ISL22414 Datasheet, PDF (2/16 Pages) Intersil Corporation – Single Digitally Controlled Potentiometer

Block Diagram
ISL22414
VCC
V-
SCK
RH
POWER UP
SDO
INTERFACE,
SDI
SPI
INTERFACE
CS
CONTROL
AND
STATUS
LOGIC
WR
VOLATILE
REGISTER
AND
WIPER
CONTROL
CIRCUITRY
NON-VOLATILE
REGISTERS
RL
RW
GND
Pin Descriptions
MSOP PIN
1
2
3
4
5
6
7
8
9
10
SYMBOL
SCK
SDO
SDI
CS
V-
GND
RL
RW
RH
VCC
DESCRIPTION
SPI interface clock input
Data Output of the SPI serial interface
Data Input of the SPI serial interface
Chip Select active low input
Negative power supply pin
Device ground pin
“Low” terminal of DCP
“Wiper” terminal of DCP
“High” terminal of DCP
Power supply pin
2
FN6424.1
December 16, 2010