AD8042 데이터 시트보기 (PDF) - Analog Devices
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AD8042 Datasheet PDF : 16 Pages
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AD8042
300
100
30
10
3
1
10 100 1k 10k 100k 1M 10M 100M 1G
FREQUENCY (Hz)
Figure 11. Input Voltage Noise vs. Frequency
–30
–40
VS = 3V, AV = –1,
RL = 100Ω TO 1.5V
–50
VS = 5V, AV = +2,
RL = 100Ω TO 2.5V
–60 VS = 5V, AV = +1,
RL = 100Ω TO 2.5V
–70
–80
–90
–100
1
VS = 5V, AV = +1,
RL = 1kΩ TO 2.5V
VS = 5V, AV = +2,
RL = 1kΩ TO 2.5V
2
3
4 5 6 7 8 9 10
FUNDAMENTAL FREQUENCY (MHz)
Figure 12. Total Harmonic Distortion vs. Frequency
–30
VS = 5V, G = +2,
RL = 1kΩ TO 2.5V
–40
–50
10MHz
–60
5MHz
–70
–80
1MHz
–90
–100
–110
0
0.5 1.0 1.5 2.0 2.5 3.0 3.5 4.0 4.5 5.0
OUTPUT VOLTAGE (V p-p)
Figure 13. Worst Harmonic vs. Output Voltage
0.04
NTSC SUBCARRIER (3.579MHz)
0.03
0.02
0.01
0
VS = +5V
G = +2
RL = 150Ω TO 2.5V
VS = ±5V
G = +2
RL = 150Ω
–0.01
0.05
0.04
0.03
VS = +5V
G = +2
RL = 150Ω TO 2.5V
0.02
0.01
0
–0.01
0
VS = ±5V
G = +2
RL = 150Ω
10 20 30 40 50 60 70 80 90 100
MODULATING RAMP LEVEL (IRE)
Figure 14. Differential Gain and Phase Errors
0.6
0.5
0.4
0.3
0.2
0.1
0
–0.1
–0.2
–0.3
–0.4
1
VS = 5V
G = +2
RF = 200Ω
RL = 150Ω TO 2.5V
14MHz
10
100
500
FREQUENCY (MHz)
Figure 15. 0.1 dB Gain Flatness
120
100
80
GAIN
60
VS = 5V
G = +2
RF = 200Ω
RL = 150Ω TO 2.5V
45
40
0
20
–45
PHASE
0
–90
–20
–135
–40
–180
–60
–225
–80
0.01
0.1
1
10
FREQUENCY (MHz)
–270
100
500
Figure 16. Open-Loop Gain and Phase vs. Frequency
Rev. E | Page 8 of 16
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