Datasheet

AD8122 Data Sheet
Rev. 0 | Page 10 of 20
–100
–80
–60
–40
–20
0
20
0.1 1 10 100
CMR (dB)
FREQUENCY (MHz)
300m
150m
ΔV
OUT
/ΔV
IN, CM
10780-016
Figure 16. Input Common-Mode Rejection vs. Frequency
for 300 m and 150 m Cable Lengths, G = 1
–70
–60
–50
–40
–30
–20
–10
0
10
20
0.1 1 10 100
PSR (dB)
FREQUENCY (MHz)
POSITIVE, 150m
POSITIVE, 300
m
NEGATIVE, 150m
NEGATIVE, 300m
ΔV
OUT
/ΔV
SUPPLY
10780-017
Figure 17. Power Supply Rejection vs. Frequency
for 300 m and 150 m Cable Lengths, G = 1
–6
–4
–2
0
2
4
6
0 100 200 300 400 500 600 700 800 900 1000
VOLTAGE (V)
TIME (ns)
INPUT
OUTPUT WITHOUT INPUT CLAMPS
OUT
PUT WITH INPUT CLAMPS
10780-018
Figure 18. Overdrive Recovery, G = 1
–100
–80
–60
–40
–20
0
20
0.1 1 10 100
CMR (dB)
FREQUENCY (MHz)
300m
150m
ΔV
OUT
/ΔV
IN, CM
10780-019
Figure 19. Input Common-Mode Rejection vs. Frequency
for 300 m and 150 m Cable Lengths, G = 2
–70
–60
–50
–40
–30
–20
–10
0
10
20
0.1 1 10 100
PSR (dB)
FREQUENCY (MHz)
POSITIVE, 150m
NEGATIVE, 150m
NEGATIVE, 300m
ΔV
OUT
/ΔV
SUPPLY
10780-020
POSITIVE, 300m
Figure 20. Power Supply Rejection vs. Frequency
for 300 m and 150 m Cable Lengths, G = 2
–6
–4
–2
0
2
4
6
0 100 200 300 400 500 600 700 800 900
1000
VOLTAGE (V)
TIME (ns)
INPUT × 2
OUTPUT
10780-121
Figure 21. Overdrive Recovery, G = 2