LM4855LQ National Semiconductor, LM4855LQ Datasheet - Page 7

• Manufacturer Part Number: LM4855LQ
• Description: Boomer AUDIO POWER AMPLIFIER Integrated Audio Amplifier System
• Manufacturer: National Semiconductor

External Components Description
Typical Performance Characteristics
Components
1.
2.
3.
C
C
C
IN
S
B
This is the input coupling capacitor. It blocks the DC voltage and couples the input signal to the amplifier’s
input terminals. C
1/(2πR
This is the supply bypass capacitor. It filters the supply voltage applied to the V
the LM4855’s PSRR.
This is the BYPASS pin capacitor. It filters the V
THD+N vs Frequency
THD+N vs Frequency
LM4855LQ
i
C
IN
).
IN
also creates a highpass filter with the internal resistor R
200395B1
200395F0
Functional Description
7
DD
/ 2 voltage and helps maintain the LM4855’s PSRR.
THD+N vs Frequency
THD+N vs Frequency
LM4855LQ
i
(Input Impedance) at f
DD
pin and helps maintain
200395B2
200395F1
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