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參數(shù)資料
| 型號(hào)： | X9420WP-2.7 |
| 廠商： | INTERSIL CORP |
| 元件分類： | 數(shù)字電位計(jì) |
| 英文描述： | Single Digitally Controlled (XDCP) Potentiometer |
| 中文描述： | 10K DIGITAL POTENTIOMETER, 3-WIRE SERIAL CONTROL INTERFACE, 64 POSITIONS, PDIP16 |
| 封裝： | PLASTIC, DIP-16 |
| 文件頁(yè)數(shù)： | 1/20頁(yè) |
| 文件大小： | 113K |
| 代理商： | X9420WP-2.7 |
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Characteristics subject to change without notice.
1 of 20
REV 1.1.6 7/30/02
www.xicor.com
X9420
Single Digitally Controlled (XDCP) Potentiometer
FEATURES
Solid-State Potentiometer
SPI serial interface
Register oriented format
—Direct read/write/transfer wiper positions
—Store as many as four positions per
potentiometer
Power supplies
—V
CC
= 2.7V to 5.5V
—V+ = 2.7V to 5.5V
—V– = –2.7V to –5.5V
Low power CMOS
—Standby current < 1μA
High reliability
—Endurance–100,000 data changes per bit per
register
—Register data retention–100 years
8-bytes of nonvolatile EEPROM memory
10K
or 2.5K
resistor arrays
Resolution: 64 taps each pot
14-lead TSSOP, 16-lead SOIC, and 16-pin plastic
DIP packages
DESCRIPTION
The X9420 integrates a single digitally controlled
potentiometers (XDCP) on a monolithic CMOS
integrated microcircuit.
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 bus
interface. The 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.
BLOCK DIAGRAM
R0 R1
R2 R3
Wiper
Counter
Register
(WCR)
Interface
and
Control
Circuitry
HOLD
CS
SCK
S0
SI
A0
V
H
/R
H
V
L
/R
L
Data
8
V
W
/R
W
Low Noise/Low Power/SPI Bus
A
PPLICATION
N
OTES
A V A I L A B L E
AN99 AN115 AN120 AN124 AN133 AN134 AN135
相關(guān)PDF資料 |
PDF描述 |
|---|---|
| X9420YPM-2.7 | DB9 F-DB25 M 9C, 12FT. |
| X9420YPI-2.7 | T1 CABLE DB15M-DB15M STRAIGHT PINNED 10FT. |
| X9421 | Single Digitally Controlled (XDCP) Potentiometer |
| X9421WS | Single Digitally Controlled (XDCP) Potentiometer |
| X9421YV-2.7 | Hook-Up Wire; Conductor Size AWG:18; No. Strands x Strand Size:19 x 30; Jacket Color:White; Approval Bodies:UL; Approval Categories:UL AWM Style 1180; Passes VW-1 Flame Test; Cable/Wire MIL SPEC:MIL-W-16878/5 Type EE RoHS Compliant: Yes |
相關(guān)代理商/技術(shù)參數(shù) |
參數(shù)描述 |
|---|---|
| X9420WPI | 制造商:XICOR 制造商全稱:Xicor Inc. 功能描述:Single Digitally Controlled (XDCP) Potentiometer |
| X9420WPI-2.7 | 制造商:XICOR 制造商全稱:Xicor Inc. 功能描述:Single Digitally Controlled (XDCP) Potentiometer |
| X9420WPM | 制造商:XICOR 制造商全稱:Xicor Inc. 功能描述:Single Digitally Controlled (XDCP) Potentiometer |
| X9420WPM-2.7 | 制造商:XICOR 制造商全稱:Xicor Inc. 功能描述:Single Digitally Controlled (XDCP) Potentiometer |
| X9420WS | 制造商:INTERSIL 制造商全稱:Intersil Corporation 功能描述:Single Digitally Controlled (XDCP) Potentiometer |
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