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AD5235BRU25 PDF预览

AD5235BRU25

更新时间： 2024-02-26 16:44:31
品牌 Logo 应用领域
亚德诺 - ADI 电位器
页数 文件大小 规格书
10页 104K
描述
Nonvolatile Memory, Dual 1024 Position Digital Potentiometers

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AD5235BRU25 技术参数

是否无铅： 含铅是否Rohs认证： 不符合
生命周期：Obsolete零件包装代码：TSSOP
包装说明：TSSOP, TSSOP16,.25针数：16
Reach Compliance Code：not_compliantECCN代码：EAR99
HTS代码：8542.39.00.01风险等级：5.47
Samacsys Description：1024-Position Digital Potentiometer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：0.125 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：e0长度：5 mm
湿度敏感等级：1功能数量：2
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, THIN PROFILE, SHRINK PITCH峰值回流温度（摄氏度）：240
电源：+-2.5/3/5 V认证状态：Not Qualified
电阻定律：LOGARITHMIC最大电阻容差：30%
最大电阻器端电压：5 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：5 V表面贴装：YES
标称温度系数：35 ppm/ °C温度等级：INDUSTRIAL
端子面层：Tin/Lead (Sn85Pb15)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：25000 Ω
宽度：4.4 mm

AD5235BRU25 数据手册

 浏览型号AD5235BRU25的Datasheet PDF文件第2页浏览型号AD5235BRU25的Datasheet PDF文件第3页浏览型号AD5235BRU25的Datasheet PDF文件第4页浏览型号AD5235BRU25的Datasheet PDF文件第5页浏览型号AD5235BRU25的Datasheet PDF文件第6页浏览型号AD5235BRU25的Datasheet PDF文件第7页 
PRELIMINARY TECHNICAL DATA  
Nonvolatile Memory, Dual 1024  
Position Digital Potentiometers  
a
AD5235  
FUNCTIONAL BLOCK DIAGRAMS  
FEATURES  
Dual, 1024 Position Resolution  
25K, 250K Ohm Terminal Resistance with 50ppm/°C Tempco  
Nonvolatile Memory Preset  
SPI Compatible Serial Data Input with Readback Function  
Increment/Decrement Commands, Push Button Command  
+3 to +5V Single Supply Operation  
V
DD  
RDAC1  
A1  
ADDRESS  
DECODE  
RDAC1  
REGISTER  
CS  
W1  
B1  
CLK  
S E R IA L  
IN P U T  
R E G IS TE R  
SDI  
EEMEM1  
SDO  
±2.5V Dual Supply Operation  
30 bytes of general purpose nonvolatile memory  
RDAC2  
A2  
RDAC2  
APPLICATIONS  
REGISTER  
PWR ON  
PRESET  
W2  
B2  
PR  
Mechanical Potentiometer Replacement  
Instrumentation: Gain, Offset Adjustment  
Programmable Voltage to Current Conversion  
Programmable Filters, Delays, Time Constants  
Line Impedance Matching  
WP  
EEMEM  
CONTROL  
V
SS  
EEMEM2  
RDY  
GND  
Power Supply Adjustment  
DIP Switch Setting  
SPARE  
EEMEM  
GENERAL DESCRIPTION  
The AD5235 provides a dual channel, digitally controlled variable  
resistor (VR) with resolutions of 1024 positions. These devices  
perform the same electronic adjustment function as a potentiometer or  
variable resistor. The AD5235’s versatile programming via a Micro  
Controller allows multiple modes of operation and adjustment.  
In the direct program mode a predetermined setting of the RDAC  
register can be loaded directly from the micro controller. Another key  
mode of operation allows the RDAC register to be refreshed with the  
setting previously stored in the EEMEM register. When changes are  
made to the RDAC register to establish a new wiper position, the  
value of the setting can be saved into the EEMEM by executing an  
EEMEM save operation. Once the settings are saved in the EEMEM  
register, these values will be transferred automatically to the RDAC  
register to set the wiper position at system power ON. Such operation  
is enabled by the internal preset strobe and the preset can also be  
accessed externally.  
An internal scratch pad RDAC register can be programmed by the  
micro controller to set the resistance between terminals W-and-B.  
Once the target value is achieved, the RDAC content register can be  
placed in the non-volatile memory for automatic recall during Power  
Up.  
The AD5235 is available in the thin TSSOP-16 package. All parts are  
guaranteed to operate over the extended industrial temperature range  
of -40°C to +85°C.  
REV PrD 6 Nov 2000  
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 which may result from its use. No license is granted by implication  
or otherwise under any patent or patent rights of Analog Devices.  
One Technology Way, P.O. Box 9106, Norwood, MA 02062-9106 U.S.A.  
Tel: 781/329-4700 Fax:781/326-8703  
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