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ISL90841WIV1427Z Datasheet

  • ISL90841WIV1427Z

  • Low Noise, Low Power I2C Bus, 256 Taps

  • 1125.82KB

  • 12頁

  • INTERSIL   INTERSIL

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廬
ISL90841
Quad Digitally Controlled Potentiometers (XDCP鈩?
Data Sheet
August 1, 2005
FN8094.0
Low Noise, Low Power I
2
C
廬
Bus, 256 Taps
The ISL90841 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.
All four potentiometers have one terminal tied to GND. The
DCPs can be used as a resistor divider or as two-terminal
variable resistors in a wide variety of applications including
control, parameter adjustments, and signal processing.
Features
鈥?Four potentiometers in one package
鈥?256 resistor taps - 0.4% resolution
鈥?I
2
C serial interface
鈥?Wiper resistance: 70鈩?typical @ 3.3V
鈥?Standby current <5碌A(chǔ) max
鈥?Power supply: 2.7V to 5.5V
鈥?50k鈩? 10k鈩?total resistance
鈥?14 Lead TSSOP
鈥?Pb-free plus anneal available (RoHS compliant)
Pinout
ISL90841
(14 LEAD TSSOP)
TOP VIEW
RH3
RW3
SCL
SDA
GND
RW2
1
2
3
4
5
6
7
14
13
12
11
10
9
8
RW0
RH0
VCC
A1
A0
RH1
RW1
Ordering Information
PART NUMBER
ISL90841UIV1427
ISL90841UIV1427Z
(Notes 1 & 2)
ISL90841WIV1427
ISL90841WIV1427Z
(Notes 1 & 2)
NOTES:
1. Intersil Pb-free plus anneal products employ special Pb-free
material sets; molding compounds/die attach materials and
100% matte tin plate termination finish, which are RoHS
compliant and compatible with both SnPb and Pb-free soldering
operations. Intersil Pb-free products are MSL classified at Pb-
free peak reflow temperatures that meet or exceed the Pb-free
requirements of IPC/JEDEC J STD-020.
2. Contact factory for availability.
PACKAGE
14 Ld TSSOP
14 Ld TSSOP
(Pb-Free)
14 Ld TSSOP
14 Ld TSSOP
(Pb-Free)
TEMP
RANGE
(擄C)
-40 to +85
-40 to +85
-40 to +85
-40 to +85
RESISTANCE
OPTION
(鈩?
50K
50K
10K
10K
RH2
Functional Diagram
V
CC
R
H0
R
H1
R
H2
R
H3
SCL
SDA
A0
A1
I
2
C
INTERFACE
GND
R
W0
R
W1
R
W2
R
W3
1
CAUTION: These devices are sensitive to electrostatic discharge; follow proper IC Handling Procedures.
1-888-INTERSIL or 321-724-7143
|
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.

ISL90841WIV1427Z 產(chǎn)品屬性

  • 95

  • 集成電路 (IC)

  • 數(shù)據(jù)采集 - 數(shù)字電位器

  • XDCP™

  • 256

  • 10k

  • 4

  • 標(biāo)準(zhǔn)值 ±45 ppm/°C

  • 易失

  • I²C（設(shè)備位址）

  • 2.7 V ~ 5.5 V

  • -40°C ~ 85°C

  • 表面貼裝

  • 14-TSSOP（0.173"，4.40mm 寬）

  • 14-TSSOP

  • 管件

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