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參數(shù)資料
| 型號： | OPA685U |
| 元件分類： | 運(yùn)動控制電子 |
| 英文描述： | Ultra-Wideband, Current-Feedback OPERATIONAL AMPLIFIER With Disable TM |
| 中文描述： | 超寬帶，電流反饋運(yùn)算放大器商標(biāo)使用禁用 |
| 文件頁數(shù)： | 5/28頁 |
| 文件大?。?/td> | 283K |
| 代理商： | OPA685U |
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5
OPA685
TYPICAL PERFORMANCE CURVES: V
S
=
±
5V
G = +8, R
F
= 402
, and R
L
= 100
, unless otherwise noted.
6
3
0
–3
–6
–9
–12
–15
–18
–21
–24
Frequency (100MHz/div)
0
1GHz
500MHz
NON-INVERTING SMALL-SIGNAL
FREQUENCY RESPONSE
N
G = +16, R
F
= 249
G = +8, R
F
= 402
See Figure 1
G = +2, R
F
= 511
V
O
= 500mVp-p
G = +4, R
F
= 475
24
21
18
15
12
9
6
3
0
–3
–6
Frequency (100MHz/div)
0
1GHz
500MHz
INVERTING LARGE-SIGNAL
FREQUENCY RESPONSE
G
V
O
= 4Vp-p
V
O
= 7Vp-p
G = –8, R
F
= 442
V
O
= 1Vp-p
V
O
= 2Vp-p
See Figure 2
70
60
50
40
30
20
10
0
10
100
G = +8
OPA685
R
S
V
I
C
L
V
O
402
56.2
1k
is optional
50
1k
RECOMMENDED R
S
vs CAPACITIVE LOAD
Capacitive Load (pF)
R
S
21
18
15
12
9
6
3
0
–3
0
250 MHz
500 MHz
Frequency (50MHz/div)
G
FREQUENCY RESPONSE vs CAPACITIVE LOAD
C
L
= 10pF
C
L
= 20pF
C
L
= 47pF
C
L
= 100pF
Optimized R
S
24
21
18
15
12
9
6
3
0
–3
–6
Frequency (100MHz/div)
0
1GHz
500MHz
NON-INVERTING LARGE-SIGNAL
FREQUENCY RESPONSE
G
V
O
= 7Vp-p
V
O
= 2Vp-p
V
O
= 4Vp-p
G = +8, R
F
= 402
See Figure 1
V
O
= 1Vp-p
6
3
0
–3
–6
–9
–12
–15
–18
–21
–23
Frequency (100MHz/div)
0
1GHz
500MHz
INVERTING SMALL-SIGNAL
FREQUENCY RESPONSE
N
G = –16, R
F
= 806
G = –2, R
F
= 499
V
O
= 500mVp-p
F
G = –4, R
F
= 475
G = –8, R
F
= 442
See Figure 2
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相關(guān)代理商/技術(shù)參數(shù) |
參數(shù)描述 |
|---|---|
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| OPA686N/250 | 制造商:Rochester Electronics LLC 功能描述:- Bulk 制造商:Texas Instruments 功能描述: |
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