Datasheet

SDR
SDL
G0
G1
INR-
INL-
INR+
INL+
OUTRA
OUTRB
OUTLA
OUTLB
V
DD
PV
DD
GND PGND
2.4V to 5.5V
H-BRIDGE
GAIN/
MODULATOR
H-BRIDGE
GAIN/
MODULATOR
OSCILLATOR
C
S1
C
S2
C
i
C
i
C
i
C
i
AUDIO
INPUT
AUDIO
INPUT
LM4674
SNAS344E –DECEMBER 2005–REVISED APRIL 2013 www.ti.com
TYPICAL APPLICATION
C
i
= 1 μF
C
S1
= 1 μF
C
S2
= 0.1 μF
Figure 1. Typical Audio Amplifier Application Circuit
EXTERNAL COMPONENTS DESCRIPTION
(Figure 1)
Components Functional Description
1. C
S
Supply bypass capacitor which provides power supply filtering. Refer to the AUDIO AMPLIFIER INPUT CAPACITOR
SELECTION section for information concerning proper placement and selection of the supply bypass capacitor.
2. C
i
Input AC coupling capacitor which blocks the DC voltage at the amplifier's input terminals.
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