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參數(shù)資料
| 型號： | X9421YV14ZT1 |
| 廠商： | Intersil |
| 文件頁數(shù)： | 1/20頁 |
| 文件大?。?/td> | 0K |
| 描述： | IC XDCP SGL 64-TAP 2.5K 14-TSSOP |
| 標(biāo)準(zhǔn)包裝： | 2,500 |
| 系列： | XDCP™ |
| 接片： | 64 |
| 電阻（歐姆）： | 2.5k |
| 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： | 5 線 SPI（芯片選擇，設(shè)備位址） |
| 電源電壓： | 4.5 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) |
1
FN8196.4
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, 2008, 2009. All Rights Reserved
All other trademarks mentioned are the property of their respective owners.
X9421
Low Noise/Low Power/SPI Bus
Single Digitally Controlled (XDCP)
Potentiometer
Description
The X9421 integrates a single digitally controlled
potentiometer (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 SPI bus interface. The potentiometer
has associated with it a volatile Wiper Counter Register
(WCR) and a 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. Power-up 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.
Features
Single Voltage Potentiometer
64 Resistor Taps
SPI Serial Interface for Write, Read, and Transfer
Operations of the Potentiometer
Wiper Resistance, 150
Ω Typical at 5V
4 Non-Volatile Data Registers
Non-Volatile Storage of Multiple Wiper Positions
Power-on Recall. Loads Saved Wiper Position on
Power-up.
Standby Current < 5A Max
VCC : 2.7V to 5.5V Operation
2.5k
Ω, 10kΩ End to End Resistance
100 yr. Data Retention
Endurance: 100, 000 Data Changes per Bit per Register
14 Ld TSSOP, 16 Ld SOIC
Low Power CMOS
Pb-Free Available (RoHS Compliant)
Block Diagram
64-TAPS
10k
Ω
INC / DEC
RH/VH
RL/VL
RW/VW
POT
VCC
VSS
SPI
BUS
ADDRESS
DATA
STATUS
WRITE
READ
WIPER
TRANSFER
POWER-ON RECALL
WIPER COUNTER
REGISTER (WCR)
DATA REGISTERS
4 BYTES
CONTROL
INTERFACE
BUS
INTERFACE &
CONTROL
Data Sheet
January 14, 2009
NOT
REC
OMM
END
ED F
OR
NEW
DES
IGN
S
POS
SIBL
E SU
BST
ITUT
E PR
ODU
CT
ISL2
2416
, ISL
2241
9
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| X9421YV-2.7 | 制造商:XICOR 制造商全稱:Xicor Inc. 功能描述:Single Digitally Controlled (XDCP) Potentiometer |
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| X9428_06 | 制造商:INTERSIL 制造商全稱:Intersil Corporation 功能描述:Single Digitally Controlled Potentiometer |
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