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AD5292BRUZ-100-RL7 PDF预览

AD5292BRUZ-100-RL7

更新时间: 2024-09-24 12:33:55
品牌 Logo 应用领域
亚德诺 - ADI 转换器电位器数字电位计电阻器光电二极管
页数 文件大小 规格书
32页 1051K
描述
256-/1024-Position, Digital Potentiometers

AD5292BRUZ-100-RL7 数据手册

 浏览型号AD5292BRUZ-100-RL7的Datasheet PDF文件第2页浏览型号AD5292BRUZ-100-RL7的Datasheet PDF文件第3页浏览型号AD5292BRUZ-100-RL7的Datasheet PDF文件第4页浏览型号AD5292BRUZ-100-RL7的Datasheet PDF文件第5页浏览型号AD5292BRUZ-100-RL7的Datasheet PDF文件第6页浏览型号AD5292BRUZ-100-RL7的Datasheet PDF文件第7页 
256-/1024-Position, Digital Potentiometers with  
Maximum 1ꢀ ꢁ-ꢂoleranꢃe ꢄrror anꢅ 20-ꢂP Memorꢆ  
AD5291/AD5292  
FEATURES  
FUNCTIONAL BLOCK DIAGRAM  
V
RESET  
DD  
Single-channel, 256-/1024-position resolution  
20 kΩ, 50 kΩ, and 100 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  
AD5291/  
AD5292  
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  
APPLICATIONS  
V
EXT_CAP  
GND  
SS  
Mechanical potentiometer replacement  
Instrumentation: gain and offset adjustment  
Programmable voltage-to-current conversion  
Programmable filters, delays, and time constants  
Programmable power supply  
Figure 1.  
Low resolution DAC replacement  
Sensor calibration  
GENERAL DESCRIPTION  
The AD5291 and AD5292 are single-channel, 256-/1024-  
position digital potentiometers1 that combine industry leading  
variable resistor performance with nonvolatile memory (NVM)  
in a compact package. These devices are capable of operating  
across a wide voltage range, supporting both dual supply  
operation at 10.5 V to 16.5 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 AD5291 and AD5292 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 AD5291 and AD5292 do not require any  
external voltage supply to facilitate fuse blow, and there are 20  
opportunities for permanent programming. During 20-TP  
activation, a permanent blow fuse command freezes the wiper  
position (analogous to placing epoxy on a mechanical trimmer).  
The AD5291 and AD5292 are 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.  
The guaranteed industry leading low resistor tolerance error  
feature simplifies open-loop applications as well as precision  
calibration and tolerance matching applications.  
1 The terms digital potentiometer and RDAC are used interchangeably.  
Rev. D  
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  
www.analog.com  
Fax: 781.461.3113 ©2009–2010 Analog Devices, Inc. All rights reserved.  
 
 
 
 

AD5292BRUZ-100-RL7 替代型号

型号 品牌 替代类型 描述 数据表
AD5292BRUZ-100 ADI

完全替代

256-/1024-Position, Digital Potentiometers

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