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X9268US24I-2.7 Datasheet

  • X9268US24I-2.7

  • Dual Supply/Low Power/256-Tap/2-Wire Bus

  • 367.78KB

  • 24頁

  • INTERSIL   INTERSIL

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廬
X9268
Dual Supply/Low Power/256-Tap/2-Wire Bus
Data Sheet
June 21, 2005
FN8172.1
Dual Digitally-Controlled (XDCP鈩?
Potentiometers
FEATURES
鈥?Dual鈥揟wo separate potentiometers
鈥?256 resistor taps/pot鈥?.4% resolution
鈥?2-Wire Serial Interface for write, read, and
transfer operations of the potentiometer
鈥?/div>
Wiper Resistance, 100鈩?typical @ V+ = 5V,
V- = -5V
鈥?16 Nonvolatile Data Registers for Each
Potentiometer
鈥?Nonvolatile Storage of Multiple Wiper Positions
鈥?Power-on Recall. Loads Saved Wiper Position
on Power-up.
鈥?Standby Current < 5碌A Max
鈥?V
CC
: 鹵2.7V to 鹵5.5V Operation
鈥?50k鈩? 100k鈩?versions of End to End Pot
Resistance
鈥?Endurance: 100,000 Data Changes per Bit per
Register
鈥?100 yr. Data Retention
鈥?24-Lead SOIC, 24-Lead TSSOP
鈥?Low Power CMOS
鈥?Power Supply V
CC
= 鹵2.7V to 鹵5.5V
V+ = 2.7V to 5.5V
V- = -2.7V to -5.5V
FUNCTIONAL DIAGRAM
DESCRIPTION
The X9268 integrates 2 digitally controlled
potentiometer (XDCP) on a monolithic CMOS
integrated circuit.
The digital controlled potentiometer is implemented
using 255 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 a four nonvolatile 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.
V
CC
V
+
R
H0
R
H1
2-Wire
Bus
Interface
Address
Data
Status
Write
Read
Transfer
Inc/Dec
Bus
Interface
and Control
Control
Power-on Recall
Wiper Counter
Registers (WCR)
Data Registers
(DR0鈥揇R3)
V
SS
V-
R
W0
R
L0
R
W1
R
L1
50k鈩?or 100k鈩?versions
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.

X9268US24I-2.7 產(chǎn)品屬性

  • 30

  • 集成電路 (IC)

  • 數(shù)據(jù)采集 - 數(shù)字電位器

  • XDCP™

  • 256

  • 50k

  • 2

  • 標準值 ±300 ppm/°C

  • 非易失

  • I²C（設備位址）

  • 2.7 V ~ 5.5 V

  • -40°C ~ 85°C

  • 表面貼裝

  • 24-SOIC（0.295"，7.50mm 寬）

  • 24-SOIC

  • 管件

X9268US24I-2.7相關(guān)型號PDF文件下載

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  • 英文版
    Dual Supply/Low Power/256-Tap/SPI bus
    INTERSIL
  • 英文版
    Dual Supply/Low Power/256-Tap/SPI bus
    INTERSIL [...
  • 英文版
    Single Supply/Low Power/256-Tap/SPI Bus
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    XICOR [Xic...
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    Single Supply/Low Power/256-Tap/2-Wire Bus
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    Dual Digitally-Controlled Potentiometers
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    Dual Digitally-Controlled Potentiometers
    INTERSIL [...
  • 英文版
    Dual Digitally-Controlled Potentiometers
    INTERSIL [...
  • 英文版
    Dual Digitally-Controlled Potentiometers
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  • 英文版
    Dual Supply/Low Power/256-Tap/SPI bus
    INTERSIL
  • 英文版
    Dual Supply/Low Power/256-Tap/SPI bus
    INTERSIL [...
  • 英文版
    Dual Supply/Low Power/256-Tap/SPI bus
    INTERSIL
  • 英文版
    Dual Supply/Low Power/256-Tap/SPI bus
    INTERSIL [...
  • 英文版
    Single Supply/Low Power/256-Tap/SPI Bus
    INTERSIL [...
  • 英文版
    Single Supply/Low Power/256-Tap/SPI Bus
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