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AD5231BRUZ10-REEL7 PDF预览

AD5231BRUZ10-REEL7

更新时间: 2024-01-24 22:26:49
品牌 Logo 应用领域
亚德诺 - ADI 转换器数字电位计存储电阻器光电二极管
页数 文件大小 规格书
28页 536K
描述
Nonvolatile Memory, 1024-Position Digital Potentiometer

AD5231BRUZ10-REEL7 技术参数

是否无铅:含铅是否Rohs认证:符合
生命周期:Active零件包装代码:TSSOP
包装说明:TSSOP, TSSOP16,.25针数:16
Reach Compliance Code:compliantECCN代码:EAR99
HTS代码:8542.39.00.01风险等级:1.13
Is Samacsys:N其他特性:LINEAR OR LOG TAPER SETTINGS; NONVOLATILE MEMORY; CAN ALSO OPERATE FROM +/-2.25V TO +/-2.75V SUPPLY
标称带宽:0.37 kHz控制接口:3-WIRE SERIAL
转换器类型:DIGITAL POTENTIOMETERJESD-30 代码:R-PDSO-G16
JESD-609代码:e3长度:5 mm
湿度敏感等级:1功能数量:1
位置数:1024端子数量:16
最高工作温度:85 °C最低工作温度:-40 °C
封装主体材料:PLASTIC/EPOXY封装代码:TSSOP
封装等效代码:TSSOP16,.25封装形状:RECTANGULAR
封装形式:SMALL OUTLINE峰值回流温度(摄氏度):260
电源:+-2.5/3/5 V认证状态:Not Qualified
电阻定律:LOGARITHMIC最大电阻容差:20%
最大电阻器端电压:3 V最小电阻器端电压:
座面最大高度:1.2 mm子类别:Digital Potentiometers
标称供电电压:3 V表面贴装:YES
标称温度系数:600 ppm/ °C温度等级:INDUSTRIAL
端子面层:Matte Tin (Sn)端子形式:GULL WING
端子节距:0.65 mm端子位置:DUAL
处于峰值回流温度下的最长时间:30标称总电阻:100000 Ω
宽度:4.4 mmBase Number Matches:1

AD5231BRUZ10-REEL7 数据手册

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Nonvolatile Memory,  
1024-Position Digital Potentiometer  
AD5231  
Data Sheet  
FEATURES  
FUNCTIONAL BLOCK DIAGRAM  
1024-position resolution  
AD5231  
CS  
V
DD  
Nonvolatile memory maintains wiper setting  
Power-on refresh with EEMEM setting  
EEMEM restore time: 140 µs typ  
RDAC  
RDAC  
ADDR  
CLK  
SDI  
REGISTER  
DECODE  
A
SDI  
W
B
SERIAL  
INTERFACE  
Full monotonic operation  
GND  
EEMEM(0)  
10 kΩ, 50 kΩ, and 100 kΩ terminal resistance  
Permanent memory write protection  
Wiper setting readback  
Predefined linear increment/decrement instructions  
Predefined 6 dB/step log taper increment/decrement  
instructions  
SDO  
SDO  
WP  
DIGITAL  
O1  
O2  
REGISTER  
DIGITAL  
OUTOUT  
BUFFER  
2
EEMEM  
CONTROL  
RDY  
EEMEM(1)  
V
28 BYTES  
USER EEMEM  
SS  
SPI®-compatible serial interface  
PR  
3 V to 5 V single-supply or 2.5 V dual-supply operation  
28 bytes extra nonvolatile memory for user-defined data  
100-year typical data retention, TA = 55°C  
Figure 1.  
100  
75  
50  
25  
0
R
R
WB  
WA  
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  
0
256  
512  
768  
1023  
CODE (Decimal)  
Figure 2. RWA (D) and RWB (D) vs. Decimal Code  
GENERAL DESCRIPTION  
The AD5231 is a nonvolatile memory1, digitally controlled  
potentiometer2 with 1024-step resolution. The device performs  
the same electronic adjustment function as a mechanical  
potentiometer with enhanced resolution, solid state reliability,  
and remote controllability. The AD5231 has versatile programming  
that uses a standard 3-wire serial interface for 16 modes of  
operation and adjustment, including scratchpad programming,  
memory storing and restoring, increment/decrement, 6 dB/step  
log taper adjustment, wiper setting readback, and extra EEMEM  
for user-defined information, such as memory data for other  
components, look-up table, or system identification information.  
resistance between Terminals W–A and Terminals W–B. This  
setting can be stored into the EEMEM and is transferred  
automatically to the RDAC register during system power-on.  
The EEMEM content can be restored dynamically or through  
PR  
WP  
external  
strobing, and a  
function protects EEMEM  
contents. To simplify the programming, the linear-step increment  
or decrement commands can be used to move the RDAC wiper  
up or down, one step at a time. The 6 dB step commands can  
be used to double or half the RDAC wiper setting.  
The AD5231 is available in a 16-lead TSSOP. The part is  
guaranteed to operate over the extended industrial temperature  
range of −40°C to +85°C.  
In scratchpad programming mode, a specific setting can be  
programmed directly to the RDAC register that sets the  
1 The terms nonvolatile memory and EEMEM are used interchangeably.  
2 The terms digital potentiometer and RDAC are used interchangeably.  
Rev. D  
Document Feedback  
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  
rightsof third parties that may result fromits 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 andregisteredtrademarks 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 ©2001–2013 Analog Devices, Inc. All rights reserved.  
Technical Support  
www.analog.com  
 
 
 
 

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