M62490FP
Electric Volume Control with Tone Controller for 4-Speaker
Applications
REJ03F0213-0200
Rev.2.00
Sep 14, 2006
Description
•
Developed for car audio
•
Uses it for analog small signal handling of stage before power amplifier
•
Use to Home audio system, television are thought about other than car audio system
Features
•
•
•
•
•
•
Built-in zero cross detector prevents click noise
Differential Amplifier
Loudness
Tone Control Bass/Mid/Treble
Master Volume/Fader Volume
Serial Data Control
Recommended Operating Conditions
Supply voltage range: V
CC
= 6 to 9 V
V
DD
= 4 to 6 V
Rated supply voltage: V
CC
= 8 V
V
DD
= 5 V
Block Diagram
Lch
Front
DEFN
IN2
DEFP
IN2
LchIN
Fader
Differential
Amplifier
Mixing
Amp
Volume
&
Loudness
Mixing
Amp
Differential
Amplifier
Bass/
Mid/
Treble
Zero cross
Detector
µ-com
Interfase
Zero cross
Detector
Bass/
Mid/
Treble
Fader
Rear
Rch
Front
Rear
RchIN
DEFN
IN1
DEFP
IN1
Rev.2.00 Sep 14, 2006 page 1 of 10