UPC7073 データシートの表示（PDF） - NEC => Renesas Technology
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UPC7073 Datasheet PDF : 20 Pages
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PIN CONFIGURATION
48-pin plastic shrink SOP (375 mil)
DCOUT3
1
DCOUT2
2
DCOUT1
3
DCIN1
4
DCIN2
5
BBOUT
6
ASCN
7
AGDT
8
BIAS
9
RX
10
ACOM
11
NC
12
NC
13
NC
14
GND1
15
NC
16
PD
17
ALM
18
BCUT
19
RC1
20
RC2
21
RC3
22
VBB
23
TEF
24
µPC7073
48
VCC
47
TTXIN
46
CPSR
45
RB
44
RE
43
NC
42
RS
41
NC
40
TS
39
NC
38
TE
37
TB
36
CDC
35
TX
34
OPIN–
33
OPIN+
32
REF
31
GND2
30
NC
29
RY3
28
NC
27
RY2
26
NC
25
RY1
ACOM
:
AGDT
:
ALM
:
ASCN
:
BBOUT
:
BCUT
:
BIAS
:
CDC
:
CPSR
:
DCIN1, DCIN2 :
DCOUT1-DCOUT3 :
GND1, GND2 :
NC
:
OPIN+
:
OPIN–
:
PD
:
ANALOG COMMON VOLTAGE
ANALOG GROUND DETECTION SIGNAL OUT
ALARM IN
ANALOG LOOP DETECTION SIGNAL OUT
VBB VOLTAGE INFORMATION OUT
BATTERY FEED CUT SIGNAL IN
BIAS LEVEL
DC FEEDBACK CAPACITOR
POWER SUPPLY REJECTION CAPACITOR
DC FEEDBACK CONTROL IN
DC FEEDBACK CONTROL OUT
GROUND
NO CONNECTION
TELETAX SIGNAL CANCEL IN (+)
TELETAX SINGAL CANCEL IN (–)
POWER DOWN CONTROL IN
RB
: RING BASE
RC1-RC3 : RELAY CONTROL IN
RE
: RING EMITTER
REF
: RING EMITTER PROTECT FEED
RS
: RING SENSE
RX
: SIGNAL RECEPTION IN
RY1-RY3 : RELAY DRIVER OUT
TB
: TIP BASE
TE
: TIP EMITTER
TEF
: TIP EMITTER PROJECT FEED
TS
: TIP SENSE
TTXIN : TELETAX SIGNAL IN
TX
: TRANSSMISSION OUTPUT
VBB
: NEGATIVE POWER SUPPLY (–48 V)
VCC
: POSITIVE POWER SUPPLY (+5 V)
2
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