Datasheet

AD8392A
Rev. 0 | Page 6 of 12
CH1 200mV CH2 2V 400ns
2
0
6477-040
INPUT
CHANNEL 1
OUTPUT
CHANNEL 2
Figure 10. Output Overdrive Recovery, ADSL/ADSL2+ Circuit (
Figure 15),
DMT Waveform, V
S
= ±12 V
0
–100
100k 100M
FREQUENCY (Hz)
CROSSTALK (dB)
1M 10M
–10
–20
–30
–40
–50
–60
–70
–80
–90
DIFF CHANNEL 3, 4
DIFF CHANNEL 1, 2
06477-025
Figure 11. Crosstalk vs. Frequency, Dual Differential Driver Circuit (
Figure 14),
V
S
= ±12 V, V
IN
= 800 mV p-p
45
10
0 100
06477-054
LOAD RESISTANCE (Ω)
DIFFERENTIAL OUTPUT (V p-p)
40
35
30
25
20
15
10 20 30 40 50 60 70 80 90
Figure 12. Differential Output Swing vs. R
LOAD
Dual Differential Driver Circuit (
Figure 14)
100
0.01
10k 1G
FREQUENCY (Hz)
OUTPUT IMPEDANCE (Ω)
100k 1M 10M 100M
0.1
1
10
PD (0, 0)
PD (1, 0)
PD (0, 1)
06477-047
Figure 13. Output Impedance vs. Frequency
V
S
= ±12 V, G = +5, R
F
= 2 kΩ
2kΩ
2kΩ
499Ω
49.9Ω
49.9Ω
100Ω
0
6477-053
Figure 14. Dual Differential Driver Circuit
2kΩ
2kΩ
4.99Ω
4.99Ω
1.78kΩ
1.78k
Ω
634Ω
634Ω
1µF
87Ω
87Ω
77Ω
77Ω
0.01µF
0.01µF
100Ω
V
CM
06477-021
Figure 15. ADSL/ADSL2+ Circuit