L9214A/G
Low-Cost Ringing SLIC
Preliminary Data Sheet
October 2001
Test Configurations
133 kΩ
1 µF
RTFLT
75 kΩ
DCOUT
5.76 kΩ
RCVP
RCVN
RCVP
RCVN
IPROG
IREF
28.7 kΩ
VITR
30 Ω
VITR
TIP
PR
0.1 µF
RLOOP
100 Ω/600 Ω
L9214
TXI
30 Ω
VTX
RING
PT
4750 Ω
ITR
0.047 µF
FB2
0.047 µF
B0
B1
B2
B3
B0
B1
B2
B3
FB1
CF1
0.47 µF
0.1 µF
CF2
VBAT2
VBAT1
BGND VCC
AGND
ICM TRGDET NSTAT
0.1 µF
0.1 µF
600 kΩ
0.1 µF
0.1 µF
VBAT2
VBAT1
VCC
VCC
12-3531.j (F)
Figure 5. Basic Test Circuit, VCC = 3.3 V (3 REN Configuration)
22
Agere Systems Inc.