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參數(shù)資料
| 型號(hào)： | X9400YZ24I-2.7 |
| 元件分類： | 數(shù)字電位計(jì) |
| 英文描述： | QUAD 2.5K DIGITAL POTENTIOMETER, 3-WIRE SERIAL CONTROL INTERFACE, 64 POSITIONS, PBGA24 |
| 封裝： | XBGA-24 |
| 文件頁數(shù)： | 1/22頁 |
| 文件大?。?/td> | 148K |
| 代理商： | X9400YZ24I-2.7 |
REV 1.1.4 10/11/02
Characteristics subject to change without notice.
1 of 22
www.xicor.com
Low Noise/Low Power/SPI Bus
X9400
Quad Digitally Controlled Potentiometers (XDCP)
FEATURES
Four potentiometers per package
64 resistor taps
SPI serial interface for write, read, and transfer
operations of the potentiometer
Wiper resistance, 40
typical at 5V.
Four non-volatile data registers for each
potentiometer
Non-volatile storage of multiple wiper position
Power on recall. Loads saved wiper position on
power up.
Standby current < 1A max
System VCC: 2.7V to 5.5V operation
Analog V+/V–: -5V to +5V
10K
, 2.5K End to end resistance
100 yr. data retention
Endurance: 100,000 data changes per bit per
register
Low power CMOS
24-lead SOIC, 24-lead TSSOP, and 24-lead XBGA
packages
DESCRIPTION
The
X9400
integrates
four
digitally
controlled
potentiometers (XDCPs) on a monolithic CMOS
integrated circuit.
The digitally 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
serial
bus
interface.
Each
potentiometer
has
associated with it a volatile Wiper Counter Register
(WCR) and four nonvolatile Data Registers (DR0-3)
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.
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
V+
V-
APPLICATION NOTES
AVAILABLE
AN99 AN115 AN120 AN124 AN133 AN134 AN135
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相關(guān)代理商/技術(shù)參數(shù) |
參數(shù)描述 |
|---|---|
| X9401 | 制造商:INTERSIL 制造商全稱:Intersil Corporation 功能描述:Low Noise/Low Power/SPI Bus |
| X9401_06 | 制造商:INTERSIL 制造商全稱:Intersil Corporation 功能描述:Quad, 64 Tap, Digitally Controlled Potentiometer |
| X9401_09 | 制造商:INTERSIL 制造商全稱:Intersil Corporation 功能描述:Quad, 64 Tap, Digitally Controlled Potentiometer (XDCP?) |
| X94012011-01 | 功能描述:以太網(wǎng)模塊 XPress-Pro SW 94012F 8-Port 10/100TX RoHS:否 制造商:Lantronix 產(chǎn)品:Device Servers 數(shù)據(jù)速率:300 bps to 921.6 kbps, 10 Mbps, 100 Mbps 接口類型:Ethernet, Serial 工作電源電壓:5 V to 15 V 工作電源電流:133 mA to 400 mA 最大工作溫度:+ 70 C |
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