AD8392
1G
180
100
100M
160
PHASE
10M
140
PD (1, 0)
1M TRANSIMPEDANCE
100k
120
10
100
PD (0, 0)
10k
80
1k
60
PD (0, 1)
1
100
40
10
20
1
0
0.1
–20
0.1
0.01
–40
0.001
0.0001
100
–60
–80
1k
10k 100k
1M
10M 100M 1G
FREQUENCY (Hz)
Figure 28. Open-Loop Transimpedance and Phase
TE 100nF 49.9Ω
499Ω
E 2kΩ
100Ω
L Figure 29. Quad Op Amp Circuit
O 100nF 49.9Ω
S 2kΩ
1kΩ
B2kΩ
O 100nF 49.9Ω
100Ω
0.01
0.01
0.1
1
10
100
FREQUENCY (MHz)
Figure 31. Output Impedance vs. Frequency
Quad Op Amp Circuit (Figure 29)
VS = ±12 V, G = +5, PD (0, 0)
280kΩ
100nF 866Ω
162Ω
VCM
162Ω
100nF 866Ω
6.19Ω
2kΩ
226Ω
100nF
2kΩ
100Ω
6.19Ω
280kΩ
Figure 32. ADSL/ADSL2+ Circuit
1000
Figure 30. Dual Differential Driver Circuit
Rev. A | Page 10 of 16