參數(shù)資料
型號(hào)： X9268UT24I-2.7
廠商： Intersil Corporation
英文描述： Dual Supply/Low Power/256-Tap/2-Wire Bus
中文描述： 雙電源/低Power/256-Tap/2-Wire巴士
文件頁(yè)數(shù)： 1/24頁(yè)
文件大?。?/td> 368K
代理商： X9268UT24I-2.7
1
FN8172.1
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.
X9268
Dual Supply/Low Power/256-Tap/2-Wire Bus
Dual Digitally-Controlled (XDCP)
Potentiometers
FEATURES
Dual–Two separate potentiometers
256 resistor taps/pot–0.4% resolution
2-Wire Serial Interface for write, read, and
transfer operations of the potentiometer
Wiper Resistance, 100
typical @ V+ = 5V,
V- = -5V
16 Nonvolatile Data Registers for Each
Potentiometer
Nonvolatile Storage of Multiple Wiper Positions
Power-on Recall. Loads Saved Wiper Position
on Power-up.
Standby Current < 5μA Max
V
CC
: ±2.7V to ±5.5V Operation
50k
, 100k
versions of End to End Pot
Resistance
Endurance: 100,000 Data Changes per Bit per
Register
100 yr. Data Retention
24-Lead SOIC, 24-Lead TSSOP
Low Power CMOS
Power Supply V
CC
= ±2.7V to ±5.5V
V+ = 2.7V to 5.5V
V- = -2.7V to -5.5V
DESCRIPTION
The
potentiometer (XDCP) on a monolithic CMOS
integrated circuit.
X9268
integrates
2
digitally
controlled
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.
FUNCTIONAL DIAGRAM
R
H0
R
L0
R
W0
V
CC
V
SS
2-Wire
Bus
Interface
50k
or 100k
versions
R
H1
R
L1
R
W1
Power-on Recall
Wiper Counter
Registers (WCR)
Data Registers
(DR0–DR3)
Bus
Interface
and Control
Address
Data
Status
Write
Read
Transfer
Inc/Dec
Control
V
+
V-
Data Sheet
June 21, 2005
相關(guān)PDF資料
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相關(guān)代理商/技術(shù)參數(shù)
參數(shù)描述
X9268UV24 功能描述:IC XDCP DUAL 256TAP 50K 24-TSSOP RoHS:否 類(lèi)別:集成電路 (IC) >> 數(shù)據(jù)采集 - 數(shù)字電位器 系列:XDCP™ 標(biāo)準(zhǔn)包裝:2,500 系列:XDCP™ 接片:256 電阻（歐姆）:100k 電路數(shù):1 溫度系數(shù):標(biāo)準(zhǔn)值 ±300 ppm/°C 存儲(chǔ)器類(lèi)型:非易失 接口:I²C（設(shè)備位址） 電源電壓:2.7 V ~ 5.5 V 工作溫度:0°C ~ 70°C 安裝類(lèi)型:表面貼裝 封裝/外殼:14-TSSOP（0.173"，4.40mm 寬） 供應(yīng)商設(shè)備封裝:14-TSSOP 包裝:帶卷 (TR)
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X9269_07 制造商:INTERSIL 制造商全稱(chēng):Intersil Corporation 功能描述:Dual Digitally-Controlled Potentiometers
X9269TB16 制造商:XICOR 制造商全稱(chēng):Xicor Inc. 功能描述:Dual Digitally-Controlled Potentiometers
X9269TB16-2.7 制造商:XICOR 制造商全稱(chēng):Xicor Inc. 功能描述:Dual Digitally-Controlled Potentiometers
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