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AD5293BRUZ-20 датащи(PDF) 1 Page - Analog Devices |
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AD5293BRUZ-20 датащи(HTML) 1 Page - Analog Devices |
1 / 24 page Single-Channel, 1024-Position, 1% R-Tolerance Digital Potentiometer AD5293 Rev. D 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 ©2009–2011 Analog Devices, Inc. All rights reserved. FEATURES Single-channel, 1024-position resolution 20 kΩ, 50 kΩ, and 100 kΩ nominal resistance Calibrated 1% nominal resistor tolerance (resistor performance mode) Rheostat mode temperature coefficient: 35 ppm/°C Voltage divider temperature coefficient: 5 ppm/°C Single-supply operation: 9 V to 33 V Dual-supply operation: ±9 V to ±16.5 V SPI-compatible serial interface Wiper setting readback APPLICATIONS Mechanical potentiometer replacement Instrumentation: gain and offset adjustment Programmable voltage-to-current conversion Programmable filters, delays, and time constants Programmable power supply Low resolution DAC replacements Sensor calibration FUNCTIONAL BLOCK DIAGRAM A W B RDAC REGISTER 10 SERIAL INTERFACE SYNC SCLK DIN POWER-ON RESET VLOGIC SDO EXT_CAP VDD VSS GND AD5293 RESET RDY Figure 1. GENERAL DESCRIPTION The AD5293 is a single-channel, 1024-position digital potentiometer1 with a <1% end-to-end resistor tolerance error. The AD5293 performs the same electronic adjustment function as a mechanical potentiometer with enhanced resolution, solid state reliability, and superior low temperature coefficient performance. This device is capable of operating at high voltages and supporting both dual-supply operation at ±10.5 V to ±15 V and single-supply operation at 21 V to 30 V. The AD5293 offers guaranteed industry-leading low resistor tolerance errors of ±1% with a nominal temperature coefficient of 35 ppm/°C. The low resistor tolerance feature simplifies open- loop applications as well as precision calibration and tolerance matching applications. The AD5293 is available in a compact 14-lead TSSOP package. The part is guaranteed to operate over the extended industrial temperature range of −40°C to +105°C. 1 In this data sheet, the terms digital potentiometer and RDAC are used interchangeably. |
Аналогичный номер детали - AD5293BRUZ-20 |
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Аналогичное описание - AD5293BRUZ-20 |
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