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BU9831F PDF预览

BU9831F

更新时间: 2024-01-17 05:38:35
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  
BU9831 / BU9831F  
Command modes  
Command  
Start bit Operation code Address  
Data  
Operation  
Write enabled  
WEN  
WDS  
WCR  
WCW  
DRD  
DWR  
1010  
1010  
1010  
1010  
1010  
1010  
1010  
1010  
1010  
0011  
0000  
1011  
0110  
1000  
0100  
1001  
0101  
1111  
XXXXXXXX  
XXXXXXXX  
Write disabled  
Wiper counter data output  
Wiper counter data input  
Data read  
XXXXXXXX D8 - D14 X  
Wiper counter output  
XXXXXXXX XXXXXXXX D8 - D14 X Input wiper counter  
A0 - A6 X D0 - D15  
A0 - A6 X D0 - D15  
Memory output  
Input memory  
Data write  
Transmission memory data read TDWR  
Transmission memory data write TWDW  
A0 - A6 X  
A0 - A6 X  
Memory wiper counter  
Wiper counter memory  
Wiper counter INC / DEC  
Increment / decrement wiper  
INC/DEC  
X: Don't Care (data may be either 0 or 1)  
Auto recall function (ARF)  
• After the power supply is turned on, the data for address 00h is automatically loaded and the wiper position set. At  
this point, if the data for address 00h is larger than 64h, the wiper position is set to 32h. Since the wiper position is  
set using seven bits, the eighth bit may be set to any value. This function is carried out 10ms after the power supply  
is turned on, and subsequently the IC enters the standby state.  
Operation timing characteristics (unless otherwise noted, Ta = – 20 to + 85°C, VCC = 5V ± 10%)  
Parameter  
Symbol Min.  
Typ. Max.  
Unit  
ns  
ns  
ns  
ns  
ns  
ns  
ms  
µs  
µs  
ns  
ns  
ns  
µs  
CS setup time  
CS hold time  
tCSS  
tCSH  
tDIS  
200  
0
Data setup time  
150  
150  
Data hold time  
tDIH  
tPD1  
tPD0  
tE / W  
tCS  
DO rise delay time  
350  
350  
10  
DO fall delay time  
Self-timed programming cycle  
CS minimum HIGH time  
Time during which READY / BUSY display is effective  
Time that DO is HIGH-Z from (CS)  
Data clock HIGH time  
1
tSV  
1
tOH  
0
400  
tWH  
450  
450  
Data clock LOW time  
tWL  
Resistance value stabilization time  
tAW  
500  
6

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