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DS3902U-515/T&R

更新时间： 2024-11-07 13:07:27
品牌 Logo 应用领域
美信 - MAXIM 转换器数字电位计电阻器可变电阻器光电二极管可编程只读存储器电动程控只读存储器电可擦编程只读存储器
页数 文件大小 规格书
11页 651K
描述
Digital Potentiometer, 2 Func, 50000ohm, 2-wire Serial Control Interface, 256 Positions, PDSO8, USOP-8

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DS3902U-515/T&R 技术参数

生命周期：Active零件包装代码：SOIC
包装说明：USOP-8针数：8
Reach Compliance Code：compliantECCN代码：EAR99
HTS代码：8542.39.00.01风险等级：5.36
Is Samacsys：N控制接口：2-WIRE SERIAL
转换器类型：DIGITAL POTENTIOMETERJESD-30 代码：S-PDSO-G8
JESD-609代码：e0长度：3 mm
功能数量：2位置数：256
端子数量：8最高工作温度：95 °C
最低工作温度：-40 °C封装主体材料：PLASTIC/EPOXY
封装代码：TSSOP封装形状：SQUARE
封装形式：SMALL OUTLINE, THIN PROFILE, SHRINK PITCH认证状态：Not Qualified
电阻定律：LINEAR最大电阻容差：20%
最大电阻器端电压：0.6 V最小电阻器端电压：
座面最大高度：1.1 mm标称供电电压：3.3 V
表面贴装：YES温度等级：INDUSTRIAL
端子面层：TIN LEAD端子形式：GULL WING
端子节距：0.65 mm端子位置：DUAL
标称总电阻：50000 Ω宽度：3 mm
Base Number Matches：1

DS3902U-515/T&R 数据手册

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Rev 0; 5/04  
Dual, NV, Variable Resistors  
with User EEPROM  
General Description  
Features  
♦ Dual 256-Position Linear Digital Resistors  
The DS3902 features a dual, nonvolatile (NV), low tem-  
perature-coefficient, variable digital resistor with 256  
user-selectable positions. The DS3902 can operate  
over a wide supply range of 2.4V to 5.5V, and commu-  
nication with the device is achieved through an I2C™-  
compatible serial interface. Internal address settings  
allow the DS3902 slave address to be programmed to  
one of 128 possible addresses. The low cost and the  
small size of the DS3902 make it an ideal replacement  
for conventional mechanical-trimming resistors.  
♦ Available as 50kΩ/30kΩ or 50kΩ/15kΩ  
♦ Resistor Settings Stored in NV Memory  
♦ Low Temperature Coefficient  
2
♦ I C-Compatible Serial Interface  
♦ Wide Operating Voltage (2.4V to 5.5V)  
♦ Software Write Protection  
♦ User-EEPROM Memory  
♦ Programmable Slave Address  
♦ Operating Temperature Range: -40°C to +95°C  
♦ Small 8-Pin µSOP Package  
Applications  
Optical Transceivers  
Ordering Information  
Optical Transponders  
RESISTOR  
VALUES  
(R0, R1)  
Instrumentation and Industrial Controls  
RF Power Amps  
TOP  
BRAND  
PIN-  
PACKAGE  
PART  
Audio Power-Amp Biasing  
DS3902U-530  
DS3902U-515  
30kΩ, 50kΩ  
15kΩ, 50kΩ  
3902A  
3902B  
8 µSOP  
8 µSOP  
Replacement for Mechanical Variable Resistors  
and DIP Switches  
*Add /T&R for Tape & Reel orders.  
Typical Operating Circuit  
V
CC  
V
CC  
IN+  
0.1µF  
V
CC  
IN-  
TX_DISABLE  
TX_FAULT  
4.7kΩ  
4.7kΩ  
OUT-  
DS3902  
2
SCL  
SDA  
BIAS SET  
MOD SET  
BIASMAX  
OUT+  
BIAS+  
BIAS-  
MD  
2-WIRE  
MASTER  
LASER  
DRIVER IC  
H0  
H1  
2
APCSET  
2
V
CC  
MODSET  
1
ADD_SEL  
PC_MON  
BS_MON  
GND  
NOTES:  
1. WITH ADD_SEL TIED TO GND, THE SLAVE ADDRESS WILL BE A2H.  
2. FOR A DETAILED APPLICATION DIAGRAM OF A SPECIFIC LD,  
CONSULT THE LASER DRIVER DATA SHEET.  
Pin Configuration appears at end of data sheet.  
2
2
I C is a trademark of Philips Corp. Purchase of I C components of Maxim Integrated Products, Inc., or one of its Associated  
2
2
Companies, conveys a license under the Philips I C Patent Rights to use these components in an I C system, provided that the sys-  
tem conforms to the I C Standard Specification as defined by Philips.  
2
______________________________________________ Maxim Integrated Products  
1
For pricing, delivery, and ordering information, please contact Maxim/Dallas Direct! at  
1-888-629-4642, or visit Maxim’s website at www.maxim-ic.com.  
1234567...11

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DS3903 MAXIM

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DS3903E-020/R MAXIM

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