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參數(shù)資料
| 型號(hào)： | OP471 |
| 廠商： | Analog Devices, Inc. |
| 英文描述： | High Speed, Low Noise Quad Operational Amplifier |
| 中文描述： | 高速，低噪聲四運(yùn)算放大器 |
| 文件頁(yè)數(shù)： | 11/16頁(yè) |
| 文件大?。?/td> | 314K |
| 代理商： | OP471 |
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REV. A
OP471
–11–
High-Speed Differential Line Driver
The circuit of Figure 15 is a unique line driver widely used in
professional audio applications. With
±
18 V supplies, the line
driver can deliver a differential signal of 30 V p-p
into a 1.5 k
W
load. The output of the differential line driver looks exactly like
a transformer. Either output can be shorted to ground without
changing the circuit gain of 5, so the amplifier can easily be set
for inverting, noninverting, or differential operation. The line
driver can drive unbalanced loads, like a true transformer.
R2
5k
1/4
OP471E
+15V
–15V
R3
200
R1
50
V
IN
R5
5k
1/4
OP471E
R6
200
R4
50
R8
5k
1/4
OP471E
R9
200
R7
50
R11
5k
1/4
OP471E
R12
200
R10
50
V
OUT
= 100V
IN
Figure 13. Low-Noise Amplifier
High-Output Amplifier
The amplifier shown in Figure 16 is capable of driving 20 V p-p
into a floating 400
W
load. Design of the amplifier is based on a
bridge configuration. A1 amplifies the input signal and drives
the load with the help of A2. Amplifier A3 is a unity-gain inverter
which drives the load with help from A4. Gain of the high output
amplifier with the component values shown is 10, but can
easily be changed by varying R1 or R2.
N
10
0%
100
90
Figure 14. Noise Density of Low-Noise Amplifier, G = 100
R4
10k
1/4
OP471
R8
10k
R7
2k
R6
2k
R9
10k
1/4
OP471
R10
50
R2
2k
R3
2k
R5
10k
R14
1k
R12
1k
R13
10k
–OUT
+OUT
1/4
OP471
R1
10k
IN
R11
50
Figure 15. High-Speed Differential Line Driver
1/4
OP471E
A1
R1
1k
V
IN
C3
0.1 F
C4
+
–15V
C1
10 F
C2
0.1 F
+15V
R3
50
R2
9k
1/4
OP471E
A2
R4
50
R
L
R8
50
1/4
OP471E
A4
R7
50
R6
5k
R5
5k
1/4
OP471E
A3
+
Figure 16. High-Output Amplifier
相關(guān)PDF資料 |
PDF描述 |
|---|---|
| OP471FY | High Speed, Low Noise Quad Operational Amplifier |
| OP471GP | High Speed, Low Noise Quad Operational Amplifier |
| OP471GS | High Speed, Low Noise Quad Operational Amplifier |
| P-DSO-20 | integrated modulator-mixer for transmit path |
| P0102BL-5AA4 | 0.25A SCRs |
相關(guān)代理商/技術(shù)參數(shù) |
參數(shù)描述 |
|---|---|
| OP-471 | 制造商:AD 制造商全稱:Analog Devices 功能描述:HIGH SPEED, LOW NOISE QUAD OPERATIONAL AMPLIFIER |
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