MIC920(2001) 查看數據表（PDF） - Micrel
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MIC920 Datasheet PDF : 11 Pages
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MIC920
Bias Current vs.
Temperature
0.35
0.30
0.25
±5V
0.20
±9V
0.15
0.10
0.05
0.0-040 -20 0 20 40 60 80 100
TEMPERATURE (°C)
Closed-Loop Gain
vs. Frequency
50
40
30
20
10
400pF 200pF
0
100pF 0
-10
1000pF
-20
800pF
600pF
-30
-40
V± = ±5V
Av = 1
-50
11EM+6
1100EM+6
11000E2M+060E+6
FREQUENCY (Hz)
Open-Loop Gain
vs. Frequency
50
40
V± = ±9V
30
20
10
0 1000pF
-10
471pF
200pF
-20
121pF
50pF
1.7pF
-30
-40
-50
11x1M06
101x01M06
10100x021M0006x106
FREQUENCY (Hz)
Gain Bandwidth and Phase
Margin vs. Load
90
55
V± = ±9V
80
50
70
45
60
50
Phase Margin
40
40
35
30
30
20
Gain
Bandwidth
10
25
00 200 400 600 800 100200
CAPACITIVE LOAD (pF)
MIC920
Closed-Loop Frequency
Response
25
20
15
10
5
0
±9.0V
-5
-10
±5.0V
-15
Av = –1
-20 R+ = RI = 475Ω
-25
11EM+6
101E0M+6
±2.5V
1010E02M+060E+6
FREQUENCY (Hz)
Closed-Loop Gain
vs. Frequency
50
40
30
20
10
200pF
1.7pF
0
100pF
-10
1000pF
-20
800pF
600pF
-30
400pF
-40
V± = ±9V
Av = 1
-50
11EM+6
11E0+M7
1E00+M82E+8
FREQUENCY (Hz)
Gain Bandwidth and Phase
Margin vs. Supply Voltage
85
37
Phase Margin
80
35
75
33
70
31
65
29
60
55
27
Gain Bandwidth
500 1 2 3 4 5 6 7 8 9 1025
SUPPLY VOLTAGE (±V)
Open-Loop Frequency
Response
100
225
80
V± = ±5V 180
60
100Ω
135
40
Phase 90
20
No Load
45
0
Gain
0
-20
100Ω
-45
-40
-90
-60
-135
-80
-180
-100
100k 1M
-225
10M 100M
CAPACITIVE LOAD (pF)
6
Micrel
Closed-Loop Frequency
Response
25
20
15
10
5
±9.0V
0
-5
±5.0V
-10
±2.5V
-15 Av = 2
-20
R
F
=
RI
=
475Ω
-25
11EM+6
101E0M+6
1010E02M+060E+6
FREQUENCY (Hz)
Open-Loop Gain
vs. Frequency
50
40
V± = ±5V
30
20
10
0 1000pF
-10
471pF
200pF
-20
121pF
50pF
1.7pF
-30
-40
-50
11x1M06
101x01M06
10100x021M0006x106
FREQUENCY (Hz)
Gain Bandwidth and Phase
Margin vs. Load
70
50
V± = ±5V
60
45
50
40
40
Phase Margin
35
30
30
20
Gain
10
Bandwidth
25
00 200 400 600 800 100200
CAPACITIVE LOAD (pF)
Open-Loop Frequency
Response
100
225
80
V± = ±9V 180
60
100Ω
135
40
Phase 90
20
No Load
45
0
Gain
0
-20
100Ω
-45
-40
-90
-60
-135
-80
-180
-100
100k 1M
-225
10M
100M
CAPACITIVE LOAD (pF)
December 2001
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