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STLC3065QTR Arkusz danych(PDF) 6 Page - STMicroelectronics

Numer części STLC3065QTR
Szczegółowy opis  WLL SUBSCRIBER LINE INTERFACE CIRCUIT
PDF  27 Pages
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Producent  STMICROELECTRONICS [STMicroelectronics]
Strona internetowa  http://www.st.com
Logo STMICROELECTRONICS - STMicroelectronics

STLC3065QTR Arkusz danych(HTML) 6 Page - STMicroelectronics

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Table 2. Dual Port control.
D0
D1
D2
P1
P2
OPER. MODE
LINE 1
LINE 2
DET
DET1
DET2
0
0
X
0
0
Power Down
Open
Open
-
-
-
0
0
X
1
1
High Z feed.
To P.S. via
Res.
To P.S. via
Res.
off-hook
line 1+2
off-hook
line 1
off-hook
line 2
0
0
X
0
1
Power Down/
High Z feed.
Open
To P.S. via
Res.
off-hook
line 2
-
off-hook
line 2
0
0
X
1
0
High Z feed.
Power Down
To P.S. via
Res.
Open
off-hook
line 1
off-hook
line 1
-
X
1
X
0
0
ACTIVE
300
µA bias 300µA bias
-
-
-
X
1
X
1
1
ACTIVE
To Buffer
To Buffer
off-hook
line 1+2
--
X
1
X
0
1
ACTIVE
300
µA bias To Buffer
off-hook
line 2
--
X
1
X
1
0
ACTIVE
To Buffer
300
µA bias
off-hook
line 1
--
1
0
X
0
1
RING
300
µA bias 300µA bias
-
-
-
1
0
X
1
1
RING
To Buffer
To Buffer
Ring-trip
line 1+2
--
1
0
X
0
1
RING
300
µA bias To Buffer
Ring-trip
line 2
--
1
0
X
1
0
RING
To Buffer
300
µA bias Ring-trip
line 1
--
R1
R1
R1
R1
Is2
Is1
VBAT
TIP1
RING1
TIP2
RING2
Tip
Ring
BGND
Sw1T
Sw1R
Sw2T
Sw2R
Sw4T
Sw3T
Sw4R
Sw3R
Line
Driver
Sw6R
Sw5R
300
µA
300
µA
R1 = 1500 ohm
LINE1
LINE2
Figure 1. Dual Port Concept.
STLC3065
6/27



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