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X9221UPM PDF预览

X9221UPM

更新时间: 2024-10-02 22:10:31
品牌 Logo 应用领域
XICOR 转换器数字电位计电阻器光电二极管
页数 文件大小 规格书
14页 67K
描述
Dual E2POT⑩ Nonvolatile Digital Potentiometer

X9221UPM 技术参数

是否Rohs认证:不符合生命周期:Obsolete
包装说明:PLASTIC, DIP-20Reach Compliance Code:unknown
风险等级:5.82Is Samacsys:N
控制接口:2-WIRE SERIAL转换器类型:DIGITAL POTENTIOMETER
JESD-30 代码:R-PDIP-T20JESD-609代码:e0
长度:25.905 mm位置数:64
端子数量:20最高工作温度:125 °C
最低工作温度:-55 °C封装主体材料:PLASTIC/EPOXY
封装代码:DIP封装等效代码:DIP20,.3
封装形状:RECTANGULAR封装形式:IN-LINE
电源:5 V认证状态:Not Qualified
电阻定律:LINEAR最大电阻器端电压:5 V
最小电阻器端电压:-5 V座面最大高度:5.33 mm
子类别:Digital Potentiometers标称供电电压:5 V
表面贴装:NO技术:CMOS
温度等级:MILITARY端子面层:Tin/Lead (Sn/Pb)
端子形式:THROUGH-HOLE端子节距:2.54 mm
端子位置:DUAL标称总电阻:50000 Ω
宽度:7.62 mmBase Number Matches:1

X9221UPM 数据手册

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APPLICATION NOTES  
A V A I L A B L E  
AN20 • AN42 • AN44–48 • AN50 • AN52 • AN53 • AN73  
Terminal Voltage ±5V, 64 Taps  
X9221  
Dual E2POTNonvolatile Digital Potentiometer  
FEATURES  
DESCRIPTION  
2
2
Two E POTs in One Package  
Two-Wire Serial Interface  
Register Oriented Format  
—Directly Write Wiper Position  
—Read Wiper Position  
The X9221 integrates two nonvolatile E POT™ digitally  
controlled potentiometers on a monolithic CMOS micro-  
circuit.  
The X9221 contains two resistor arrays, each com-  
posed of 63 resistive elements. Between each element  
and at either end are tap points accessible to the wiper  
elements. The position of the wiper element on the array  
is controlled by the user through the two-wire serial bus  
interface.  
—Store as Many as Four Positions per Pot  
Instruction Format  
—Quick Transfer of Register Contents to  
Resistor Array  
Low Power CMOS  
Direct Write Cell  
—Endurance - 100,000 Writes per Register  
—Register Data Retention - 100 years  
Eachresistorarrayhasassociatedwithitawipercounter  
register and four 8-bit data registers that can be directly  
written and read by the user. The contents of the wiper  
counter register control the position of the wiper on the  
resistor array.  
2
8 Bytes of E PROM memory  
3 Resistor Array Values  
—2Kto 50KMask Programmable  
Resolution: 64 Taps each Pot  
Thedataregistermaybereadorwrittenbytheuser. The  
contents of the data registers can be transferred to the  
wiper counter register to position the wiper. The current  
wiper position can be transferred to any one of its  
associated data registers.  
20-Lead Plastic DIP and 20-Lead SOIC Packages  
FUNCTIONAL DIAGRAM  
R0 R1  
VH0  
WIPER  
COUNTER  
REGISTER  
(WCR)  
VL0  
VW0  
R2 R3  
SCL  
SDA  
A0  
A1  
INTERFACE  
AND  
CONTROL  
CIRCUITRY  
8
A2  
A3  
DATA  
VH1  
R0 R1  
R2 R3  
WIPER  
COUNTER  
REGISTER  
(WCR)  
RESISTOR  
ARRAY  
POT 1  
VL1  
VW1  
3079 ILL F07.1  
© Xicor, Inc. 1994, 1995, 1996 Patents Pending.  
3079-1.6 6/12/96 T1/C1/D0 NS  
Characteristics subject to change without notice  
1

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