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X9408YV24 Datasheet

  • X9408YV24

  • Low Noise/Low Power/2-Wire Bus

  • 21頁

  • INTERSIL   INTERSIL

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廬
X9408
Low Noise/Low Power/2-Wire Bus
Data Sheet
September 19, 2005
FN8191.2
Quad Digitally Controlled (XDCP鈩?
Potentiometers
FEATURES
鈥?/div>
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Four potentiometers in one package
64 resistor taps per potentiometer
2-wire serial interface
Wiper resistance, 40鈩?typical at 5V
Four nonvolatile data registers for each pot
Nonvolatile storage of wiper position
Standby current < 1碌A max (total package)
V
CC
= 2.7V to 5.5V operation
V+ = 2.7V to 5.5V
V- = 鈥?.7V to -5.5V
10k鈩? 2.5k鈩?end to end resistances
High reliability
鈥擡ndurance鈥?00,000 data changes per bit per
register
鈥擱egister data retention鈥?00 years
24 Ld SOIC, 24 Ld TSSOP, 24 Ld PDIP packages
Pb-free plus anneal available (RoHS compliant)
DESCRIPTION
The X9408 integrates four digitally controlled
potentiometers (XDCP) on a monolithic CMOS
integrated circuit.
The digital controlled potentiometer is implemented
using 63 resistive elements in a series array. Between
each element are tap points connected to the wiper
terminal through switches. The position of the wiper on
the array is controlled by the user through the 2-wire
bus interface. Each potentiometer has associated with
it a volatile Wiper Counter Register (WCR) and four
non-volatile Data Registers that can be directly written
to and read by the user. The contents of the WCR
controls the position of the wiper on the resistor array
though the switches. Powerup recalls the contents of
the default data register (DR0) to the WCR.
The XDCP can be used as a three-terminal
potentiometer or as a two terminal variable resistor in
a wide variety of applications including control,
parameter adjustments, and signal processing.
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BLOCK DIAGRAM
V
CC
V
SS
V+
V-
R0 R1
Pot 0
Wiper
Counter
Register
(WCR)
V
H0
/R
H0
R0 R1
Wiper
Counter
Register
(WCR)
V
H2
/R
H2
WP
SCL
SDA
A0
A1
A2
A3
Interface
and
Control
Circuitry
Data
R2 R3
V
L0
/R
L0
V
W0
/R
W0
R2 R3
Resistor
Array
Pot 2
V
L2
/R
L2
V
W2
/R
W2
8
V
W1
/R
W1
R0 R1
Wiper
Counter
Register
(WCR)
Resistor
Array
Pot 1
V
H1
/R
H1
R0 R1
Wiper
Counter
Register
(WCR)
V
W3
/R
W3
V
H3
/R
H3
R2 R3
V
L1
/R
L1
R2 R3
Resistor
Array
Pot 3
V
L3
/R
L3
1
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.

X9408YV24 產(chǎn)品屬性

  • 62

  • 集成電路 (IC)

  • 數(shù)據(jù)采集 - 數(shù)字電位器

  • XDCP™

  • 64

  • 2.5k

  • 4

  • 標準值 ±300 ppm/°C

  • 非易失

  • I²C（設備位址）

  • 4.5 V ~ 5.5 V

  • 0°C ~ 70°C

  • 表面貼裝

  • 24-TSSOP（0.173"，4.40mm 寬）

  • 24-TSSOP

  • 管件

X9408YV24相關型號PDF文件下載

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  • 英文版
    Low Noise/Low Power/SPI Bus
    INTERSIL
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