CPC5620 Datasheet, PDF (15/18 Pages) Clare, Inc. – LITELINK III Phone Line Interface IC (DAA)

6. LITELINK Performance
The following graphs show LITELINK performance
using the North American application circuit shown in
this data sheet.
CPC5620/CPC5621
Figure 8. Receive Frequency Response at RX
Figure 11. Transmit THD on Tip and Ring
2
0
-2
-4
Gain
-6
dBm
-8
-10
-12
-14
0
500
1000
1500
2000
2500
3000
3500
4000
Frequency
0
-20
-40
y _-60
THD+N
dB
r _-80
-100
a _-120
-140
in⁰
500
1000
1500
2000
2500
Frequency
3000
3500
4000
lim Figure 9. Transmit Frequency Response at TX
2
0
-2
e _-4
Gain
r dBm
-6
P ^-8
Figure 12. Trans-Hybrid Loss
0
-5
-10
-15
THL
-20
dB
-25
-30
-10
-35
-12
0
500
1000
1500
2000
2500
3000
3500
4000
Frequency
-40
0
500
1000
1500
2000
2500
3000
3500
4000
Frequency
Figure 10. Receive THD on RX
0
-20
-40
-60
THD+N
dB
-80
-100
-120
-140
0
500
1000
1500
2000
2500
3000
3500
4000
Frequency
Figure 13. Return Loss
60
55
50
Re tur n
Loss 45
(dB)
40
35
30
0
500
1000
1500
2000
2500
3000
3500
4000
Frequency (Hz)
Rev. 0.E
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