參數(shù)資料
型號(hào): x93154
元件分類(lèi): 數(shù)字電位計(jì)
英文描述: Low Noise, Low Power, 32 Taps Digitally Controlled Potentiometer(低噪音,低電壓,32個(gè)抽頭,數(shù)字電位器)
中文描述: 低噪聲,低功耗,32絲錐數(shù)控電位器(低噪音,低電壓,32個(gè)抽頭,數(shù)字電位器)
文件頁(yè)數(shù): 1/12頁(yè)
文件大?。?/td> 115K
代理商: X93154
REV 1.3.13 6/19/03
1 of 12
www.xicor.com
Digitally Controlled Potentiometer (XDCP
)
X93154
FEATURES
Solid-state potentiometer
3-wire serial interface
32 wiper tap points
—Wiper position stored in nonvolatile memory
and recalled on power-up
31 resistive elements
—Temperature compensated
—End to end resistance range ± 30%
—Terminal voltage, 0 to V
Low power CMOS
—V
CC
= 3V±10%
—Active current, 250μA max.
—Standby current, 1μA max.
High reliability
—Endurance 20,000 data changes per bit
—Register data retention, 10 years
R
TOTAL
value = 50K
Packages
—8-lead MSOP, FCP
CC
DESCRIPTION
The Xicor X93154 is a digitally controlled potentiome-
ter (XDCP). The device consists of a resistor array,
wiper switches, a control section, and nonvolatile
memory. The wiper position is controlled by a 3-wire
interface.
The potentiometer is implemented by a resistor array
composed of 31 resistive elements and a wiper switch-
ing network. The position of the wiper element is con-
trolled by the CS, U/D, and INC inputs. The position of
the wiper can be stored in nonvolatile memory and
then be recalled upon a subsequent power-up opera-
tion.
The device is connected as a two-terminal variable
resistor and can be used in a wide variety of applica-
tions including:
– bias and gain control
– LCD Contrast Adjustment
A
PPLICATION
N
OTE
A V A I L A B L E
AN20 AN42–53 AN71 AN73 AN88 AN91–92 AN99 AN115 AN120 AN124 AN133 AN134 AN135
XDCP
is a trademark of Xicor, Inc.
Low Noise, Low Power, 32 Taps
BLOCK DIAGRAM
5-Bit
Up/Down
Counter
5-Bit
Nonvolatile
Memory
Store and
Control
Recall
Circuitry
One
of
Thirty
Two
Decoder
Resistor
Array
R
H
U/D
INC
CS
Transfer
Gates
V
CC
V
SS
R
L
Control
and
Memory
Up/Down
(U/D)
Increment
(INC)
Device Select
(CS)
V
CC
(Supply Voltage)
V
SS
(Ground)
R
H
General
Detailed
0
1
2
28
29
30
31
R
L
30K
相關(guān)PDF資料
PDF描述
X93156(中文) Digitally Controlled Potentiometer(數(shù)控電位器)
X93156 Digitally Controlled Potentiometer(數(shù)控電位器)
X9317 Low Noise, Low Power, 100 Taps Digitally-Controlled (XDCPTM) Potentiometer(數(shù)控電位器)
X9318(中文) Digitally Controlled Potentiometer (XDCP)(單DCP,抽頭位置掉電自動(dòng)保存,高輸出端電壓,可部分替代X9312W)
X9318 Digitally Controlled Potentiometer (XDCP)(單DCP,抽頭位置掉電自動(dòng)保存,高輸出端電壓,可部分替代X9312W)
相關(guān)代理商/技術(shù)參數(shù)
參數(shù)描述
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