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參數(shù)資料
| 型號： | AD8010 |
| 廠商： | Analog Devices, Inc. |
| 元件分類： | 運動控制電子 |
| 英文描述： | 200 mA Output Current High Speed Amplifier |
| 中文描述： | 200毫安輸出電流高速放大器 |
| 文件頁數(shù)： | 10/12頁 |
| 文件大小： | 164K |
| 代理商： | AD8010 |
AD8010
–10–
REV. A
Differential Line Driver
Twisted pair transmission lines are more often being used for
high frequency analog and digital signals. Over long distances,
however, the attenuation characteristics of these lines can
degrade the performance of the transmission system. To com-
pensate for this, larger signals are transmitted, which after the
attenuation, will still have useful signal strength.
The high output current of two AD8010s can be used along
with a transformer to create a high power differential line driver.
The differential configuration effectively doubles the output
swing, while the step-up transformer further increases the out-
put voltage.
In the circuit in Figure 31 the A device is configured as a gain-
of-two follower, while the B device is a gain-of-two inverter.
These will produce a differential output signal whose maximum
value is twice the peak-to-peak value of the maximum output of
one device. For this circuit a 12 V peak-to-peak output can be
obtained.
The op amps drive a 1:2 step-up transformer that drives a
100
transmission line. Since the impedance reflected back to
the primary varies as the square of the turns ratio, it will appear
as 25
at the primary. This source terminating resistor is split
as a 12.4
resistor at the output of each device.
The circuit shown is capable of delivering 12 V p-p to the line
and operates with a –3 dB bandwidth of 40 MHz. The peak
current output of either op amp is 100 mA.
Figure 31. High Output Differential Line Driver Using Two AD8010s.
NOTE: Please see Figure 29 for Recommended Bypassing Technique.
AD8010
V
IN
499
V
499
V
150
V
402
V
AD8010
150
V
806
V
12.4
V
12.4
V
+6
–6
1:2
100
V
相關PDF資料 |
PDF描述 |
|---|---|
| AD8010AN | 200 mA Output Current High Speed Amplifier |
| AD8010AR | 200 mA Output Current High Speed Amplifier |
| AD8010AR-REEL | 200 mA Output Current High Speed Amplifier |
| AD8010AR-REEL7 | 200 mA Output Current High Speed Amplifier |
| AD8010AR-16 | Smartcard Connector; Body Material:Thermoplastic; Contact Material:Tin Bronze; Series:C702A; Operating Temperature Range : C to C RoHS Compliant: Yes |
相關代理商/技術(shù)參數(shù) |
參數(shù)描述 |
|---|---|
| AD8010_2000 | 制造商:AD 制造商全稱:Analog Devices 功能描述:200 mA Output Current High-Speed Amplifier |
| AD80101 | 制造商:Analog Devices 功能描述: |
| AD80104 | 制造商:Analog Devices 功能描述:- Bulk |
| AD80104BSVZ | 制造商:Analog Devices 功能描述: |
| AD80106Z | 制造商:Rochester Electronics LLC 功能描述:- Bulk |
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