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X9315TSZ
P1-P3
P4-P6
P7-P9
P10-P12
P13-P15
P16-P16
10
FN8179.2
December 21, 2009
T
ypical Rtotal vs. T
emperature
T
ypical T
otal Resistance T
emperature Coef
ficient
T
ypical Wipe
r Resistance
10000
9800
9600
9400
9200
9000
8800
8600
8400
8200
8000
Rtotal
-55
-45
-35
-25
-15
-5
5
15
25
35
45
55
65
75
Temperature
85
95
105
115
125
C°
-55
-350
-300
-250
-200
-150
-100
-50
0
-45
-35
-25
-15
-5
5
15
25
35
Temperature
PPM
45
55
65
75
85
95
105
115
125
°C
0
0
100
200
300
400
Rw (
Ω)
500
600
700
800
2
4
6
8
10
12
14
16
Tap
18
20
22
24
26
28
30
32
V
CC
= 2.7V
X9315
11
FN8179.2
December 21, 2009
T
ypical Absolute% Error per T
ap Position
T
ypical Relative% Error per T
ap Position
Applications Information
Electronic digitally controlled (XDCP) potentiometers provide
three powerful application
advan
tages; (1) the variability and
reliability of a solid-state potent
iometer
, (2) the flexibility of
computer-based digital controls, and (3) the retentivity of
nonvolatile memory used for the storage of mu
ltiple
potentiometer settings or da
ta.
40.0%
30.0%
20.0%
10.0%
0.0%
-10.0%
-20.0%
-30.0%
-40.0%
0
3
6
9
12
15
Tap
Absolute% Error
18
21
24
27
30
20.0%
15.0%
10.0%
5.0%
0.0%
-5.0%
-10.0%
-15.0%
-20.0%
036
9
1
2
1
5
Relative% Error
18
21
24
27
30
Tap
X9315
12
FN8179.2
December 21, 2009
Basic Conf
igurations
of Electroni
c Potentio
meters
Basic Circuits
V
R
V
W
/R
W
V
R
I
Three terminal poten
tiometer;
variable voltage divider
T
wo terminal variable resi
stor;
variable current
V
H
V
L
Cascading Techniques
Buffered Reference Voltage
–
+
+5V
R
1
+V
-5V
V
W
V
REF
V
OUT
OP-07
R
W
/V
W
R
W
/V
W
+V
+V
+V
X
(a)
(b)
V
OUT
= V
W
/R
W
Noninverting Amp
lifier
+
–
V
S
V
O
R
2
R
1
V
O
= (1 + R
2
/R
1
)V
S
LM308A
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
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
}
}
LT311A
+5V
-5V
(for additional circuits see AN115)
X9315
P1-P3
P4-P6
P7-P9
P10-P12
P13-P15
P16-P16
X9315TSZ
Mfr. #:
Buy X9315TSZ
Manufacturer:
Renesas / Intersil
Description:
Digital Potentiometer ICs CMOS EEPOT 100KOHM 32 TAPS
Lifecycle:
New from this manufacturer.
Delivery:
DHL
FedEx
Ups
TNT
EMS
Payment:
T/T
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Union
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