參數(shù)資料
型號: ISL90842WIV1427
廠商: INTERSIL CORP
元件分類: 數(shù)字電位計
英文描述: Low Noise, Low Power, I2C Bus, 256 Taps
中文描述: QUAD 50K DIGITAL POTENTIOMETER, 2-WIRE SERIAL CONTROL INTERFACE, 256 POSITIONS, PDSO14
封裝: PLASTIC, TSSOP-14
文件頁數(shù): 1/12頁
文件大?。?/td> 1165K
代理商: ISL90842WIV1427
1
FN8096.0
CAUTION: These devices are sensitive to electrostatic discharge; follow proper IC Handling Procedures.
1-888-INTERSIL or 1-888-468-3774
Intersil (and design) is a registered trademark of Intersil Americas Inc.
XDCP is a trademark of Intersil Americas Inc. Copyright Intersil Americas Inc. 2005. All Rights Reserved
All other trademarks mentioned are the property of their respective owners.
PRELIMINARY
ISL90842
Quad Digital Controlled Potentiometers (XDCP)
Low Noise, Low Power, I
2
C
Bus,
256 Taps
The ISL90842 integrates four digitally controlled
potentiometers (XDCP) on a monolithic CMOS integrated
circuit.
The digitally controlled potentiometers are implemented with
a combination of resistor elements and CMOS switches. The
position of the wipers are controlled by the user through the
I
2
C bus interface. Each potentiometer has an associated
Wiper Register (WR) that can be directly written to and read
by the user. The contents of the WR controls the position of
the wiper.
The DCPs can be used as three-terminal potentiometers or
as two-terminal variable resistors in a wide variety of
applications including control, parameter adjustments, and
signal processing.
Features
Four potentiometers in one package
256 resistor taps–0.4% resolution
I
2
C serial interface
Wiper resistance: 70
typical @ 3.3V
Standby current <5μA max
Power supply: 2.7V to 5.5V
50k
, 10k
total resistance
14 Lead TSSOP
Ordering Information
PART NUMBER
PACKAGE
RESISTANCE
OPTION
ISL90842UIV1427
14 Ld TSSOP
50k
ISL90842WIV1427
14 Ld TSSOP
10k
Pinout
ISL90842
(14 LEAD TSSOP)
TOP VIEW
1
2
3
4
5
6
7
RH3
RW3
SDA
SCL
RH2
RW2
GND
14
13
12
11
10
9
8
RW0
RH0
A1
V
CC
RW1
RH1
A0
Data Sheet
June 14, 2005
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