L9215A/G
Short-Loop Sine Wave Ringing SLIC
Data Sheet
September 2001
ac Applications (continued)
Design Examples (continued)
Blocking Capacitors
RTGS
CGS
Rx
RGX = 4750 Ω
–IT/R
CB1
0.1 µF
318.25
RT6
RT3
–
+
20
VTX
TXI
VITR
CODEC
OP AMP
CN
RHB
RN1
RCVN
RCVP
CB2
RRCV
RGP
2.5 V
RN2
CODEC
OUTPUT
DRIVE
AMP
5-6401.M (F)
Figure 25. ac Interface Using First-Generation Codec (Including Blocking Capacitors) for Complex Termi-
nation Impedance
42
Agere Systems Inc.