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AD7393 Datasheet(PDF) 1 Page - Analog Devices |
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AD7393 Datasheet(HTML) 1 Page - Analog Devices |
1 / 20 page 3 V, Parallel Input Micropower 10-/12-Bit DACs AD7392/AD7393 Rev. C 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 ©1996–2007 Analog Devices, Inc. All rights reserved. FEATURES Micropower: 100 μA 0.1 μA typical power shutdown Single-supply 2.7 V to 5.5 V operation AD7392: 12-bit resolution AD7393: 10-bit resolution 0.9 LSB differential nonlinearity error APPLICATIONS Automotive 0.5 V to 4.5 V output span voltage Portable communications Digitally controlled calibration PC peripherals FUNCTIONAL BLOCK DIAGRAM 12 12 12-BIT DAC DAC REGISTER VREF SHDN AGND RS D0 TO D11 CS DGND AD7392 VDD VOUT Figure 1. GENERAL DESCRIPTION The AD7392/AD7393 comprise a set of pin-compatible 10-/12-bit voltage output, digital-to-analog converters. The parts are designed to operate from a single 3 V supply. Built using a CBCMOS process, these monolithic DACs offer low cost and ease of use in single-supply 3 V systems. Operation is guaranteed over the supply voltage range of 2.7 V to 5.5 V, making this device ideal for battery-operated applications. The full-scale voltage output is determined by the external ref- erence input voltage applied. The rail-to-rail REFIN to DACOUT allows a full-scale voltage equal to the positive supply VDD or any value in between. The voltage outputs are capable of sourc- ing 5 mA. A data latch load of 12 bits with a 45 ns write time eliminates wait states when interfacing to the fastest processors. Addition- ally, an asynchronous RS input sets the output to a zero scale at power-on or upon user demand. Both parts are offered with similar pinouts, which allows users to select the amount of resolution appropriate for their applica- tions without changing the circuit card. The AD7392/AD7393 are specified for operation over the extended industrial temperature range of −40°C to +85°C. The AD7393AR is specified for the automotive temperature range of −40°C to +125°C. The AD7392/AD7393 are available in 20-lead PDIP and 20-lead SOIC packages. For serial data input, 8-lead packaged versions, see the AD7390 and AD7391. |
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