LUCL9218AAR-D AGERE [Agere Systems], LUCL9218AAR-D Datasheet - Page 26

• Manufacturer Part Number: LUCL9218AAR-D
• Description: Low-Cost Line Interface
• Manufacturer: AGERE [Agere Systems]

L9218A/G Low-Cost Line Interface
Applications
ac Design
Example 2: Complex Termination (First-Generation Codec) (continued)
26
(continued)
201.2
–I
–I
201.2
–I
T/R
T/R
T/R
Figure 18. Interface Circuit Using First-Generation Codec (5 V Only Codec)
(continued)
Figure 17. Interface Circuit Using First-Generation Codec ( 5 V Battery)
R
R
TGP
TGP
R
R
R
RCVN
RCVP
TGS
TGS
AX
RCVN
AX
RCVP
= 8.06 k
R
R
TGS
= 8.06 k
CVN
CVP
C
C
C
GS
GS
G
R
GP
C
B
C
B
AAC
R
R
AAC
N1
N2
R
R
R
C
N1
N1
N2
N
C
C
N
N
R
T3
R
R
T6
RCV
R
R
R
R
R
R
R
T3
T3
T6
T6
RCV
RCV
GP
C
C
B1
B2
–
–
+
+
+
OP AMP
OP AMP
–
R
CODEC
CODEC
OP AMP
CODEC
X
–2.4 V
R
X
CODEC
OUTPUT
DRIVE
AMP
CODEC
OUTPUT
DRIVE
AMP
November 2001
Agere Systems Inc.
Data Sheet
5-6400 (F).n
5-6401 (F).j