參數(shù)資料
型號(hào)： OPA3682U
英文描述： Triple, Wideband, Fixed Gain BUFFER AMPLIFIER With Disable
中文描述： 三，寬帶，固定增益緩沖放大器具有禁用
文件頁(yè)數(shù)： 11/19頁(yè)
文件大小： 234K
代理商： OPA3682U
11
OPA3682
TYPICAL PERFORMANCE CURVES: V
S
= +5V
G = +2 and R
L
= 100
to V
S
/2
,
unless otherwise noted (see Figure 2).
2
1
0
–1
–2
–3
–4
–5
–6
–7
–8
Frequency (50MHz/div)
0
500MHz
250MHz
SMALL-SIGNAL FREQUENCY RESPONSE
N
G = +1
G = –1
G = +2
8
7
6
5
4
3
2
1
0
–1
–2
Frequency (25MHz/div)
0
250
125
LARGE-SIGNAL FREQUENCY RESPONSE
G
R
L
= 100
to 2.5V
V
O
= 0.5Vp-p
V
O
= 1Vp-p
V
O
= 2Vp-p
15
12
9
6
3
0
–3
–6
–9
–12
–15
FREQUENCY RESPONSE vs CAPACITIVE LOAD
Frequency (20MHz/div)
0
200MHz
100MHz
G
C
L
= 22pF
C
L
= 10pF
C
L
= 47pF
C
L
= 100pF
OPA3682
400
400
57.6
806
806
1k
V
IN
+5V
0.1
μ
F
V
O
R
S
(1k
is optional)
C
L
0.1
μ
F
2.10
2.9
2.8
2.7
2.6
2.5
2.4
2.3
2.2
2.1
2.0
SMALL-SIGNAL PULSE RESPONSE
Time (5ns/div)
O
V
O
= 0.5Vp-p
4.5
4.1
3.7
3.3
2.9
2.5
2.1
1.7
1.3
0.9
0.5
LARGE-SIGNAL PULSE RESPONSE
Time (5ns/div)
O
V
O
= 2Vp-p
70
60
50
40
30
20
10
0
RECOMMENDED R
S
vs CAPACITIVE LOAD
Capacitive Load (pF)
1
10
100
R
S
)
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