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BU9831F PDF预览

BU9831F

更新时间: 2024-01-10 10:59:41
品牌 Logo 应用领域
罗姆 - ROHM 转换器电位器数字电位计电阻器光电二极管电子
页数 文件大小 规格书
13页 150K
描述
Non-volatile electronic potentiometer

BU9831F 技术参数

是否Rohs认证: 符合生命周期:Obsolete
零件包装代码:SOIC包装说明:LSOP, SOP8,.25
针数:8Reach Compliance Code:unknown
ECCN代码:EAR99HTS代码:8542.39.00.01
风险等级:5.84其他特性:NONVOLATILE MEMORY
控制接口:2-WIRE SERIAL转换器类型:DIGITAL POTENTIOMETER
JESD-30 代码:R-PDSO-G8JESD-609代码:e3/e2
长度:5 mm功能数量:1
位置数:100端子数量:8
最高工作温度:85 °C最低工作温度:-20 °C
封装主体材料:PLASTIC/EPOXY封装代码:LSOP
封装等效代码:SOP8,.25封装形状:RECTANGULAR
封装形式:SMALL OUTLINE, LOW PROFILE峰值回流温度(摄氏度):260
电源:3/5 V认证状态:Not Qualified
电阻定律:LINEAR最大电阻器端电压:3 V
最小电阻器端电压:座面最大高度:1.6 mm
子类别:Digital Potentiometers标称供电电压:3 V
表面贴装:YES技术:CMOS
温度等级:OTHER端子面层:TIN/TIN COPPER
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:10
标称总电阻:100000 Ω宽度:4.4 mm
Base Number Matches:1

BU9831F 数据手册

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Memory ICs  
Non-volatile electronic potentiometer  
BU9831 / BU9831F  
The BU9831 / BU9831F is a non-volatile electronic potentiometer with an internal 2k bit EEPROM. The resistance  
value can be set by means of serial communications, and because the product contains an internal memory, condi-  
tions can be retained.  
In addition, the 2k bit memory capacity enables digital data to be stored in the memory.  
Applications  
Portable LCD backlight adjustment devices for notebook computers, and other sound adjustment devices for sets  
Features  
1) Internal 2k bit EEPROM  
2) 100k(1kΩ × 100 steps) electronic potentiometer  
3) Data in memory is automatically read when power supply is turned on, and resistance value is set.  
4) Resistance value can be set using serial communications.  
5) Low current consumption  
When operating: 3mA (max.)  
In standby mode: 200µA (max.)  
Absolute maximum ratings (Ta = 25°C)  
Parameter  
Symbol  
Limits  
Unit  
V
Applied voltage  
VCC  
– 0.3 ~ + 7.0  
1
BU9831  
BU9831F  
500  
Power  
dissipation  
Pd  
mW  
2
350  
Storage temperature  
Operating temperature  
Input voltage  
Tstg  
Topr  
– 65 ~ + 125  
– 20 ~ + 85  
– 0.3 ~ VCC + 0.3  
± 1.0  
°C  
°C  
V
Wiper current  
mA  
IW  
1 Reduced by 5.0mW for each increase in Ta of 1°C over 25°C.  
2 Reduced by 3.5mW for each increase in Ta of 1°C over 25°C.  
Recommended operating conditions  
Parameter  
Power supply voltage  
Power supply voltage for writing  
Input voltage  
Symbol  
VCC  
Limits  
2.7 ~ 5.5  
2.8 ~ 5.5  
0 ~ VCC  
0 ~ VCC  
0 ~ VCC  
Unit  
V
V
V
V
V
Vccwr  
VIN  
Voltage at resistor ends  
Wiper pin voltage  
VRHL  
VW  
1

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