Datasheet

AD8123
Rev. A | Page 8 of 16
–1.5
–1.0
–0.5
0
0.5
1.0
1.5
0 50 100 150 200 250 300 350 400 450 500
06814-009
TIME (ns)
OUTPUT VOLTAGE (V)
150m
300m
50m
Figure 11. Pulse Response for Various Cable Lengths (2 MHz)
10
100
1000
10000
0m
150m
300m
100k 1M 10M 100M
06814-010
FREQUENCY (Hz)
OUTPUT VOLTAGE NOISE (nV/ Hz)
Figure 12. Output Voltage Noise vs. Frequency for Various Cable Length
–90
–80
–70
–60
–50
–40
–30
–20
–10
0
10
20
V
GAIN
= 0V, V
PEAK
= 0V, V
POLE
= 0V
V
GAIN
= 1.85V, V
PEAK
= 1.65V, V
POLE
= 1.75V
100k 1M 10M 100M
06814-011
FREQUENCY (Hz)
CMRR (dB)
Figure 13. CMRR vs. Frequency
–1.5
–1.0
–0.5
0
0.5
1.0
1.5
012345678910
50m
150m
300m
06814-012
TIME (µs)
OUTPUT VOLTAGE (V)
Figure 14. Pulse Response for Various Cable Lengths (100 kHz)
5
10
15
20
25
0
30
25 50 75 100 125 150 175 200 225 250 275 300
06814-013
CABLE LENGTH (meters)
INTEGRATED OUTPUT VOLTAGE NOISE FROM
100kHz TO 160MHz (mV rms)
Figure 15. Integrated Output Voltage Noise vs. Cable Length
100k 1M 10M 100M
06814-014
FREQUENCY (Hz)
V
GAIN
= 0V, V
PEAK
= 0V, V
POLE
= 0V
V
GAIN
= 1.85V, V
PEAK
= 1.65V, V
POLE
= 1.75V
–80
–70
–60
–50
–40
–30
–20
–10
0
10
20
CROSSTALK (dB)
Figure 16. Crosstalk vs. Frequency