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CONFIDENTIAL – DO NOT COPY
Page 8-60
File No. SG-0184
3. Mode selection
In the L32 LCD TV TDA8946AJ has two functional modes, which can be selected by applying
the proper DC voltage to pin MODE.
a. Mute — In this mode the amplifier is DC-biased but not operational (no audio output).
This allows the input coupling capacitors to be charged to avoid pop-noise. The device is in
mute mode when 3.5 V < VMODE < (VCC 1.5 V).
b. Operating — In this mode the amplifier is operating normally. The operating mode is
activated at VMODE<1.0V.