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AD8638 데이터 시트보기 (PDF) - Analog Devices

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AD8638
16 V Auto-Zero, Rail-to-Rail Output Operational Amplifiers
ADI
Analog Devices 
AD8638 Datasheet PDF : 20 Pages
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AD8638/AD8639
TA = 25°C, unless otherwise noted.
120
120
100
PHASE
100
80
80
60
60
40
GAIN
20
40
CL = 20pF
20
0
0
–20
–20
–40
CL = 200pF
–40
–60
–60
–80 VSY = ±2.5V
–100 RL = 2kΩ
–80
–100
–120
1k
10k
100k
1M
FREQUENCY (Hz)
–120
10M
Figure 17. Open-Loop Gain and Phase vs. Frequency
60
AV = +100
40
VSY = ±2.5V
RL = 2kΩ
CL = 20pF
AV = +10
20
AV = +1
0
–20
–40
1k
10k
100k
1M
10M
FREQUENCY (Hz)
Figure 18. Closed-Loop Gain vs. Frequency
1k
VSY = ±2.5V
100
AV = –10
10
AV = –100
1
AV = +1
0.1
100
1k
10k
100k
1M
10M
FREQUENCY (Hz)
Figure 19. Output Impedance vs. Frequency
120
120
100
PHASE
100
80
80
60
60
40
GAIN
20
40
CL = 20pF
20
0
0
–20
–20
–40
CL = 200pF
–40
–60
–60
–80
–100
VSY = ±8V
RL = 2kΩ
–80
–100
–120
1k
10k
100k
1M
FREQUENCY (Hz)
–120
10M
Figure 20. Open-Loop Gain and Phase vs. Frequency
60
AV = +100
40
VSY = ±8V
RL = 2kΩ
CL = 20pF
AV = +10
20
AV = +1
0
–20
–40
1k
10k
100k
1M
10M
FREQUENCY (Hz)
Figure 21. Closed-Loop Gain vs. Frequency
1k
VSY = ±8V
100
AV = –10
10
AV = –100
1
AV = +1
0.1
100
1k
10k
100k
1M
10M
FREQUENCY (Hz)
Figure 22. Output Impedance vs. Frequency
Rev. C | Page 8 of 20

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