Transcription of AD421 data sheet - Analog Devices
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FUNCTIONAL BLOCK DIAGRAMLOCALOSCILLATORSWITCHEDCURRENTSOU RCESANDFILTERINGBANDGAPREFERENCEREF IN(+ )REF OUT1(+ )REF OUT2(+ )LVVCCDRIVECOMPBOOSTLOOPRTNC1 C2 C3 COMLATCHCLOCKDATA40 16-BITSIGMA-DELTA DAC75k 134k 121k 80k AD421 INPUT SHIFTREGISTERDAC LATCHPOWER-ONRESETREV. CInformation furnished by Analog Devices is believed to be accurate andreliable. However, no responsibility is assumed by Analog Devices for itsuse, nor for any infringements of patents or other rights of third partieswhich may result from its use. No license is granted by implication orotherwise under any patent or patent rights of Analog mA to 20 mA Current OutputHART Compatible16-Bit Resolution and Monotonicity Integral Nonlinearity5 V or 3 V Regulator V and V Precision Reference750 A Quiescent Current maxProgrammable Alar
HART® Compatible 16-Bit Resolution and Monotonicity 0.01% Integral Nonlinearity 5 V or 3 V Regulator Output 2.5 V and 1.25 V Precision Reference 750 A Quiescent Current max Programmable Alarm Current Capability Flexible High Speed Serial Interface 16-Lead SOIC and PDIP Packages Loop-Powered 4 mA to 20 mA DAC AD421 PRODUCT HIGHLIGHTS 1.
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