Supply voltage range••••Vcc=6 to 9V Rated supply voltage••••Vcc=8V
VDD=4 to 6V VDD=5V
Block Diagram
ELECTRIC
MITSUBISHI
M62435FP
ELECTRIC VOLUME CONTROL WITH TONE
CONTROLLER FOR 4-SPEAKER APPLICATIONS
MITSUBISHI SOUND PROCESSOR
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
Outline 36P2R
(1/10)
Built-in zero cross detector prevents click noise
Differential Amplifier
Loudness
Tone Control Bass/Mid/Treble
Master Volume/Fader Volume
Serial Data Control
PRELIMINARY
Notice ; This is not a final specification.
some parametric limits are subject to change.
Description
Features
Recommended Operating Conditions
Lch
Front
DEFN
IN2
DEFP
IN2
LchIN
RchIN
DEFN
IN1
DEFP
IN1
Differential
Amplifier
Differential
Amplifier
Mixing
Amp
Mixing
Amp
Volume
&
Loudness
Bass
Mid
Treble
Zero cross
Detector
Zero cross
Detector
Bass
Mid
Treble
Fader
Rear
µ-com Interface
Front
Fader
Rear
Rch
MCU
N.C.
VDD
FROUT
RROUT
1µ
0.01µ
Outside Harmonic
parts for MID
6.8K
19
20
21
26 25
27
28
VDD
(DIGITAL)
I/F
Vcc
200K
TIMER
DETECTOR
-
+
-
+
-
+
-
+
GND
18
16 17
15
14
12 13
11
9 10
0.22µ
1µ
0.01µ
Outside Harmonic
6.8K
FROUT
RROUT
ON
Loudness OFF
parts for MID
OFF
Loudness ON
OFF
ON
29
0.068µ 0.068µ
1.6K
0.22µ
820p
10K
2.2µ
LOUDNESS SW
30 2224 23
31
B
A
ZERO CROSS
32
22K
33
DIFFERENTIAL
RD
CD
TV
TAPE
VCR
VCC
AMPLIFIER SW
3435
36
VCC
(ANALOG)
56K
22K
56K
Pin Configuration & Application Example
ZERO CROSS
DETECTOR
DETECTOR
56K
LOUDNESS SW
A
22K
DIFFERENTIAL
AMPLIFIER SW
22K
56K
REF
8
0.068µ 0.068µ
B
71
6
1.6K
10K 820p
2.2µ
SW A
SW B
0.22µ
5
43
TV
RD
CD
47K
VCR
TAPE
2
47K
MITSUBISHI
ELECTRIC
10µ
(2/10)
Pin Description
Pin No.
1
2
3
4
5
6
7
8
9
10
11
12
Symbol
REF
DEFP IN1
DEFN IN1
MIX IN1
MIX OUT1
VOL IN1
LOUD IN1
BASSA1
BASSB1
MID1
TRE1
TONE OUT1
Function
IC signal ground. Apply 1/2 Vcc
Differential amplifier input +
Differential amplifier input Mixing amplifier input -
Mixing amplifier input +
Input pin of the volume block
Pin for setting the frequency characteristics
of the loudness block
Pin for setting the frequency characteristics
of the tone(Bass) block
R-ladder terminal of tone(Mid)
R-ladder terminal of tone(Treble)
Output pin of the tone block
13
14
15
16
17
18
FADER IN1
REAR OUT1
FRONT OUT1
GND
TIM1
DATA
Input pin of the fader volume
Output pin of the fader volume(Rear)
Output pin of the fader volume(Front)
Ground
Timer setting terminal
The relationship between outside parts
C and setting time is T=13.8X 10 •C(sec).
Input pin of the control data
This pin inputs data in synchronization with CLOCK
MITSUBISHI
ELECTRIC
4
(3/10)