M62498AFP Datasheet, PDF (15/17 Pages) Mitsubishi Electric Semiconductor – DIGITAL SOUND CONTROLLER WITH SURROUND

MITSUBISHI SOUND PROCESSORS
M62498AFP
DIGITAL SOUND CONTROLLER WITH SURROUND
(5) LOUDNESS
This IC built-in a center tap -type loudness circuit.
A VOL input
selector
0dB~ -16dB:
2dB step
Tone
&
Surround
block
LOUDNESS
SW
LOUD1,2
11,32pin
LOUDNESS PART
(6)Equivalent circuit of surround block
VSELB OUT1,2
17,26pin _{VOL IN1,2}
+
18,25pin
-
B VOL input
selector
VOL OUT1,2
19,24pin
+-
0dB~ -28dB:2dB step
-28dB~ -60dB:4dB step
-61dB~ -64dB:1dB step
5k
5k
Ch2
Out2
1k
5k
200k
1µ
10k
5k
external parts
5k
200k
Out1
Ch1
5k
5k
MITSUBISHI
ELECTRIC
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