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DAC8812IBPWG4 bảng dữ liệu(PDF) 1 Page - Texas Instruments |
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DAC8812IBPWG4 bảng dữ liệu(HTML) 1 Page - Texas Instruments |
1 / 29 page DAC 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 16 D0 D1 D2 D3 D4 D5 D6 D7 D8 D9 D10 D11 D12 D13 D14 D15 A0 A1 RS LDAC Product Folder Sample & Buy 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. PRODUCTION DATA. DAC8812 SBAS349D – AUGUST 2005 – REVISED JANUARY 2016 DAC8812 Dual, Serial-Input 16-Bit Multiplying Digital-to-Analog Converter 1 1 Features 1 • Relative Accuracy: 1 LSB Max • Differential Nonlinearity: 1 LSB Max • 2-mA Full-Scale Current ±20%, With VREF = ±10 V • 0.5- μs Settling Time • Midscale or Zero-Scale Reset • Separate 4Q Multiplying Reference Inputs • Reference Bandwidth: 10 MHz • Reference Dynamics: –105-dB THD • SPI™-Compatible 3-Wire Interface: 50 MHz • Double Buffered Registers to Enable Simultaneous Multichannel Update • Internal Power-On Reset • Industry-Standard Pin Configuration 2 Applications • Automatic Test Equipment • Instrumentation • Digitally Controlled Calibration 3 Description The DAC8812 is a dual, 16-bit, current-output digital- to-analog converter (DAC) designed to operate from a single 2.7-V to 5.5-V supply. The applied external reference input voltage VREF determines the full-scale output current. An internal feedback resistor (RFB) provides temperature tracking for the full-scale output when combined with an external I-to-V precision amplifier. A double-buffered, serial data interface offers high- speed, 3-wire, SPI and microcontroller compatible inputs using serial data in (SDI), clock (CLK), and a chip-select (CS). A common level-sensitive load DAC strobe (LDAC) input allows simultaneous update of all DAC outputs from previously loaded input registers. Additionally, an internal power-on reset forces the output voltage to zero at system turnon. An MSB pin allows system reset assertion (RS) to force all registers to zero code when MSB = 0, or to half-scale code when MSB = 1. The DAC8812 is available in a TSSOP-16 package. Device Information(1) PART NUMBER PACKAGE BODY SIZE (NOM) DAC8812 TSSOP (16) 5.00 mm × 4.40 mm (1) For all available packages, see the orderable addendum at the end of the data sheet. Space Space Space Functional Block Diagram |
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