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CAT5221Y-25 PDF预览

CAT5221Y-25

更新时间: 2024-11-23 21:02:23
品牌 Logo 应用领域
CATALYST 光电二极管转换器电阻器
页数 文件大小 规格书
16页 112K
描述
Digital Potentiometer, 2 Func, 2500ohm, 2-wire Serial Control Interface, 64 Positions, PDSO20, LEAD AND HALOGEN FREE, TSSOP-20

CAT5221Y-25 技术参数

是否Rohs认证: 符合生命周期:Transferred
零件包装代码:TSSOP包装说明:TSSOP,
针数:20Reach Compliance Code:unknown
ECCN代码:EAR99HTS代码:8542.39.00.01
风险等级:5.22控制接口:2-WIRE SERIAL
转换器类型:DIGITAL POTENTIOMETERJESD-30 代码:R-PDSO-G20
JESD-609代码:e3长度:3 mm
湿度敏感等级:1功能数量:2
位置数:64端子数量:20
最高工作温度:70 °C最低工作温度:
封装主体材料:PLASTIC/EPOXY封装代码:TSSOP
封装形状:RECTANGULAR封装形式:SMALL OUTLINE, THIN PROFILE, SHRINK PITCH
峰值回流温度(摄氏度):260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 V最小电阻器端电压:
座面最大高度:1.1 mm标称供电电压:5 V
表面贴装:YES标称温度系数:300 ppm/ °C
温度等级:COMMERCIAL端子面层:Matte Tin (Sn)
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:40
标称总电阻:2500 Ω宽度:4.4 mm
Base Number Matches:1

CAT5221Y-25 数据手册

 浏览型号CAT5221Y-25的Datasheet PDF文件第2页浏览型号CAT5221Y-25的Datasheet PDF文件第3页浏览型号CAT5221Y-25的Datasheet PDF文件第4页浏览型号CAT5221Y-25的Datasheet PDF文件第5页浏览型号CAT5221Y-25的Datasheet PDF文件第6页浏览型号CAT5221Y-25的Datasheet PDF文件第7页 
Advance Information  
E
CAT5221  
Dual Digitally Programmable Potentiometers (DPP™)  
with 64 Taps and 2-wire Interface  
TM  
FEATURES  
Automatic recall of saved wiper settings at  
Two linear-taper digitally programmable  
power up  
potentiometers  
2.5 to 6.0 volt operation  
64 resistor taps per potentiometer  
Standby current less than 1µA  
End to end resistance 2.5k, 10k, 50kor 100kΩ  
1,000,000 nonvolatile WRITE cycles  
100 year nonvolatile memory data retention  
20-lead SOIC and TSSOP packages  
Commercial and industrial temperature ranges  
Potentiometer control and memory access via  
2-wire interface (I2C like)  
Low wiper resistance, typically 80  
Nonvolatile memory storage for up to four wiper  
settings for each potentiometer  
DESCRIPTION  
registers is via a 2-wire serial bus (I2C-like). On power-  
up, the contents of the first data register (DR0) for each  
ofthefourpotentiometersisautomaticallyloadedintoits  
respective wiper control register (WCR).  
The CAT5221 is two Digitally Programmable  
Potentiometers (DPPs™) integrated with control logic  
and 16 bytes of NVRAM memory. Each DPP consists of  
aseriesof63resistiveelementsconnectedbetweentwo  
externallyaccessibleendpoints.Thetappointsbetween  
eachresistiveelementareconnectedtothewiperoutputs  
with CMOS switches. A separate 6-bit control register  
(WCR)independentlycontrolsthewipertapswitchesfor  
each DPP. Associated with each wiper control register  
are four 6-bit non-volatile memory data registers (DR)  
used for storing up to four wiper settings. Writing to the  
wiper control register or any of the non-volatile data  
The CAT5221 can be used as a potentiometer or as a  
two terminal, variable resistor. It is intended for circuit  
level or system level adjustments in a wide variety of  
applications.Itisavailableinthe0°Cto70°Ccommercial  
and -40°C to 85°C industrial operating temperature  
ranges and offered in a 20-lead SOIC package.  
FUNCTIONAL DIAGRAM  
PIN CONFIGURATION  
R
H0  
R
H1  
SOIC Package (J, W)  
TSSOP Package (U, Y)  
20  
19  
18  
17  
16  
15  
14  
13  
12  
11  
V
CC  
R
1
2
3
4
5
6
7
8
9
10  
W0  
WIPER  
CONTROL  
REGISTERS  
SCL  
SDA  
2-WIRE BUS  
INTERFACE  
NC  
NC  
NC  
R
L0  
R
H0  
R
R
W0  
W1  
A
A
0
2
A
1
CAT  
5221  
A
3
R
W1  
A0  
A1  
A2  
A3  
NONVOLATILE  
DATA  
REGISTERS  
CONTROL  
LOGIC  
SCL  
NC  
NC  
NC  
R
L1  
RH  
1
SDA  
GND  
R
R
L1  
L0  
© 2004 by Catalyst Semiconductor, Inc.  
Characteristics subject to change without notice  
Document No. 2113, Rev. G  
1

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