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ISL22446 Folha de dados(PDF) 2 Page - Intersil Corporation

Nome de Peças ISL22446
Descrição Electrónicos  Quad Digitally Controlled Potentiometer XDCP
Download  15 Pages
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Fabricante Electrônico  INTERSIL [Intersil Corporation]
Página de início  http://www.intersil.com/cda/home
Logo INTERSIL - Intersil Corporation

ISL22446 Folha de dados(HTML) 2 Page - Intersil Corporation

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2
FN6181.2
September 9, 2009
Block Diagram
SPI
INTERFACE
VCC
RH0
RH1
RH2
RH3
GND
RL0
RL1
RL2
RL3
RW0
RW1
RW2
RW3
SCK
SDI
SDO
CS
WR3
WR2
WR1
WR0
SHDN
POWER UP
INTERFACE,
CONTROL
AND STATUS
LOGIC
NON-
VOLATILE
REGISTERS
Pin Descriptions
TSSOP PIN
NUMBER
TQFN PIN
NUMBER
SYMBOL
DESCRIPTION
1
3
RH3
“High” terminal of DCP3
2
4
RL3
“Low” terminal of DCP3
3
5
RW3
“Wiper” terminal of DCP3
4
6
NC
No connect
5
7
SCK
SPI clock input
6
8
SDO
SPI Open drain Data Output
7
9
GND
Device ground pin
8
10
RW2
“Wiper” terminal of DCP2
9
11
RL2
“Low” terminal of DCP2
10
12
RH2
“High” terminal of DCP2
11
13
RW1
“Wiper” terminal of DCP1
12
14
RL1
“Low” terminal of DCP1
13
15
RH1
“High” terminal of DCP1
14
16
CS
SPI Chip Select active low input
15
17
SDI
SPI Data Input
16
18
VCC
Power supply pin
17
19
SHDN
Shutdown active low input
18
20
RH0
“High” terminal of DCP0
19
1
RL0
“Low” terminal of DCP0
20
2
RW0
“Wiper” terminal of DCP0
EPAD*
Exposed Die Pad internally connected to GND
*NOTE: PCB thermal land for QFN EPAD should be connected to GND plane or left floating. For more information refer to
http://www.intersil.com/data/tb/TB389.pdf
ISL22446


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