參數(shù)資料
型號(hào)： X9408WV24ZT1
廠商： Intersil
文件頁(yè)數(shù)： 1/20頁(yè)
文件大?。?/td> 0K
描述： IC XDCP QUAD 64-TAP 10K 24-TSSOP
標(biāo)準(zhǔn)包裝： 2,500
系列： XDCP™
接片： 64
電阻（歐姆）： 10k
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： I²C（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： 24-TSSOP（0.173"，4.40mm 寬）
供應(yīng)商設(shè)備封裝： 24-TSSOP
包裝： 帶卷 (TR)
1
X9408
Low Noise/Low Power/2-Wire Bus
Quad Digitally Controlled (XDCP)
Potentiometers
Description
The X9408 integrates four digitally controlled potentiometers
(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 2-wire 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 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
Four Potentiometers in One Package
64 Resistor Taps per Potentiometer
2-wire Serial Interface
Wiper Resistance, 40
Ω Typical at 5V
Four Nonvolatile Data Registers for Each Pot
Nonvolatile Storage of Wiper Position
Standby Current < 1A max (Total Package)
VCC = 2.7V to 5.5V Operation
V+ = 2.7V to 5.5V
V- = -2.7V to -5.5V
10k
Ω, 2.5kΩ End to End Resistances
High reliability
Endurance–100,000 Data Changes Per Bit Per Register
Register Data Retention–100 years
24 Ld SOIC, 24 Ld TSSOP, 24 Ld PDIP Packages
Pb-Free (RoHS Compliant)
Block Diagram
INTERFACE
AND
CONTROL
CIRCUITRY
SCL
SDA
A0
A1
A2
A3
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
WP
POT 0
VCC
VSS
V+
V-
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, 2009. All Rights Reserved
All other trademarks mentioned are the property of their respective owners.
Data Sheet
FN8191.4
January 15, 2009
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