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L9312 Datasheet(PDF) 21 Page - Agere Systems

Part # L9312
Description  Line Interface and Line Access Circuit Forward Battery SLIC and Ringing Relay for TR-57 Applications
PDF  40 Pages
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Manufacturer  AGERE [Agere Systems]
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L9312 Datasheet(HTML) 21 Page - Agere Systems

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Data Sheet
July 2001
Forward Battery SLIC and Ringing Relay for TR-57 Applications
L9312 Line Interface and Line Access Circuit
Agere Systems Inc.
21
Test Configurations
12-3524f (F)
Figure 5. Basic Test Circuit
TRING
RRING
RSW
RTS
PR
PT
VPROG
LCTH
VREF
LCF
CF2
TXI
VTX
ITR
PWR/
VBAT1
VDD
DGND
NSTAT
TRING
RING
TIP
VREF
VCC
50
Ω
50
Ω
RLOOP
0.1
µF
0.1
µF
0.1
µF
0.1
µF
VBAT2/PWR
VBAT1
VCC
VDD
NSTAT
B0
B0
B1
B1
B2
B2
LATCH
LATCH
RESET
RESET
0.1
µF
L9312
BASIC
TEST
CIRCUIT
RING
VBAT2
BGND
VCC
AGND
6.34 k
Ω
RSW
RTS
VPROG
LCTH
100
Ω/600 Ω
0.1
µF
0.1
µF
OVH
CF1
RCVP
RCVN
VITR
VITR
RCV
4.13 k
Ω
VREF
20 k
Ω
20 k
Ω
(GAIN = 2)
46.4 k
Ω
(GAIN = 8)



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