AD8124 データシートの表示（PDF） - Analog Devices
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AD8124 Datasheet PDF : 15 Pages
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Data Sheet
AD8124
TYPICAL PERFORMANCE CHARACTERISTICS
TA = 25°C, VS = ±5 V, RL = 150 Ω, Belden Cable (BL-7987R), VOFFSET = 0 V, VPEAK, VGAIN, and VPOLE are set to recommended settings shown in
Figure 16, unless otherwise noted.
4
VPEAK = 0V
3 VPOLE = 0V
VO = 1V p-p
2
3
VO = 2V p-p
0
1
0
–3
–1
–2
–6
–3
–4
VGAIN = 0V
–5
VGAIN = 0.6V
VGAIN = 1.5V
–6
100k
1M
10M
100M
1G
FREQUENCY (Hz)
Figure 4. Frequency Response for Various VGAIN Without Cable
–9
–12
100k
50m
100m
150m
200m
1M
10M
FREQUENCY (Hz)
100M
Figure 7. Equalized Frequency Response for Various Cable Lengths
40
VGAIN = 0.6V
30 VPOLE = 1.5V
VO = 1V p-p
20
10
0
–10
–20
–30
–40
–50
–60
100k
VPEAK = 0V
VPEAK = 1.5V
1M
10M
FREQUENCY (Hz)
100M
Figure 5. Frequency Response for Various VPEAK Without Cable
120
VOUT = 2V p-p
100
80
60
40
20
0
25
50
75 100 125 150 175 200
CABLE LENGTH (meters)
Figure 8. Equalized −3 dB Bandwidth vs. Cable Length
40
VGAIN = 0.6V
30 VPEAK = 1.5V
VO = 1V p-p
20
10
0
–10
–20
–30
–40
–50
–60
100k
VPOLE = 0V
VPOLE = 1.5V
1M
10M
FREQUENCY (Hz)
100M
Figure 6. Frequency Response for Various VPOLE Without Cable
6
VVVGPPEOAALINKE
= 0.6V
= 0V
= 0V
4
2
0
–2
–4
INPUT
OUTPUT
–6
0 50 100 150 200 250 300 350 400 450 500
TIME (ns)
Figure 9. Overdrive Recovery
Rev. A | Page 7 of 15
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