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參數(shù)資料
| 型號： | OPA637SM |
| 英文描述： | ECONOLINE: RB & RA - Dual Output from a Single Input Rail- Power Sharing on Output- Industry Standard Pinout- 1kVDC & 2kVDC Isolation- Custom Solutions Available- UL94V-0 Package Material- Efficiency to 85% |
| 中文描述： | 精密高速Difet運算放大器 |
| 文件頁數(shù)： | 4/13頁 |
| 文件大小： | 256K |
| 代理商： | OPA637SM |
4
OPA627, 637
TYPICAL PERFORMANCE CURVES
At T
A
= +25
°
C, and V
S
=
±
15V, unless otherwise noted.
INPUT VOLTAGE NOISE SPECTRAL DENSITY
1k
100
10
1
1
Frequency (Hz)
V
√
10
100
1k
10k
100k
1M
10M
VOLTAGE NOISE vs SOURCE RESISTANCE
Source Resistance ( )
1k
100
10
1
100
OPA627 + Resistor
Resistor Noise Only
Spot Noise
at 10kHz
V
√
1k
10k
100k
1M
10M
100M
Comparison with
OPA27 Bipolar Op
Amp + Resistor
–
+
R
S
OPA627 GAIN/PHASE vs FREQUENCY
P
G
30
20
10
0
–10
–90
–120
–150
–180
–210
1
Phase
Gain
Frequency (MHz)
10
100
75° Phase
Margin
OPA637 GAIN/PHASE vs FREQUENCY
P
G
30
20
10
0
–10
–90
–120
–150
–180
–210
1 10 100
Frequency (MHz)
Phase
Gain
TOTAL INPUT VOLTAGE NOISE vs BANDWIDTH
100
10
1
0.1
0.01
1
10
100
1k
10k
100k
1M
10M
Bandwidth (Hz)
I
Noise Bandwidth:
0.1Hz to indicated
frequency.
RMS
p-p
OPEN-LOOP GAIN vs FREQUENCY
Frequency (Hz)
V
1 10 100 1k 10k 100k 1M 10M 100M
140
120
100
80
60
40
20
0
–20
OPA637
OPA627
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