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參數(shù)資料
| 型號： | OPA681U |
| 英文描述： | Wideband, Current Feedback OPERATIONAL AMPLIFIER With Disable |
| 中文描述： | 寬帶，電流反饋運(yùn)算放大器，禁用 |
| 文件頁數(shù)： | 7/21頁 |
| 文件大?。?/td> | 241K |
| 代理商： | OPA681U |
OPA681
7
TYPICAL PERFORMANCE CURVES: V
S
=
±
5V
(CONT)
G = +2, R
F
= 402
, and R
L
= 100
, unless otherwise noted (see Figure 1).
–40
–50
–60
–70
–80
–90
2ND HARMONIC DISTORTION vs FREQUENCY
Frequency (MHz)
0.1
1
10
20
2
V
O
= 2Vp-p
R
L
= 100
G = +2, R
F
= 402
G = +10, R
F
= 180
G = +5, R
F
= 261
–40
–50
–60
–70
–80
–90
3RD HARMONIC DISTORTION vs FREQUENCY
Frequency (MHz)
0.1
1
10
20
3
V
O
= 2Vp-p
R
L
= 100
G = +2,
R
F
= 402
G = +10, R
F
= 180
G = +5, R
F
= 261
–40
–45
–50
–55
–60
–65
–70
–75
–80
–85
–90
TWO-TONE, 3RD-ORDER
INTERMODULATION SPURIOUS
Single-Tone Load Power (dBm)
–8
–6
–4
–2
0
2
4
6
8
10
3
dBc = dB below carriers
50MHz
20MHz
10MHz
Load Power at Matched 50
Load
60
50
40
30
20
10
0
RECOMMENDED R
S
vs CAPACITIVE LOAD
Capacitive Load (pF)
1
10
100
R
S
)
15
12
9
6
3
0
–3
–6
–9
–12
–15
Frequency (30MHz/div)
0
300MHz
150MHz
FREQUENCY RESPONSE vs CAPACITIVE LOAD
G
OPA681
R
S
V
IN
V
O
C
L
1k
402
402
1k
is optional.
C
L
= 22pF
C
L
= 10pF
C
L
= 47pF
C
L
= 100pF
100
10
1
INPUT VOLTAGE AND CURRENT NOISE DENSITY
Frequency (Hz)
100
1k
10k
100k
1M
10M
C
√
H
V
√
H
Non-Inverting Input Current Noise
Inverting Input Current Noise
12.2pA/
√
Hz
15.1pA/
√
Hz
Voltage Noise
2.2nV/
√
Hz
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相關(guān)代理商/技術(shù)參數(shù) |
參數(shù)描述 |
|---|---|
| OPA681U/2K5 | 制造商:未知廠家 制造商全稱:未知廠家 功能描述:Current-Feedback Operational Amplifier |
| OPA682 | 制造商:BB 制造商全稱:BB 功能描述:Wideband, Fixed Gain BUFFER AMPLIFIER With Disable |
| OPA682N | 制造商:BB 制造商全稱:BB 功能描述:Wideband, Fixed Gain BUFFER AMPLIFIER With Disable |
| OPA682N/250 | 制造商:Rochester Electronics LLC 功能描述:- Bulk 制造商:Texas Instruments 功能描述: |
| OPA682N/3K | 制造商:未知廠家 制造商全稱:未知廠家 功能描述:Analog Buffer/Voltage Follower |
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