參數(shù)資料
型號: X9251TS24I
廠商: INTERSIL CORP
元件分類: 數(shù)字電位計
英文描述: Single Supply/Low Power/256-Tap/SPI Bus
中文描述: QUAD 100K DIGITAL POTENTIOMETER, INCREMENT/DECREMENT CONTROL INTERFACE, 256 POSITIONS, PDSO24
封裝: 0.300 INCH, PLASTIC, MS-013AD, SOIC-24
文件頁數(shù): 1/25頁
文件大?。?/td> 549K
代理商: X9251TS24I
REV 1.3.3 2/10/04
Characteristics subject to change without notice.
1 of 25
www.xicor.com
X9251
Quad Digitally-Controlled (XDCP
TM
) Potentiometer
FEATURES
Four potentiometers in one package
256 resistor taps–0.4% resolution
SPI Serial Interface for write, read, and transfer
operations of the potentiometer
Wiper resistance: 100
4 Non-volatile data registers for each
potentiometer
Non-volatile storage of multiple wiper positions
Standby current < 5μA max
V
CC
: 2.7V to 5.5V Operation
50K
, 100K
versions of total resistance
100 yr. data retention
Single supply version of X9250
Endurance: 100,000 data changes per bit per
register
24-lead SOIC, 24-lead TSSOP, 24-lead CSP
(Chip Scale Package)
Low power CMOS
typical @ V
CC
= 5V
DESCRIPTION
The X9251 integrates four digitally controlled potentio-
meters (XDCP) on a monolithic CMOS integrated
circuit.
The digitally controlled potentiometers are imple-
mented with a combination of resistor elements and
CMOS switches. The position of the wipers are
controlled by the user through the SPI 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 content of the WCR controls the
position of the wiper. At power-up, the device recalls
the content of the default Data Registers of each DCP
(DR00, DR10, DR20, and DR30) to the corresponding
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.
Single Supply / Low Power / 256-tap / SPI bus
A
PPLICATION
N
OTES
AND
D
EVELOPMENT
S
YSTEM
A V A I L A B L E
AN99 AN115 AN124 AN133 AN134 AN135
FUNCTIONAL DIAGRAM
POWER UP,
INTERFACE
CONTROL
AND
STATUS
V
CC
V
SS
SPI
R
H0
R
L0
DCP0
R
W0
A1
SO
SI
CS
HOLD
SCK
WP
WCR0
DR00
DR01
DR02
DR03
R
H1
R
L1
DCP1
R
W1
WCR1
DR10
DR11
DR12
DR13
R
H2
R
L2
DCP2
R
W2
WCR2
DR20
DR21
DR22
DR23
R
H3
R
L3
DCP3
R
W3
WCR3
DR30
DR31
DR32
DR33
A0
Interface
相關(guān)PDF資料
PDF描述
X9251TS24I-2.7 Single Supply/Low Power/256-Tap/SPI Bus
X9251TS24IZ Single Supply/Low Power/256-Tap/SPI Bus
X9251TS24IZ-2.7 Single Supply/Low Power/256-Tap/SPI Bus
X9251TS24Z Single Supply/Low Power/256-Tap/SPI Bus
X9251TS24Z-2.7 Single Supply/Low Power/256-Tap/SPI Bus
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X9251TS24I-2.7 功能描述:IC DCP QUAD 100K 256TP 24SOIC RoHS:否 類別: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 存儲器類型: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)
X9251TS24I-2.7T1 功能描述:IC XDCP QUAD 256TAP 100K 24-SOIC RoHS:否 類別: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 存儲器類型: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)
X9251TS24IT1 功能描述:IC XDCP QUAD 256TAP 100K 24-SOIC RoHS:否 類別: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 存儲器類型: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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