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CAT5409U-10

更新时间： 2024-11-03 05:21:15
品牌 Logo 应用领域
CATALYST 光电二极管
页数 文件大小 规格书
17页 106K
描述
IC QUAD 10K DIGITAL POTENTIOMETER, 2-WIRE SERIAL CONTROL INTERFACE, 64 POSITIONS, PDSO24, TSSOP-24, Digital Potentiometer

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CAT5409U-10 数据手册

 浏览型号CAT5409U-10的Datasheet PDF文件第2页浏览型号CAT5409U-10的Datasheet PDF文件第3页浏览型号CAT5409U-10的Datasheet PDF文件第4页浏览型号CAT5409U-10的Datasheet PDF文件第5页浏览型号CAT5409U-10的Datasheet PDF文件第6页浏览型号CAT5409U-10的Datasheet PDF文件第7页 
Preliminary Information  
E
CAT5409  
Quad Digitally Programmable Potentiometers (DPP™) with 64 Taps and  
2-wire Interface  
TM  
FEATURES  
■ Recall of saved wiper settings at power-up  
■ 2.5 to 6.0 volt operation  
■ Four linear-taper digital potentiometers  
■ 64 resistor taps per potentiometer  
■ End-to-end resistance 2.5kΩ, 10kΩ, 50kΩ or 100kΩ  
■ 2-wire interface (I2C like)  
■ Standby current less than 1µA  
■ 1,000,000 nonvolatile WRITE cycles  
■ 100 year nonvolatile memory data retention  
■ 24-lead SOIC, 24-lead TSSOP and BGA  
■ Write protection for data register  
■ Low wiper resistance, typically 80Ω  
■ Four non-volatile wiper settings for each  
potentiometer  
DESCRIPTION  
four potentiometers is automatically loaded into its  
respective wiper control register (WCR).  
The CAT5409 is four Digitally Programmable  
Potentiometers (DPP™) integrated with control logic  
and 16 bytes of NVRAM memory.  
The Write Protection (WP) pin protects against  
inadvertent programming of the data register.  
A separate 6-bit control register (WCR) independently  
controls the wiper tap position for 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 registers  
is via a 2-wire serial bus (I2C-like). On power-up, the  
contents of the first data register (DR0) for each of the  
The CAT5409 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. Available in 0°C to 70°C and  
-40°C to 85°C operating temperature ranges, the  
CAT5409 is offered in 24-lead SOIC and TSSOP  
packages or in a chip scale BGA.  
FUNCTIONAL DIAGRAM  
PIN CONFIGURATION  
SOIC Package (J, W)  
TSSOP Package (U, Y)  
R
R
H3  
R
R
H2  
H1  
H0  
24  
23  
22  
21  
20  
19  
18  
17  
16  
15  
14  
13  
NC  
R
24  
23  
22  
21  
20  
19  
18  
17  
16  
15  
14  
13  
WP  
V
1
SDA  
1
CC  
A
2
R
2
A
1
2
L3  
L0  
R
R
A
R
W0  
R
R
3
R
L1  
3
R
R
R
H3  
H0  
W0  
W1  
W2  
W3  
WIPER  
CONTROL  
REGISTERS  
SCL  
SDA  
2-WIRE BUS  
INTERFACE  
R
R
V
4
R
H1  
4
W3  
H0  
L0  
W0  
A
2
5
R
W1  
5
0
NC  
WP  
6
GND  
NC  
6
CC  
WP  
CAT  
5409  
CAT  
5409  
A
3
NC  
SDA  
7
7
A0  
A1  
A2  
A3  
NONVOLATILE  
DATA  
REGISTERS  
SCL  
R
R
R
A
A
1
8
R
8
CONTROL  
LOGIC  
L3  
W2  
R
L2  
R
9
R
H2  
9
H3  
W3  
R
L1  
R
H2  
R
10  
11  
12  
R
L2  
10  
11  
12  
H1  
R
W2  
R
W1  
SCL  
0
R
R
L3  
R
R
L2  
L0  
L1  
NC  
NC  
GND  
A
3
1
2
3
4
R
W0  
A
2
A
1
R
L1  
A
R
WP  
SDA  
R
W1  
L0  
B
C
D
E
F
V
CC  
R
R
V
H0  
H3  
H1  
H2  
SS  
NC  
BGA  
NC  
R
R
R
L3  
NC  
A
R
W2  
3
R
W3  
A
0
SCL  
R
L2  
Top View - Bump Side Down  
1
© 2003 by Catalyst Semiconductor, Inc.  
Characteristics subject to change without notice  
Document No. 2010, Rev. H  
1234567...17

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