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AD5764ASUZ 데이터시트(PDF) 1 Page - Analog Devices |
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AD5764ASUZ 데이터시트(HTML) 1 Page - Analog Devices |
1 / 28 page Complete Quad, 16-Bit, High Accuracy, Serial Input, Bipolar Voltage Output DAC Data Sheet AD5764 Rev. F Information furnished by Analog Devices is believed to be accurate and reliable. However, no responsibilityis assumedbyAnalogDevicesforitsuse,norforanyinfringements of patents or other rightsofthirdpartiesthatmayresultfromitsuse.Specificationssubjecttochangewithoutnotice.No license is granted by implication or otherwise under any patent or patent rights of Analog Devices. Trademarksandregisteredtrademarksarethepropertyoftheirrespectiveowners. One Technology Way, P.O. Box 9106, Norwood, MA 02062-9106, U.S.A. Tel: 781.329.4700 www.analog.com Fax: 781.461.3113 ©2006–2011 Analog Devices, Inc. All rights reserved. FEATURES Complete quad, 16-bit digital-to-analog converter (DAC) Programmable output range ±10 V, ±10.2564 V, or ±10.5263 V ±1 LSB maximum INL error, ±1 LSB maximum DNL error Low noise: 60 nV/√Hz Settling time: 10 μs maximum Integrated reference buffers Output control during power-up/brownout Programmable short-circuit protection Simultaneous updating via LDAC Asynchronous CLR to zero code Digital offset and gain adjust Logic output control pins DSP-/microcontroller-compatible serial interface Temperature range: −40°C to +85°C iCMOS process technology1 APPLICATIONS Industrial automation Open-loop/closed-loop servo control Process control Data acquisition systems Automatic test equipment Automotive test and measurement High accuracy instrumentation GENERAL DESCRIPTION The AD5764 is a quad, 16-bit, serial input, bipolar voltage output DAC that operates from supply voltages of ±11.4 V to ±16.5 V. Nominal full-scale output range is ±10 V. The AD5764 provides integrated output amplifiers, reference buffers, and proprietary power-up/power-down control circuitry. The part also features a digital I/O port that is programmed via the serial interface. The part incorporates digital offset and gain adjust registers per channel. The AD5764 is a high performance converter that offers guar- anteed monotonicity, integral nonlinearity (INL) of ±1 LSB, low noise, and 10 μs settling time. During power-up (when the supply voltages are changing), VOUTx is clamped to 0 V via a low impedance path. The AD5764 uses a serial interface that operates at clock rates of up to 30 MHz and is compatible with DSP and microcontroller interface standards. Double buffering allows the simultaneous updating of all DACs. The input coding is programmable to either twos complement or offset binary formats. The asynchro- nous clear function clears the data register to either bipolar zero or zero scale depending on the coding used. The AD5764 is ideal for both closed-loop servo control and open-loop control appli- cations. The AD5764 is available in a 32-lead TQFP, and offers guaranteed specifications over the −40°C to +85°C industrial temperature range. See Figure 1 for the functional block diagram. Table 1. Related Devices Part No. Description AD5764R AD5764 with internal voltage reference AD5744R Complete quad, 14-bit, high accuracy, serial input, bipolar voltage output DAC with internal voltage reference 1 For analog systems designers within industrial/instrumentation equipment OEMs who need high performance ICs at higher voltage levels, iCMOS® is a technology platform that enables the development of analog ICs capable of 30 V and operating at ±15 V supplies, allowing dramatic reductions in power consumption and package size, and increased ac and dc performance. |
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