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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(yè)數(shù)： | 7/28頁(yè) |
| 文件大?。?/td> | 283K |
| 代理商： | OPA685U |
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7
OPA685
TYPICAL PERFORMANCE CURVES: V
S
=
±
5V
(CONT)
G = +8, 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)
1
10
100
2
G = +2,
R
F
= 511
G = +4,
R
F
= 475
G = +8
R
F
= 402
G = +16
R
F
= 249
V
O
= 2Vp-p
R
L
= 100
–40
–50
–60
–70
–80
–90
3rd HARMONIC DISTORTION
vs FREQUENCY
Frequency (MHz)
1
10
100
3
G = +4
R
F
= 475
G = +16
R
F
= 249
V
O
= 2Vp-p
R
L
= 100
G = +8
R
F
= 402
G = +2
R
F
= 511
NON-INVERTING LARGE-SIGNAL PULSE RESPONSE
Time (1ns/div)
8
G = +2
R
F
= 511
V
O
= 4Vp-p
Output
Input
2400
1600
800
0
–800
–1600
–2400
NON-INVERTING SMALL-SIGNAL PULSE RESPONSE
Time (1ns/div)
4
1200
800
400
0
–400
–800
–1200
Output
Input
G = +2
R
F
= 511
V
O
= 1Vp-p
INVERTING LARGE-SIGNAL PULSE RESPONSE
Time (1ns/div)
8
Input
2400
1600
800
0
–800
–1600
–2400
Output
See Figure 2
G = –8
R
F
= 442
V
O
= 4Vp-p
INVERTING SMALL-SIGNAL PULSE RESPONSE
Time (1ns/div)
4
1200
800
400
0
–400
–800
–1200
G = –8
R
F
= 442
V
O
= 1Vp-p
Output
Input
See Figure 2
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