參數(shù)資料
型號(hào)： AD5293BRUZ-50-RL7
廠商： Analog Devices Inc
文件頁(yè)數(shù)： 1/24頁(yè)
文件大?。?/td> 0K
描述： IC DGTL POT 1024POS 50K 14TSSOP
標(biāo)準(zhǔn)包裝： 1,000
接片： 1024
電阻（歐姆）： 50k
電路數(shù)： 1
溫度系數(shù)： 標(biāo)準(zhǔn)值 35 ppm/°C
存儲(chǔ)器類型： 易失
接口： 4 線串行
電源電壓： 9 V ~ 33 V，±9 V ~ 16.5 V
工作溫度： -40°C ~ 105°C
安裝類型： 表面貼裝
封裝/外殼： 14-TSSOP（0.173"，4.40mm 寬）
供應(yīng)商設(shè)備封裝： 14-TSSOP
包裝： 帶卷 (TR)
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
07
67
5-
0
01
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.
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