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參數(shù)資料
| 型號(hào)： | OPA685U |
| 元件分類： | 運(yùn)動(dòng)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)： | 12/28頁 |
| 文件大?。?/td> | 283K |
| 代理商： | OPA685U |
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12
OPA685
TYPCIAL PERFORMANCE CURVES: V
S
= +5V
(CONT)
G = +8, R
F
= 348
, and R
L
= 100
, unless otherwise noted.
–40
–45
–50
–55
–60
–65
–70
–75
2nd HARMONIC DISTORTION vs FREQUENCY
Frequency (MHz)
1
10
100
2
R
L
= 500
R
L
=100
R
L
= 200
G = +8
V
O
= 2Vp-p
See Figure 3
–40
–45
–50
–55
–60
–65
–70
–75
–80
3rd HARMONIC DISTORTION vs FREQUENCY
Frequency (MHz)
1
10
100
3
R
L
= 500
R
L
= 100
R
L
= 200
G = +8
V
O
= 2Vp-p
See Figure 3
40
35
30
25
20
15
Center Frequency (MHz)
0
50
150
200
100
TWO-TONE, 3rd-ORDER
INTERMODULATION INTERCEPT
O
G = –8
(see Figure 4)
G = +8
(see Figure 3)
6.2
6.1
6.0
5.9
1.0
0.5
0
–0.5
–1.0
Frequency (20MHz/div)
0
200MHz
100MHz
GAIN FLATNESS AND DEVIATION FROM
LINEAR PHASE vs FREQUENCY
G
P
°
/
Deviation from Linear Phase
Right Scale
Gain
Left Scale
G = +2
R
L
= 100
R
F
= 475
–40
–45
–50
–55
–60
–65
–70
–75
2nd HARMONIC DISTORTION vs FREQUENCY
Frequency (MHz)
1
10
100
2
G = +16
R
F
= 162
G = +8
R
F
= 348
G = +2
R
F
= 487
G = +4
R
F
= 442
See Figure 3
R
L
= 100
V
O
= 2Vp-p
–40
–45
–50
–55
–60
–65
–70
–75
3rd HARMONIC DISTORTION vs FREQUENCY
Frequency (MHz)
1
10
100
3
R
L
= 100
V
O
= 2Vp-p
G = +16
R
F
= 162
G = +8
R
F
= 348
G = +2
R
F
= 487
G = +4
R
F
= 442
See Figure 3
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