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參數(shù)資料
| 型號(hào)： | AD746 |
| 廠商： | Analog Devices, Inc. |
| 英文描述： | Dual Precision, 500 ns Settling, BiFET Op Amp(超低噪音,高速BiFET雙運(yùn)算放大器) |
| 中文描述： | 雙精度，500納秒的建立，BiFET運(yùn)算放大器（超低噪音，高速BiFET雙運(yùn)算放大器） |
| 文件頁(yè)數(shù)： | 6/8頁(yè) |
| 文件大小： | 433K |
| 代理商： | AD746 |
AD746
–6–
REV. B
POWER SUPPLY BYPASSING
The power supply connections to the AD746 must maintain a
low impedance to ground over a bandwidth of 13 MHz or more.
This is especially important when driving a significant resistive
or capacitive load, since all current delivered to the load comes
from the power supplies. Multiple high quality bypass capacitors
are recommended for each power supply line in any critical
application. A 0.1
μ
F ceramic and a 1
μ
F tantalum capacitor as
shown in Figure 20 placed as close as possible to the amplifier
(with short lead lengths to power supply common) will assure
adequate high frequency bypassing, in most applications. A
minimum bypass capacitance of 0.1
μ
F should be used for any
application.
If only one of the two amplifiers inside the AD746 is to be
utilized, the unused amplifier should be connected as shown in
Figure 21a. Note that the noninverting input should be
grounded and that R
L
and C
L
are not required.
Figure 19. THD Test Circuit
Figure 22a. Unity Gain Inverter
Figure 21a. Gain of 2 Follower
Figure 21b. Gain of 2 Follower
Large Signal Pulse Response
Figure 21c. Gain of 2 Follower
Small Signal Pulse Response
Figure 22b. Unity Gain Inverter
Large Signal Pulse Response
Figure 22c. Unity Gain Inverter
Small Signal Pulse Response
Figure 20. Power Supply
Bypassing
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