參數(shù)資料
型號(hào)： X9401YS24I-2.7
廠商： Intersil
文件頁(yè)數(shù)： 1/18頁(yè)
文件大?。?/td> 0K
描述： IC XDCP QUAD 64-TAP 2.5K 24-SOIC
標(biāo)準(zhǔn)包裝： 30
系列： XDCP™
接片： 64
電阻（歐姆）： 2.5k
電路數(shù)： 4
溫度系數(shù)： 標(biāo)準(zhǔn)值 ±300 ppm/°C
存儲(chǔ)器類型： 非易失
接口： 6 線 SPI（芯片選擇，設(shè)備位址）
電源電壓： 2.7 V ~ 5.5 V
工作溫度： -40°C ~ 85°C
安裝類型： 表面貼裝
封裝/外殼： 24-SOIC（0.295"，7.50mm 寬）
供應(yīng)商設(shè)備封裝： 24-SOIC
包裝： 管件
1
X9401
Low Noise/Low Power/SPI Bus
Quad, 64 Tap, Digitally Controlled
Potentiometer (XDCP)
Description
The X9401 integrates 4 digitally controlled potentiometers
(XDCP) on a monolithic CMOS integrated microcircuit.
The digitally controlled potentiometer is implemented using
64 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. Each
potentiometer has associated with it a volatile Wiper Counter
Register (WCR) and 4 nonvolatile Data Registers
(DR0:DR3) 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 through the switches. Power-up
recalls the contents of 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
Quad - 4 Separate Pots, 64 Taps/Pot
Nonvolatile Storage of Wiper Position
Four Nonvolatile Data Registers for Each Pot
16-bytes of EEPROM Memory
SPI Serial Interface
RTOTAL = 10kΩ
Wiper Resistance = 150
Ω Typical
Standby Current < 3A (Total Package)
Operating Current < 700A max.
VCC = 2.7V to 5V
24 Ld SOIC and 24 Ld TSSOP Package
100 year Data Retention
Pb-Free Available (RoHS Compliant)
Block Diagram
INTERFACE
AND
CONTROL
CIRCUITRY
CS
SCK
SO
A0
A1
R0
R1
R2
R3
WIPER
COUNTER
REGISTER
(WCR)
RESISTOR
ARRAY
POT 1
VH1/RH1
VL1/RL1
R0
R1
R2
R3
WIPER
COUNTER
REGISTER
(WCR)
VH0/RH0
VL0/RL0
DATA
8
VW0/RW0
VW1/RW1
R0
R1
R2
R3
RESISTOR
ARRAY
VH2/RH2
VL2/RL2
VW2/RW2
R0
R1
R2
R3
RESISTOR
ARRAY
VH3/RH3
VL3/RL3
VW3/RW3
WIPER
COUNTER
REGISTER
(WCR)
WIPER
COUNTER
REGISTER
(WCR)
POT 3
POT 2
HOLD
POT 0
VCC
VSS
WP
SI
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. 2005-2006, 2009. All Rights Reserved
All other trademarks mentioned are the property of their respective owners.
Data Sheet
FN8190.4
October 13, 2009
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