isl90842 Intersil Corporation, isl90842 Datasheet - Page 2

• Manufacturer Part Number: isl90842
• Description: Quad Digitally Controlled Potentiometers Xdcp?
• Manufacturer: Intersil Corporation

Functional Diagram
Block Diagram
Pin Descriptions
TSSOP PIN
10
12
13
14
11
1
2
3
4
5
6
7
8
9
SDA
SCL
A1
A0
SDA
SCL
A0
A1
2
SYMBOL
I
2
C INTERFACE
RW3
GND
RW2
RW1
RW0
SDA
VCC
RH3
SCL
RH2
RH1
RH0
A0
A1
INTERFACE
GND
V
I
2
CC
C
* THE R
AND STATUS
“High” terminal of DCP3
“Wiper” terminal of DCP3
I
Serial data I/O for the I
Device ground pin
“Wiper” terminal of DCP2
“High” terminal of DCP2
“Wiper” terminal of DCP1
“High” terminal of DCP1
Device address for the I
Device address for the I
Power supply pin
“High” terminal of DCP0
“Wiper” terminal of DCP0
INTERFACE,
POWER-UP,
2
CONTROL
L
C interface clock
R
LOGIC
R
PINS OF EACH DCP ARE LEFT FLOATING
H0
L
R
W0
ISL90842
GND
V
CC
R
R
H1
L
2
C interface
2
2
C interface
C interface
R
W1
WR3
WR2
WR1
WR0
R
R
H2
L
DESCRIPTION
R
DCP3
DCP2
DCP1
DCP0
W2
R
R
H3
L
*
*
*
*
R
W3
R
R
R
R
R
R
R
R
H3
W3
H2
W2
H1
W1
H0
W0
January 16, 2006
FN8096.1