參數(shù)資料
型號: ISL23711UIU10Z
廠商: INTERSIL CORP
元件分類: 數(shù)字電位計(jì)
英文描述: Terminal Voltage +-3V or +-5V, 128 Taps IC Serial Interface
中文描述: 50K DIGITAL POTENTIOMETER, 2-WIRE SERIAL CONTROL INTERFACE, 128 POSITIONS, PDSO10
封裝: ROHS COMPLIANT, PLASTIC, MO-187BA, MSOP-10
文件頁數(shù): 2/9頁
文件大?。?/td> 270K
代理商: ISL23711UIU10Z
2
FN6127.0
August 16, 2005
Block Diagram
7-BIT
WIPER
REGISTER
(VOLATILE)
RECALL
CONTROL
CIRCUITRY
ONE
OF
128
DECODER
RESISTOR
ARRAY
R
H
SDA
SCL
TRANSFER
GATES
R
L
R
W
INTERFACE
AND
CONTROL
V-
R
H
R
W
R
L
SIMPLE BLOCK DIAGRAM
DETAILED BLOCK DIAGRAM
0
1
2
124
125
126
127
V
CC
SLAVE
ADDRESS
DECODE
A1
A0
SDA
SCL
A1
A0
GND
Pin Descriptions
PIN NUMBER
SYMBOL
DESCRIPTION
1
SDA
Data I/O for I
2
C serial interface. It has an open drain output and may be wire ORed with other open
drain active low outputs.
2
V-
Negative supply voltage for the potentiometer wiper control.
3
GND
Ground. Should be connected to a digital ground
4
A1
A1 and A0 are address select pins used to set the slave address for the I
2
C serial interface.
5
A0
A1 and A0 are address select pins used to set the slave address for the I
2
C serial interface.
6
RH
A fixed terminal for one end of the potentiometer resistor.
7
RW
The wiper terminal which is equivalent to the movable terminal of a potentiometer.
8
RL
A fixed terminal for one end of the potentiometer resistor.
9
V
CC
Positive logic supply voltage.
10
SCL
Clock input for the I
2
C serial interface.
ISL23711
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