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Part Name
Description
UPD4712C View Datasheet(PDF) - NEC => Renesas Technology
Part Name
Description
MFG CO.
UPD4712C
RS-232 LINE DRIVER/RECEIVER
NEC => Renesas Technology
'UPD4712C' PDF : 12 Pages
View PDF
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TEST CIRCUIT
Driver output voltage/Output current (+ side)
µ
PD4712C/4712D
+
C
1
+5 V
+10 V
+
C
3
1 V
DD
2 C
1+
3
V
CC
4 C
1–
5 GND
6
7
8
9
10
11
12
13
14
DC-DC
converter
C
4+
28
GND 27
C
4–
26
V
SS
25
STBY 24
5.5 k
Ω
23
300
Ω
22
300
Ω
21
300
Ω
20
300
Ω
19
18
5.5 k
Ω
17
5.5 k
Ω
16
5.5 k
Ω
15
+
C
4
+
C
2
–10 V
V
I
DO
V
DO
Driver output voltage/Output current (– side)
+
C
1
+5 V
+10 V
+
C
3
1 V
DD
2 C
1+
3
V
CC
4 C
1–
5 GND
6
7
8
9
10
11
12
13
14
DC-DC
converter
C
4
+
28
GND 27
C
4–
26
V
SS
25
STBY 24
5.5 k
Ω
23
300
Ω
22
300
Ω
21
300
Ω
20
300
Ω
19
18
5.5 k
Ω
17
5.5 k
Ω
16
5.5 k
Ω
15
+
C
4
+
C
2
–10 V
V
I
DO
V
DO
8
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