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LM4855 Datasheet(PDF) 7 Page - National Semiconductor (TI)

[Old version datasheet] Texas Instruments acquired National semiconductor. Click here to check the latest version.
Part # LM4855
Description  Boomer AUDIO POWER AMPLIFIER Integrated Audio Amplifier System
PDF  24 Pages
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Manufacturer  NSC [National Semiconductor (TI)]
Direct Link  http://www.national.com
Logo NSC - National Semiconductor (TI)

LM4855 Datasheet(HTML) 7 Page - National Semiconductor (TI)

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External Components Description
Components
Functional Description
1.
C
IN
This is the input coupling capacitor. It blocks the DC voltage and couples the input signal to the amplifier’s
input terminals. C
IN also creates a highpass filter with the internal resistor Ri (Input Impedance) at fc =
1/(2
πR
iCIN).
2.
C
S
This is the supply bypass capacitor. It filters the supply voltage applied to the V
DD pin and helps maintain
the LM4855’s PSRR.
3.
C
B
This is the BYPASS pin capacitor. It filters the V
DD / 2 voltage and helps maintain the LM4855’s PSRR.
Typical Performance Characteristics
THD+N vs Frequency
LM4855LQ
THD+N vs Frequency
LM4855LQ
200395F0
200395F1
THD+N vs Frequency
THD+N vs Frequency
200395B1
200395B2
www.national.com
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