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DP7115 Datasheet(PDF) 6 Page - Copal Electronics

Part # DP7115
Description  32-Tap Digital Potentiometer
PDF  12 Pages
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Manufacturer  COPAL [Copal Electronics]
Direct Link  http://www.nidec-copal-electronics.com/e
Logo COPAL - Copal Electronics

DP7115 Datasheet(HTML) 6 Page - Copal Electronics

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DP7115
6
Applications Information
(a) resistive divider
(b) variable resistance
(c) two port
Figure 6. Potentiometer Configuration
Applications
Figure 7. Programmable Instrumentation
Amplifier
+5 V
+2.5 V
2
8
3
2
6
5
7
9
4
10
11
8
1
1
7
4
+
–
+
–
+
–
+5 V
DP7113/7114/7115
DP
Figure 8. Programmable Sq. Wave Oscillator (555)
+5 V
0.01 F
0.01 F
0.003 F
C
5
3
6
7
8
4
1
2
65
3
2
8
1
7
4
+5 V
DP
555
R2
R2
R1
R3
R4
R4
V1 ( )
V2 (+)
VO
A3
A1 = A2 = A3 = 1/4 LM6064
R2 = R3 = R4 = 5 k
RPOT = 10 k
RB
R2
RA
R1
pRPOT
(1 p)RPOT
R3
Figure 9. Sensor Auto Referencing Circuit
+5 V
5 V
ICIA
4
11
1
499 k
20 k
ICIB
499 k
2
3
6
5
499 k
499 k
10 k
0.01 F
OSC
IC3A
+
–
2
8
1
7
7
4
+5 V
+200 mV
DP7111/7112
IC2
DP
+
–
CS
VCORR
VREF = 1 V
VSHIFT = 100 mV
VOUT = 1 V 1 mV
VSENSOR = 1 V 50 mV
1/4 74HC132



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