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Analog Devices Semiconductor Electronic Components Datasheet

AD5293 Datasheet

Digital Potentiometer

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AD5293 pdf
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Single Channel, 1024-Position, 1% R-Tol, Digital
Potentiometer
Preliminary Technical Data
FEATURES
Single-channel, 1024-position resolution
20 kΩ, 50 kΩ and 100 kΩ nominal resistance
Calibrated 1% Nominal Resistor Tolerance
Rheostat mode temperature coefficient: 35 ppm/°C
Voltage divider temperature coefficient: 5 ppm/°C
+21V to +30V single-supply operation
±10.5V to ±15V dual-supply operation
SPI® compatible serial interface
Wiper setting readback
APPLICATIONS
Mechanical potentiometer replacement
Instrumentation: gain, offset adjustment
Programmable voltage to current conversion
Programmable filters, delays, time constants
Programmable power supply
Low resolution DAC replacement
Sensor calibration
GENERAL DESCRIPTION
The AD5293 is a single-channel, 1,024-position digital
potentiometer1 with less than 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; supporting both dual supply ±10.5 to ±15V and
single supply operation +21V to +30V.
The AD5293 offers guaranteed industry leading low resistor
tolerance errors of ±1% with a nominal temperature coefficient
of 35 ppm/ºC. The low resistor tolerance feature simplifies
open-loop applications as well as precision calibration and
tolerance matching applications.
AD5293
FUNCTIONAL BLOCK DIAGRAM
Figure 1. 14ld TSSOP
The AD5293 is available in a compact 14ld TSSOP package. The
part is guaranteed to operate over the extended industrial
temperature range of −40°C to +105°C.
1 The terms digital potentiometer and RDAC are used interchangeably.
Rev. PrA
Information furnished by Analog Devices is believed to be accurate and reliable.
However, no responsibility is assumed by Analog Devices for its use, nor for any
infringements of patents or other rights of third parties that may result from its use.
Specifications subject to change without notice. No license is granted by implication
or otherwise under any patent or patent rights of Analog Devices. Trademarks and
registered trademarks are the property of their respective owners.
One Technology Way, P.O. Box 9106, Norwood, MA 02062-9106, U.S.A.
Tel: 781.329.4700
www.analog.com
Fax: 781.326.8703 © 2008 Analog Devices, Inc. All rights reserved.


Analog Devices Semiconductor Electronic Components Datasheet

AD5293 Datasheet

Digital Potentiometer

No Preview Available !

AD5293 pdf
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TABLE OF CONTENTS
REVISION HISTORY
Revision: Preliminary Version
Preliminary Technical Data
Rev.PrA | Page 2 of 15


Part Number AD5293
Description Digital Potentiometer
Maker Analog Devices
Total Page 15 Pages
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