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LM4755 Datasheet(PDF) 5 Page - National Semiconductor (TI)

[Old version datasheet] Texas Instruments acquired National semiconductor. Click here to check the latest version.
Part No. LM4755
Description  Stereo 11W Audio Power Amplifier with Mute
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Manufacturer  NSC [National Semiconductor (TI)]
Direct Link  http://www.national.com
Logo NSC - National Semiconductor (TI)

LM4755 Datasheet(HTML) 5 Page - National Semiconductor (TI)

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System Application Circuit
External Components Description
Components
Function Description
1, 2
C
S
Provides power supply filtering and bypassing.
3, 4
R
SN
Works with C
SN to stabilize the output stage from high frequency oscillations.
5, 6
C
SN
Works with R
SN to stabilize the output stage from high frequency oscillations.
7C
b
Provides filtering for the internally generated half-supply bias generator.
8, 9
C
i
Input AC coupling capacitor which blocks DC voltage at the amplifier’s input terminals. Also creates a
high pass filter with fc=1/(2
π • Rin • Cin).
10, 11
C
o
Output AC coupling capacitor which blocks DC voltage at the amplifier’s output terminal. Creates a high
pass filter with fc=1/(2
π • Rout • Cout).
12, 13
R
i
Voltage control - limits the voltage level allowed to the amplifier’s input terminals.
14
R
m
Works with C
m to provide mute function timing.
15
C
m
Works with R
m to provide mute function timing.
DS100059-5
FIGURE 3. Circuit for External Components Description
www.national.com
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