LM4811 查看數據表（PDF） - Unisonic Technologies
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LM4811
Unisonic Technologies
LM4811 Datasheet PDF : 9 Pages
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LM4811
Preliminary
CMOS IC
EXTERNAL COMPONENTS DESCRIPTION
PIN NO.
1
2
3
4
PIN NAME
CI
CS
CB
CO
DESCRIPTION
This is the input coupling capacitor. It blocks the DC voltage at, and couples the input
signal to, the amplifier’s input terminals. C also creates a highpass filter with the internal
input resistor, RI, at fC =1/(2πRICI). The minimum value of RI is 33kΩ. Refer to the
section, Proper Selection of External Components, for an explanation of how to
determine the value of CI.
This is the supply bypass capacitor. It provides power supply filtering. Refer to the
Application Information section for proper placement and selection of the supply
bypass capacitor.
This is the BYPASS pin capacitor. It provides half-supply filtering. Refer to the section,
Proper Selection of External Components, for information concerning proper
placement and selection of CB.
This is the output coupling capacitor. It blocks the DC voltage at the amplifier’s output
and it forms a high pass filter with RL at fO = 1/(2πRLCo )
UTC assumes no responsibility for equipment failures that result from using products at values that
exceed, even momentarily, rated values (such as maximum ratings, operating condition ranges, or
other parameters) listed in products specifications of any and all UTC products described or contained
herein. UTC products are not designed for use in life support appliances, devices or systems where
malfunction of these products can be reasonably expected to result in personal injury. Reproduction in
whole or in part is prohibited without the prior written consent of the copyright owner. The information
presented in this document does not form part of any quotation or contract, is believed to be accurate
and reliable and may be changed without notice.
UNISONIC TECHNOLOGIES CO., LTD
www.unisonic.com.tw
9 of 9
QW-R502-560.a
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