參數(shù)資料
型號(hào): X9CC102P
英文描述: IC
中文描述: 集成電路
文件頁(yè)數(shù): 7/9頁(yè)
文件大小: 61K
代理商: X9CC102P
X9C102/103/104/503
7
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
Buffered Reference Voltage
R
1
+V
V
R
V
W
V
R
I
Three terminal potentiometer;
variable voltage divider
Two terminal variable resistor;
variable current
V
H
V
L
Cascading Techniques
+
+5V
–5V
V
W
V
REF
V
OUT
OP-07
V
W
V
W
+V
+V
+V
X
(a)
(b)
V
OUT
= V
W
Noninverting Amplifier
+5V
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
W
10K
W
10K
W
10K
W
-12V
+12V
TL072
Comparator with Hysterisis
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
+
V
S
V
O
2
}
1
}
LT311A
(for additional circuits see AN115)
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