參數(shù)資料
型號: OPA685
英文描述: Ultra-Wideband, Current-Feedback OPERATIONAL AMPLIFIER With Disable TM
中文描述: 超寬帶,電流反饋運算放大器商標使用禁用
文件頁數(shù): 9/28頁
文件大?。?/td> 283K
代理商: OPA685
9
OPA685
TYPICAL PERFORMANCE CURVES: V
S
=
±
5V
(CONT)
G = +8, R
F
= 402
, and R
L
= 100
, unless otherwise noted.
0.2
0.18
0.16
0.14
0.12
0.1
0.08
0.06
0.04
0.02
0.
Number of Video Loads
1
2
3
4
COMPOSITE VIDEO dG/d
φ
d
φ
°
)
dG, Positive Video
d
φ
, Negative Video
d
φ
, Positive Video
dG, Negative Video
G = +2
R
F
= 511
6.1
6.0
5.9
+1.0
+0.5
0
–0.5
–1.0
0
100
200
Frequency (20MHz/div)
G
P
°
/
GAIN FLATNESS AND DEVIATION FROM
LINEAR PHASE vs FREQUENCY
Deviation from Linear Phase
Right Scale
Gain
Left Scale
G = +2
R
L
= 100
R
F
= 523
60
55
50
45
40
35
30
25
20
10
2
10
3
10
4
10
5
10
6
10
7
10
8
CMRR AND PSRR vs FREQUENCY
Frequency (Hz)
R
+PSRR
–PSRR
CMRR
95
85
75
65
55
45
35
OPEN-LOOP TRANSIMPEDANCE GAIN/PHASE
Frequency (Hz)
100k
1M
10M
100M
1G
10G
L
/
0
–40
–80
–120
–160
–200
–240
O
°
/
|Z
OL
|
Z
OL
15
12
9
6
3
0
150
120
90
60
30
0
–40
–10
20
50
80
110
140
SUPPLY AND OUTPUT CURRENT vs TEMPERATURE
Temperature (C)
S
O
Supply Current
Sourcing Output Current
Sinking Output Current
5
4
3
2
1
0
–1
–2
–3
–4
–5
100
80
60
40
20
0
–20
–40
–60
–80
–100
–40
–20
0
20
40
60
80
100
120
140
TYPICAL DC DRIFT OVER TEMPERATURE
Ambient Temperature (
°
C)
I
I
μ
A
Inverting Input
Bias Current
Non-Inverting Input
Bias Current
V
IO
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