參數(shù)資料
型號(hào): X9C104SZ
廠商: INTERSIL CORP
元件分類: 數(shù)字電位計(jì)
英文描述: Digitally Controlled Pot (XDCP)
中文描述: 100K DIGITAL POTENTIOMETER, INCREMENT/DECREMENT CONTROL INTERFACE, 100 POSITIONS, PDSO8
封裝: ROHS COMPLIANT, SOIC-8
文件頁(yè)數(shù): 9/11頁(yè)
文件大?。?/td> 257K
代理商: X9C104SZ
9
FN8222.1
September 19, 2005
PERFORMANCE CHARACTERISTICS
Contact the factory for more information.
APPLICATIONS INFORMATION
Electronic digitally controlled (XCDP) potentiometers provide three powerful application advantages; (1) the variability
and reliability of a solid-state potentiometer, (2) the flexibility of computer-based digital controls, and (3) the retentivity
of nonvolatile memory used for the storage of multiple potentiometer settings or data.
Basic Configurations of Electronic Potentiometers
Basic Circuits
V
R
V
R
I
Three terminal potentiometer;
variable voltage divider
Two terminal variable resistor;
variable current
V
H
/R
H
V
L
/R
L
V
W
/R
W
Cascading Techniques
Buffered Reference Voltage
+
+5V
R
1
+V
-5V
V
W
V
REF
V
OUT
OP-07
V
W
/R
W
V
W
/R
W
+V
+V
+V
X
(a)
(b)
V
OUT
= V
W
/R
W
Noninverting Amplifier
V
O
= (1+R
2
/R
1
)V
S
Voltage Regulator
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
Offset Voltage Adjustment
+
V
S
V
O
R
2
R
1
100k
10k
10k
10k
-12V
+12V
TL072
Comparator with Hysteresis
V
UL
= {R
1
/(R
1
+ R
2
)} V
O
(max)
V
LL
= {R
1
/(R
1
+ R
2
)} V
O
(min)
+
V
S
V
O
R
2
R
1
LM308A
+5V
-5V
+
V
S
V
O
2
}
1
}
LT311A
(for additional circuits see AN115)
X9C102, X9C103, X9C104, X9C503
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