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參數(shù)資料
| 型號： | OPA3680U |
| 英文描述： | Triple, Wideband, Voltage-Feedback OPERATIONAL AMPLIFIER With Disable |
| 中文描述： | 三，寬帶，電壓反饋運算放大器，禁用 |
| 文件頁數(shù)： | 7/21頁 |
| 文件大?。?/td> | 225K |
| 代理商： | OPA3680U |
7
OPA3680
TYPICAL PERFORMANCE CURVES: V
S
=
±
5V
At T
A
= +25
°
C, G = +2, R
F
= 250
, and R
L
= 100
, unless otherwise noted. See Figure 1.
70
60
50
40
30
20
10
0
–10
–20
0
–30
–60
–90
–120
–150
–180
–210
–240
–270
OPEN-LOOP GAIN AND PHASE
Frequency (Hz)
10k
1G
100k
10M
1M
100M
O
O
Open-Loop Gain
Open-Loop Phase
100
90
80
70
60
50
40
30
20
10
0
CMRR AND PSRR vs FREQUENCY
Frequency (Hz)
10k
100M
100k
1M
10M
P
C
–PSRR
+PSRR
CMRR
12
9
6
3
0
–3
–6
–9
–12
–15
–18
FREQUENCY RESPONSE vs CAPACITIVE LOAD
Frequency (20MHz/div)
0
200MHz
100MHz
G
OP1/3
R
S
V
IN
250
V
O
C
L
1k
250
250
1k
is optional
Signal Gain = +2
Noise Gain = +3
22pF/32.4
10pF/22.2
47pF/26.7
100pF/20
35
30
25
20
15
10
5
0
RECOMMENDED R
S
vs CAPACITIVE LOAD
Capacitive Load (pF)
10
100
R
S
)
–40
–50
–60
–70
–80
–90
TWO-TONE, 3rd-ORDER SPURIOUS LEVEL
Single-Tone Load Power (dBm)
–8
–6
–4
–2
0
2
4
6
8
10
3
50MHz
20MHz
10MHz
Load Power at matched 50
load
100
10
1
INPUT VOLTAGE AND CURRENT NOISE DENSITY
Frequency (Hz)
100
1k
10k
100k
1M
10M
V
√
H
C
√
H
Voltage Noise
Current Noise
2.5pA/
√
Hz
4.8nV/
√
Hz
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