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參數資料
| 型號： | OPA687 |
| 英文描述： | Wideband, Ultra-Low Noise, Voltage Feedback OPERATIONAL AMPLIFIER With Power Down |
| 中文描述： | 寬帶，超低噪聲，電壓反饋運算放大器打倒電源 |
| 文件頁數： | 6/16頁 |
| 文件大?。?/td> | 172K |
| 代理商： | OPA687 |
6
OPA687
TYPICAL PERFORMANCE CURVES: V
S
=
±
5V
(CONT)
R
F
= 750
, R
G
= 39.2
, G = +20 and R
L
= 100
,
unless otherwise noted (Figure 1).
2nd HARMONIC DISTORTION vs FREQUENCY
–50
–60
–70
–80
–90
–100
2
V
O
= 2Vp-p
R
L
= 100
Frequency (MHz)
1
10
20
G = +51
G = +30
G = +20
10.0
1.0
0.10
INPUT VOLTAGE and CURRENT NOISE DENSITY
Frequency (Hz)
100
10M
1k
10k
100k
1M
C
√
H
V
√
H
2.5pA/
√
Hz
0.95nV/
√
Hz
Current Noise
Voltage Noise
3rd HARMONIC DISTORTION vs FREQUENCY
–50
–60
–70
–80
–90
–100
3
V
O
= 2Vp-p
R
L
= 100
Frequency (MHz)
1
10
20
G = +51
G = +30
G = +20
TWO-TONE, 3rd-ORDER INTERMODULATION
INTERCEPT vs FREQUENCY
Frequency (MHz)
I
10
50
45
40
35
30
25
20
15
10
20
30
40
50
60
70
80
90
100
OPA687
50
39.2
750
50
50
P
I
P
O
50
45
40
35
30
25
20
15
10
5
0
R
S
vs CAPACITIVE LOAD
Capacitive Load (pF)
1
10
100
R
S
)
28
27
26
25
24
23
22
21
20
19
18
Frequency (MHz)
FREQUENCY RESPONSE vs CAPACITIVE LOAD
1
100
10
500
G
C
L
= 10pF
C
L
= 50pF
C
L
= 20pF
C
L
= 100pF
OPA687
R
S
V
IN
V
O
C
L
1k
750
39.2
1k
is optional
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相關代理商/技術參數 |
參數描述 |
|---|---|
| OPA687N | 制造商:BB 制造商全稱:BB 功能描述:Wideband, Ultra-Low Noise, Voltage Feedback OPERATIONAL AMPLIFIER With Power Down |
| OPA687N/250 | 制造商:未知廠家 制造商全稱:未知廠家 功能描述:Voltage-Feedback Operational Amplifier |
| OPA687N/3K | 制造商:未知廠家 制造商全稱:未知廠家 功能描述:Voltage-Feedback Operational Amplifier |
| OPA687U | 制造商:Rochester Electronics LLC 功能描述:OP AMP,HIGH SPEED VFB W/PWR DOWN - Bulk |
| OPA687U/2K5 | 制造商:未知廠家 制造商全稱:未知廠家 功能描述:Voltage-Feedback Operational Amplifier |
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