L9216B/H
Preliminary Data Sheet
September 2001
High-Voltage Ringing SLIC with Ground Start
Test Configurations
RTFLT
RINGIN
RINGIN
0.1 µF
0.47 µF
383 kΩ
26.7 kΩ
DCOUT
RCVP
RCVN
VITR
RCV
RCV
VITR
30 Ω
60.4 kΩ
69.8 kΩ
TIP
PR
RLOOP
0.1 µF
100 Ω/600 Ω
30 Ω
RING
PT
L9216
BASIC
TEST
0.1 µF
TXI
VPROG
VREF
FB2
CIRCUIT
VTX
4750 Ω
ITR
FB1
B0
B1
B2
B0
B1
B2
CF1
CF2
0.1 µF
0.1 µF
VBAT2
VBAT1
BGND VCC
AGND
ICM RGDET NSTAT
0.1 µF
0.1 µF
114 kΩ
0.1 µF
0.1 µF
VBAT2
VBAT1
VCC
VCC
Figure 3. Basic Test Circuit
Agere Systems Inc.
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