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AD5292SRUZ-20-EP PDF预览

AD5292SRUZ-20-EP

更新时间： 2024-11-21 20:10:35
品牌 Logo 应用领域
亚德诺 - ADI 光电二极管转换器电阻器
页数 文件大小 规格书
16页 491K
描述
Single Channel, 1024-Position, 1% R-Tol, Digital Potentiometer with 20-Times Programmable Memory

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AD5292SRUZ-20-EP 数据手册

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1024-Position, Digital Potentiometer with  
Maximum 1ꢀ ꢁ-ꢂoleranꢃe ꢄrror anꢅ 20-ꢂP Memorꢆ  
Data Sheet  
AD5292-ꢄP  
FEATURES  
FUNCTIONAL BLOCK DIAGRAM  
V
RESET  
DD  
Single-channel, 1024-position resolution  
20 kΩ nominal resistance  
Maximum 1ꢀ nominal resistor tolerance error (resistor  
performance mode)  
20-times programmable wiper memory  
Rheostat mode temperature coefficient: 35 ppm/°C  
Voltage divider temperature coefficient: 5 ppm/°C  
+9 V to +33 V single-supply operation  
9 V to 16.5 V dual-supply operation  
SPI-compatible serial interface  
POWER-ON  
RESET  
AD5292-EP  
V
LOGIC  
RDAC  
REGISTER  
SCLK  
SYNC  
A
DATA  
SERIAL  
INTERFACE  
W
OTP  
MEMORY  
BLOCK  
DIN  
B
Wiper setting readback  
SDO  
Power-on refreshed from 20-TP memory  
RDY  
ENHANCED PRODUCT FEATURES  
V
EXT_CAP  
GND  
SS  
Supports defense and aerospace applications (AQEC)  
Temperature range: −55°C to +125°C  
Controlled manufacturing baseline  
1 assembly/test site  
Figure 1.  
1 fabrication site  
Enhanced product change notification  
Qualification data available on request  
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 replacement  
Sensor calibration  
GENERAL DESCRIPTION  
The AD5292-EP is a single-channel, 1024-position digital  
potentiometer1 that combines industry leading variable resistor  
performance with nonvolatile memory (NVM) in a compact  
package. This device is capable of operating across a wide voltage  
range, supporting both dual supply operation at 10.5 V to 1ꢀ.5  
V and single-supply operation at +21 V to +33 V, while ensuring  
less than 1% end-to-end resistor tolerance error and offering 20-  
time programmable (20-TP) memory.  
The AD5292-EP device wiper settings are controllable through  
the SPI digital interface. Unlimited adjustments are allowed  
before programming the resistance value into the 20-TP memory.  
The AD5292-EP does not require any external voltage supply  
to facilitate fuse blow, and there are 20 opportunities for perma-  
nent programming. During 20-TP activation, a permanent blow  
fuse command freezes the wiper position (analogous to placing  
epoxy on a mechanical trimmer).  
The guaranteed industry leading low resistor tolerance error  
feature simplifies open-loop applications as well as precision  
calibration and tolerance matching applications.  
The AD5292-EP is available in a compact 14-lead TSSOP  
package. The part is guaranteed to operate over the extended  
industrial temperature range of −55°C to +125°C.  
Additional application and technical information can be found  
in the AD5292 data sheet.  
1 The terms digital potentiometer and RDAC are used interchangeably.  
Rev. 0  
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 registeredtrademarks arethe property of their respective owners.  
One Technology Way, P.O. Box 9106, Norwood, MA 02062-9106, U.S.A.  
Tel: 781.329.4700  
Fax: 781.461.3113  
www.analog.com  
©2011 Analog Devices, Inc. All rights reserved.  
 
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