參數(shù)資料
型號(hào): X9271TVI-2.7
廠(chǎng)商: INTERSIL CORP
元件分類(lèi): 數(shù)字電位計(jì)
英文描述: Single Supply/Low Power/256-Tap/SPI Bus
中文描述: 100K DIGITAL POTENTIOMETER, 3-WIRE SERIAL CONTROL INTERFACE, 256 POSITIONS, PDSO14
封裝: PLASTIC, TSSOP-14
文件頁(yè)數(shù): 19/23頁(yè)
文件大?。?/td> 403K
代理商: X9271TVI-2.7
X9271
Characteristics subject to change without notice.
19 of 23
REV 1.1.7 2/6/03
www.xicor.com
APPLICATIONS INFORMATION
Basic Configurations of Electronic Potentiometers
Application Circuits
V
R
RW
+V
R
I
Three terminal Potentiometer;
Variable voltage divider
Two terminal Variable Resistor;
Variable current
Noninverting Amplifier
Voltage Regulator
Offset Voltage Adjustment
Comparator with Hysterisis
+
V
S
V
O
R
2
R
1
V
O
= (1+R
2
/R
1
)V
S
R
1
R
2
I
adj
V
O
(REG) = 1.25V (1+R
2
/R
1
)+I
adj
R
2
V
O
(REG)
V
IN
317
+
V
S
V
O
R
2
R
1
V
UL
= {R
1
/(R
1
+R
2
)} V
O
(max)
RL
L
= {R
1
/(R
1
+R
2
)} V
O
(min)
100K
10K
10K
10K
-12V
+12V
TL072
+
V
S
V
O
R
2
R
1
}
}
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