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DS3902U-530+ PDF预览

DS3902U-530+

更新时间: 2024-11-22 20:00:27
品牌 Logo 应用领域
美信 - MAXIM 光电二极管转换器电阻器
页数 文件大小 规格书
11页 255K
描述
Digital Potentiometer, 2 Func, 50000ohm, 2-wire Serial Control Interface, 256 Positions, PDSO8, LEAD FREE, MICRO, SOP-8

DS3902U-530+ 技术参数

是否无铅: 不含铅是否Rohs认证: 符合
生命周期:Active零件包装代码:SOIC
包装说明:TSSOP, TSSOP8,.19针数:8
Reach Compliance Code:compliantECCN代码:EAR99
HTS代码:8542.39.00.01Factory Lead Time:6 weeks
风险等级:1.73其他特性:NONVOLATILE MEMORY; REST 2 RESISTOR ARRAY VALUE IS 30000 OHMS
控制接口:2-WIRE SERIAL转换器类型:DIGITAL POTENTIOMETER
JESD-30 代码:S-PDSO-G8JESD-609代码:e3
长度:3 mm湿度敏感等级:1
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封装等效代码:TSSOP8,.19
封装形状:SQUARE封装形式:SMALL OUTLINE, THIN PROFILE, SHRINK PITCH
峰值回流温度(摄氏度):260电源:2.5/5 V
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:5.5 V
最小电阻器端电压:-0.3 V座面最大高度:1.1 mm
子类别:Digital Potentiometers标称供电电压:3.3 V
表面贴装:YES温度等级:INDUSTRIAL
端子面层:MATTE TIN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:NOT SPECIFIED标称总电阻:50000 Ω
宽度:3 mmBase Number Matches:1

DS3902U-530+ 数据手册

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Rev 1; 2/06  
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  
Instrumentation and Industrial Controls  
RF Power Amps  
RESISTOR  
VALUES  
(R0, R1)  
TOP  
MARK  
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  
Ordering Information continued at end of data sheet.  
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.  
______________________________________________ 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.  

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