Systems 3 Description The DAC80504 device is a low-power, four-channel, buffered voltage-output, digital-to-analog converter (DAC) with 16-bit resolution. This device includes a 2.5-V, 5-ppm/°C internal reference, eliminating the need for an external precision reference in most applications. A user-selectable gain configuration provides full-scale output voltages of 1.25 V (gain = ½), 2.5 V (gain = 1), or 5 V (gain = 2). This 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 DAC80504 is performed through a 4-wire serial interface that operates at clock rates of up to 50 MHz. The VIO pin enables serial interface operation from 1.7 V to 5.5 V. The DAC80504 flexible interface enables operation with a wide range of industry-standard microprocessors and microcontrollers. The DAC80504 incorporates a power-on-reset circuit that powers up and maintains the DAC outputs at either zero scale or midscale until a valid code is written to the device. This device consumes low current of 0.7 mA/channel at 5.5 V, making it suitable for battery-operated equipment. A per-channel power- down feature reduces the device current consumption to 15 µA. The DAC80504 is characterized for operation over the temperature range of –40°C to +125°C, and is available in a small, 3-mm × 3-mm, QFN package. Device Information(1) PART NUMBER PACKAGE BODY SIZE (NOM) DAC80504 WQFN (16) 3.00 mm × 3.00 mm (1) For all available packages, see the package option addendum at the end of the data sheet. Simplified Block Diagram |
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