Mitsubishi M62444FP Datasheet

M62444FP

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DESCRIPTION

The M62444FP is 4 channels electric volume with trimmer controlled 3-wire serial
data.
The IC is suitable for use in home-use audio systems and TV sets.

SYSTEM BLOCK DIAGRAM

MITSUBISHI SOUND PROCESSORS

4CH ELECTRIC VOLUME WITH TRIMMER

FEATURES

Electric volume(Master volume)

•Volume level ••••• 0dB to –80dB, –∞dB (32steps)
Electric volume(trimmer volume)

•Volume level •••••• 0dB to –24dB (1dB/step)
2 channels bass boost(loudness type)
6 Output ports
Built-in microcomputer interface circuit controlled
by 8-bit serial data.

APPLICATION

DVD,Home Audio equipment,TV

RECOMMENDED OPERATING CONDITIONS

Supply voltage range •••• ±4.5 to ±7.3V (analog)

4.5 to 5.5V (digital)
Rated supply voltage •••• ±7.0V (analog)

5.0V (digital)

PACKAGE

Outline

42P2R

trimmer

L in
R in

C in

SW in

D-62444-86A

volume

trimmer
volume

µ–com
interface

MITSUBISHI
ELECTRIC

bass
boost

CLKDATALATCH

master
volume

master
volume

L out
R out

C out

SW out

1

M62444FP

MITSUBISHI SOUND PROCESSORS

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4CH ELECTRIC VOLUME WITH TRIMMER

PIN CONFIGURATION AND IC INTERNAL BLOCK DIAGRAM

TIN1
TNF1

TOUT1

VIN1
VNF1

VOUT1

GND1
TIN2
TNF2

TOUT2

VIN2
VNF2

1
2

3
4

5
6
7
8

9

10
11
12

42

41
40
39

38
37
36

35
34

33
32

31

AVDD
TIN3

TNF3
TOUT3

VIN3
BB3
VNF3
VOUT3
GND2
GND3

TIN4
TNF4

VOUT2

DGND

DATA
LATCH
CLOCK

DVDD
PORT1
PORT2
PORT3

13
14
15

16
17

18

19
20

21

MCU

I/F

MITSUBISHI
ELECTRIC

30
29

28

27

26
25

24
23

22

TOUT4
VIN4

BB4
VNF4
VOUT4
AVSS

PORT6
PORT5

PORT4

2

M62444FP

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Parameter

Conditions

Ratings

Unit

Power dissipation

Operating temperature

Storage temperature

Thermal derating

Supply Voltage

AMBIENT TEMPERATURE Ta [°C]

ABSOLUTE MAXIMUM RATINGS

Symbol

MITSUBISHI SOUND PROCESSORS

4CH ELECTRIC VOLUME WITH TRIMMER

Vsupply

Pd

K

Topr

Tstg

1.5

AVDD-AVSS

Ta ≤ 25°C

Ta > 25°C

THERMAL DERATING
(MAXIMUM RATING)

16

1000

10 mW/ °C

-20 to +65

-40 to ±125

V

mW

°C

°C

1.0

0.6

0.5

0

0

25 50 75 100

MITSUBISHI
ELECTRIC

65

125

150

3

M62444FP

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RECOMMENDED OPERATING CONDITION

supply voltage

supply voltage

Voltage

Low-level Input
Voltage

Output port
maximum current

Symbol

Condition

Unit

( Ta=25°C, unless otherwise noted )

MITSUBISHI SOUND PROCESSORS

4CH ELECTRIC VOLUME WITH TRIMMER

Parameter

Positive

AVDD 7.34.5 7.0
DVDD 4.5 5.0 5.5

Negative

High-level Input

AVSS

VIH

VIL

IOH

"H" level

(note) AVSS ≤ DGND < DVDD ≤ AVDD

MIN TYP MAX

-7.3 -7.0 -4.5

(DVDD/2)+1

DGND V

DVDD

(DVDD/2)-1

3

V

V

V

mA

DATA TIMING (Recommended conditions)

H

DATA

L

H

CLOLK

L

H

LATCH

L

note : CLOCK and LATCH function at raising edges of pulse .

MITSUBISHI
ELECTRIC

D7D6D1D0

D0

4