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參數(shù)資料
| 型號： | OPA644 |
| 廠商： | Texas Instruments, Inc. |
| 英文描述： | Low Distortion Current Feedback Operational Amplifier(低失真電流反饋運算放大器) |
| 中文描述： | 低失真電流反饋運算放大器（低失真電流反饋運算放大器） |
| 文件頁數(shù)： | 6/13頁 |
| 文件大?。?/td> | 143K |
| 代理商： | OPA644 |
OPA644
6
LARGE SIGNAL TRANSIENT RESPONSE
(G = +2, R
L
= 100
)
Time (5ns/Div)
2.0
1.6
1.2
0.8
0.4
0
–0.4
–0.8
–1.2
–1.6
–2.0
V
FEEDBACK RESISTOR
vs GAIN FOR OPTIMUM BANDWIDTH
8
7
6
5
4
3
2
1
0
10
100
1k
50
500
Feedback Resistance (
)
N
G = +10V/V CLOSED-LOOP
SMALL SIGNAL BANDWIDTH
29
26
23
20
17
14
11
8
5
1M
10M
100M
1G
0
–45
–90
–135
Frequency (Hz)
G
P
Gain
Closed-Loop Phase
Bandwidth
= 144MHz
G = +5V/V CLOSED-LOOP
SMALL SIGNAL BANDWIDTH
20
17
14
11
8
5
2
1M
10M
100M
1G
0
–45
–90
–135
Frequency (Hz)
G
P
Gain
Closed-Loop Phase
Bandwidth
= 181MHz
G = +2V/V CLOSED-LOOP
SMALL SIGNAL BANDWIDTH
15
12
9
6
3
0
–3
–6
–9
–12
1M
10M
100M
1G
0
–45
–90
–135
–180
Frequency (Hz)
G
Gain
Closed-Loop Phase
Bandwidth
= 335MHz
G = +1V/V CLOSED-LOOP
SMALL SIGNAL BANDWIDTH
9
6
3
0
–3
–6
–9
–12
–15
–18
–21
1M
10M
100M
1G
10G
Frequency (Hz)
G
–180
–225
–270
–315
–360
P
Gain
Closed-Loop Phase
Bandwidth
= 558MHz
TYPICAL PERFORMANCE CURVES
(CONT)
At T
A
= +25
°
C, V
S
=
±
5V, R
L
= 100
, C
L
= 2pF, R
FB
= 402
and all four power supply pins are used, unless otherwise noted. R
FB
= 25
for a gain of +1.
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相關(guān)代理商/技術(shù)參數(shù) |
參數(shù)描述 |
|---|---|
| OPA644U | 制造商:Rochester Electronics LLC 功能描述:- Bulk |
| OPA644UB | 制造商:BB 制造商全稱:BB 功能描述:Low Distortion Current Feedback OPERATIONAL AMPLIFIER |
| OPA646 | 制造商:BB 制造商全稱:BB 功能描述:Low Power, Wide Bandwidth OPERATIONAL AMPLIFIER |
| OPA646 WAF | 制造商:Texas Instruments 功能描述: |
| OPA646U | 制造商:Rochester Electronics LLC 功能描述:- Bulk |
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