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CAT5259JI-50

更新时间： 2024-09-17 20:53:07
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 137K
描述
Digital Potentiometer, 4 Func, 50000ohm, 2-wire Serial Control Interface, 256 Positions, PDSO24, SOIC-24

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CAT5259JI-50 技术参数

是否Rohs认证： 不符合生命周期：Transferred
零件包装代码：SOIC包装说明：SOP, SOP24,.4
针数：24Reach Compliance Code：unknown
ECCN代码：EAR99HTS代码：8542.39.00.01
风险等级：5.2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-G24JESD-609代码：e0
长度：15.4 mm湿度敏感等级：1
功能数量：4位置数：256
端子数量：24最高工作温度：85 °C
最低工作温度：-40 °C封装主体材料：PLASTIC/EPOXY
封装代码：SOP封装等效代码：SOP24,.4
封装形状：RECTANGULAR封装形式：SMALL OUTLINE
峰值回流温度（摄氏度）：240电源：3/5 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 V
最小电阻器端电压：座面最大高度：2.65 mm
子类别：Digital Potentiometers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：INDUSTRIAL端子面层：Tin/Lead (Sn/Pb)
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：30
标称总电阻：50000 Ω宽度：7.5 mm
Base Number Matches：1

CAT5259JI-50 数据手册

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E
CAT5259  
Quad Digitally Programmable Potentiometers (DPP™)  
with 256 Taps and 2-wire Interface  
TM  
FEATURES  
■ Four linear taper digitally programmable  
■ Automatic recall of saved wiper settings at  
potentiometers  
power up  
■ 256 resistor taps per potentiometer  
■ End to end resistance 50kΩ or 100kΩ  
■ 2.5 to 6.0 volt operation  
■ Standby current less than 1 µA  
■ 1,000,000 nonvolatile WRITE cycles  
■ 100 year nonvolatile memory data retention  
■ 24-lead SOIC and 24-lead TSSOP packages  
■ Industrial temperature range  
■ Potentiometer control and memory access via  
2-wire interface (I2C like)  
■ Low wiper resistance, typically 100Ω  
■ Nonvolatile memory storage for up to four  
wiper settings for each potentiometer  
DESCRIPTION  
The CAT5259 is four digitally programmable  
potentiometers (DPPs™) integrated with control logic  
and 16 bytes of NVRAM memory. Each DPP consists of  
a series of resistive elements connected between two  
externallyaccessibleendpoints.Thetappointsbetween  
eachresistiveelementareconnectedtothewiperoutputs  
with CMOS switches. A separate 8-bit control register  
(WCR)independentlycontrolsthewipertapswitchesfor  
each DPP. Associated with each wiper control register  
are four 8-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  
registers is via a 2-wire serial bus. On power-up, the  
contents of the first data register (DR0) for each of the  
four potentiometers is automatically loaded into its  
respective wiper control registers.  
The CAT5259 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 24-lead SOIC and TSSOP  
package.  
FUNCTIONAL DIAGRAM  
PIN CONFIGURATION  
SOIC/TSSOP Package (J, W/U, Y)  
R
R
H3  
R
H1  
R
H2  
H0  
24  
23  
22  
21  
20  
19  
18  
17  
16  
15  
14  
13  
1
NC  
A0  
A3  
2
SCL  
RL2  
RH2  
R
R
R
W0  
W1  
W2  
W3  
3
R
WIPER  
CONTROL  
REGISTERS  
SCL  
SDA  
W3  
H3  
L3  
2-WIRE BUS  
INTERFACE  
4
R
R
5
R
W2  
WP  
6
NC  
NC  
CAT  
5259  
7
V
GND  
CC  
A0  
A1  
A2  
A3  
NONVOLATILE  
DATA  
REGISTERS  
8
CONTROL  
LOGIC  
R
R
W1  
L0  
9
R
R
R
R
H0  
H1  
10  
11  
12  
R
L1  
W0  
A2  
A1  
R
R
L3  
R
R
L2  
L1  
L0  
WP  
SDA  
© 2004 by Catalyst Semiconductor, Inc.  
Characteristics subject to change without notice  
Document No. 2000, Rev. F  
1
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