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AD5242BR100-REEL7 PDF预览

AD5242BR100-REEL7

更新时间: 2024-01-22 02:38:28
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
16页 348K
描述
I2C Compatible 256-Position Digital Potentiometers

AD5242BR100-REEL7 技术参数

是否无铅: 含铅是否Rohs认证: 不符合
生命周期:Active零件包装代码:SOIC
包装说明:SOP,针数:16
Reach Compliance Code:unknown风险等级:5.79
其他特性:IT CAN ALSO OPERATE FROM A 3V NOM SINGLE SUPPLY OR +/-2.3V TO +/-2.7V DUAL SUPPLY标称带宽:0.069 kHz
控制接口:2-WIRE SERIAL转换器类型:DIGITAL POTENTIOMETER
JESD-30 代码:R-PDSO-G16JESD-609代码:e0
长度:9.9 mm湿度敏感等级:NOT APPLICABLE
标称负供电电压:-2.5 V功能数量:2
位置数:256端子数量:16
最高工作温度:105 °C最低工作温度:-40 °C
封装主体材料:PLASTIC/EPOXY封装代码:SOP
封装形状:RECTANGULAR封装形式:SMALL OUTLINE
峰值回流温度(摄氏度):220认证状态:COMMERCIAL
电阻定律:LINEAR最大电阻容差:50%
最大电阻器端电压:5.5 V最小电阻器端电压:-2.3 V
座面最大高度:1.75 mm标称供电电压:2.5 V
表面贴装:YES标称温度系数:30 ppm/ °C
温度等级:INDUSTRIAL端子面层:TIN LEAD
端子形式:GULL WING端子节距:1.27 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:3.9 mm
Base Number Matches:1

AD5242BR100-REEL7 数据手册

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I2C® Compatible  
256-Position Digital Potentiometers  
a
AD5241/AD5242  
FUNCTIONAL BLOCK DIAGRAM  
FEATURES  
256 Positions  
10 k, 100 k, 1 Mꢀ  
A
W
B
1
O
O
2
1
1
1
Low Tempco 30 ppm/C  
Internal Power ON Midscale Preset  
Single-Supply 2.7 V to 5.5 V or  
Dual-Supply 2.7 V for AC or Bipolar Operation  
I2C Compatible Interface with Readback Capability  
Extra Programmable Logic Outputs  
Self-Contained Shutdown Feature  
Extended Temperature Range –40C to +105C  
SHDN  
AD5241  
V
DD  
RDAC  
REGISTER 1  
REGISTER 2  
V
SS  
ADDR  
DECODE  
8
APPLICATIONS  
Multimedia, Video, and Audio  
Communications  
SDA  
SCL  
GND  
PWR-ON  
RESET  
SERIAL INPUT REGISTER  
Mechanical Potentiometer Replacement  
Instrumentation: Gain, Offset Adjustment  
Programmable Voltage-to-Current Conversion  
Line Impedance Matching  
AD1  
AD0  
A
1
W
B
1
A
W
B
O
1
O
2
1
2
2 2  
REGISTER  
SHDN  
GENERAL DESCRIPTION  
V
DD  
The AD5241/AD5242 provide a single-/dual-channel, 256-  
position, digitally controlled variable resistor (VR) device. These  
devices perform the same electronic adjustment function as a  
potentiometer, trimmer, or variable resistor. Each VR offers a  
completely programmable value of resistance between the A  
Terminal and the wiper, or the B Terminal and the wiper.  
For AD5242, the fixed A-to-B terminal resistance of 10 k,  
100 k, or 1 Mhas a 1% channel-to-channel matching  
tolerance. The nominal temperature coefficient of both parts is  
30 ppm/°C.  
RDAC  
REGISTER 1  
RDAC  
REGISTER 2  
V
SS  
ADDR  
DECODE  
AD5242  
8
1
SDA  
SCL  
GND  
PWR-ON  
RESET  
SERIAL INPUT REGISTER  
AD1  
AD0  
Wiper position programming defaults to midscale at system  
power ON. Once powered, the VR wiper position is programmed  
by an I2C compatible 2-wire serial data interface. Both parts  
have available two extra programmable logic outputs that  
enable users to drive digital loads, logic gates, LED drivers, and  
analog switches in their system.  
The AD5241/AD5242 are available in surface-mount (SOIC-14/-  
16) packages and, for ultracompact solutions, TSSOP-14/-16  
packages. All parts are guaranteed to operate over the  
extended temperature range of –40°C to +105°C. For 3-wire,  
SPI compatible interface applications, please refer to AD5200,  
AD5201, AD5203, AD5204, AD5206, AD5231*, AD5232*,  
AD5235*, AD7376, AD8400, AD8402, and AD8403 products.  
*Nonvolatile digital potentiometer  
I2C is a registered trademark of Philips Corporation.  
REV. B  
Information furnished by Analog Devices is believed to be accurate and  
reliable. However, no responsibility is assumed by Analog Devices for its  
use, norforanyinfringementsofpatentsorotherrightsofthirdpartiesthat  
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  
www.analog.com  
© Analog Devices, Inc., 2002  

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