Datasheet M62444FP Datasheet (Mitsubishi)

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

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ELECTRIC

bass
boost

CLKDATALATCH

master
volume

master
volume

L out
R out

C out

SW out

1

M62444FP

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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

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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 .

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ELECTRIC

D7D6D1D0

D0

4

M62444FP

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WHCtWLCtSDtHD

CLOCK, DATA,LATCH TIMING

Parameter

MITSUBISHI SOUND PROCESSORS

4CH ELECTRIC VOLUME WITH TRIMMER

tcr

CLOLK

DATA

LATCH

75%

25%

tr tf

t

75%

25%

tr

tSL

tf

tr

tWHC

tf

75%

25%

DIGITAL BLOCK TIMING REGULATION

Symbol

t
t

t
t

t
t

t
t
t

cr
WHC

WLC
r
f
SD
HD

SL

CLOCK cycle time
CLOCK pulse width ("H"level)

CLOCK pulse width ("L"level)
CLOCK,DATA,LATCH rise time

CLOCK,DATA,LATCH fall time
DATA setup time
DATA hold time
LATCH setup time
LATCH pulse width

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ELECTRIC

Min

8

3.2

3.2

1.6

1.6
2

3.2WHL

Limits

typ

Max

0.8

0.8

Unit

µs

5

M62444FP

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0

0

0

0

0

1

0

1

0

0

1

1

1

0

1

1

(When the IC is powered up , the internal settings are not fixed.)

4CH ELECTRIC VOLUME WITH TRIMMER

DIGITAL CONTROL SPECIFICATION

Fore kinds of input format options are available by changing slot settings of D6 and D7.

(1)

(2)

(3)

(4)

D01 D11 D21 D31 D41 D51 D61 D71

TRIMMER VOLUME 1

D02 D12 D22 D32 D42 D52 D62 D72

TRIMMER VOLUME 2

D03 D13 D23 D33 D43 D53 D63 D73

TRIMMER VOLUME 3

D04 D14 D24 D34 D44 D54 D64 D74

(5)

(6)

TRIMMER VOLUME 4

D05 D15 D25 D35 D45 D55 D65 D75

BASS BOOST
(LOUDNESS)

MASTER VOLUME

D06 D16 D26 D36 D46 D56 D66 D76

OUTPUT
PORT 1

1 : H
0 : L

OUTPUT
PORT 2

1 : H
0 : L

OUTPUT
PORT 3

1 : H
0 : L

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ELECTRIC

OUTPUT
PORT 4

1 : H
0 : L

OUTPUT
PORT 5

1 : H
0 : L

1 : ON
0 : OFF

OUTPUT
PORT 6

1 : H
0 : L

6

M62444FP

MITSUBISHI SOUND PROCESSORS

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D1X000D2X

D3X0100010000

0

00100

10100

11100

000101001

0

01010

1101000110101100111

111

100

0

11000001100

D4X

D15

000

D25

D35

0

100010000

0

0010010100111000001

0

10010

01010

11010

001101011

0

011

1

111

100

00001

100010100

1

11001

00101

10101

011011110

1110000

011000001

1

001

1

001

1

0110011

011

011

1

1

D45

111

1

111

1

1

1

1

1

– 1dB

– 2dB

– 3dB

– 4dB

– 5dB

– 6dB

– 7dB

– 8dB

– 9dB

– 10dB

– 11dB

– 12dB

– 13dB

– 14dB

– 15dB

– 16dB

– 18dB

– 21dB

– 8dB

– 14dB

– 22dB

– 36dB

– 44dB

– 60dB

4CH ELECTRIC VOLUME WITH TRIMMER

SETTING CODE

TRIMMER VOLUME 1 to 4

Note : Do not input other data
than the above.

ATT

– 0dB

– 17dB
– 19dB

– 20dB
– 22dB

– 23dB
– 24dB

D0X

0 0 0 1
1 0 0 0 1
0 1 0 0 1
1 1 0 0 1
0 0 1 0 1
1 0 1 0 1
0 1 1 0 1
1 1 1 0 1
0 0 0 1 1

MASTER VOLUME

Note : Do not input other data
than the above.

ATT

– 0dB
– 2dB

– 4dB
– 6dB

– 10dB
– 12dB

– 16dB
– 18dB
– 20dB

– 24dB
– 26dB
– 28dB

– 30dB
– 32dB
– 34dB

– 38dB
– 40dB

– 48dB
– 52dB
– 56dB

D05

– 64dB
– 68dB
– 72dB

– 76dB
– 80dB

– ∞

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ELECTRIC

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M62444FP

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AIss

DIdd

Current at pin 18

MIN

30mA-30

mA

Current at pin 42

Current at pin 25

4.0

Vrms

3.0

RL=10KΩ,THD=1%

THD

Vno0

ATTmax

Gv

CT

0

dB

µVrms

%dB3.0

0.05

0.003

-60

15

IOH

mA

2.0

-2.0

40

-40

-86

-97

1.0

mA

dB

DVOL

0

dB

1.5

-1.5

Vo=0.5Vrms,f=100Hz
TRIMMER VOL=0dB,MASTER VOL=-26dB
Bass boost=OFF ON
41,32pin INPUT 35,26pin OUTPUT

11

157dB

Vno∞

µVrms

2.5

7.5

-95

V

5.5

(1) Power supply characteristics

ELECTRICAL CHARACTERISTICS

Symbol

Parameter

Test condition

Symbol

Parameter

Test condition

circuit current

Digital circuit current

circuit current

No signal

No signal

Distortion

Crosstalk between channels

between channels

Maximum attenuation

Output noise voltage

Bass boost gain

OUTPUT PORT "H" current

MITSUBISHI SOUND PROCESSORS

4CH ELECTRIC VOLUME WITH TRIMMER

( Ta=25°C, AVDD=7.0V, AVSS=-7.0V, DVDD=5.0V,
f=1kHz, TRIMMER/MASTER VOLUME=0dB, Post

Amp.gain=0dB, unless otherwise noted. )

Analog positive

Analog negaitive

AIdd

(2) Input / Output characteristics

Maximum output voltage

Pass gain

Vomax

AVDD=7.0V, AVSS= -7.0V

AVDD=7.0V, AVSS= -7.0V

DVDD= 5V

No signal

6,13,35,26pin OUTPUT

Vin=1Vrms,FLAT,
1,8,41,32pin INPUT

6,13,35,26pin OUTPUT

MIN

Limits

TYP

0.1

Limits

TYP

MAX

1.0

MAX

Unit

Unit

Volume gain

6,13,35,26pin OUTPUT
Vi=0.2Vrms,RL=10KΩ,

BW=400 to 30kHz
6,13,35,26pin OUTPUT

No signal,JIS-A
Rg=0Ω,VOL=0dB

6,13,35,26pin OUTPUT
No signal,JIS-A
Rg=0Ω,VOL=-∞

6,13,35,26pin OUTPUT
JIS-A

Rg=1kΩ,TRIMMER VOL=0dB
6,13,35,26pin OUTPUT

Vo=0.5Vrms,RL=10KΩ,JIS-A
Rg=1kΩ

Gvbb

VOH=6.5V,AVDD=7V

OUTPUT PORT "H" voltage

VOH

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ELECTRIC

IOH=3mA,AVDD=7V

8

M62444FP

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Gv=20 Log

ZL / / 57K

11.7K + ZL / / 57K

Gv=20 Log

57K

11.7K + 57K

Gv=20 Log

11.7K + 3.08K / / 57K

= – 26dB

3.08K / / 57K

3.08K

CL

12.6K

57K

5.97K

11.7K

ZL

(

)()

-12dB

(

)

1.6K

3.57K

55.8K

FUNCTION DESCRIPTION

12.6K + 5.97K/ / ( 11.7K + ZL / / 57K)

12.6K + 5.97K/ / ( 11.7K + 57K)

12.6K + 5.97K/ / ( 11.7K + 3.08K / / 57K)

Bass Boost Equivalent Circuit

RL=

MITSUBISHI SOUND PROCESSORS

4CH ELECTRIC VOLUME WITH TRIMMER

Bass Boost loudness Equivalent Circuit (Center Tup Type)

Regard "RL+ " as "ZL"

1

wCL

Next formula show the frequency characteristic.

5.97K/ / ( 11.7K + ZL / / 57K)

When a frequency is enough low ,

5.97K/ / ( 11.7K + 57K)

When a frequency is enough high ,

5.97K/ / ( 11.7K + 3.08K / / 57K)

= – 11.9dB

0=16.8K • CL

w

f=100Hz CL=0.1µF

-26dB

100Hz

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ELECTRIC

VOL-26dB

frequency

9

M62444FP

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(32steps)

(25steps)

IN4

OUT4

(32steps)

VOLUME 1

IN2

OUT2

INPUT impedance

25kΩ(TYP)

SYSTEM DIAGRAM

IN1

-

TRIMMER VOLUME 1

0dB to – 24dB
(25steps)

MITSUBISHI SOUND PROCESSORS

4CH ELECTRIC VOLUME WITH TRIMMER

OUT1

-

MASTER

0dB to –∞

INPUT impedance
25kΩ (TYP)

IN3

OUTPUT PORT

-

TRIMMER
VOLUME 3

0dB to – 24dB

OFF:Bass boost ON
ON :Normal

AVDD

-

OUT3

MASTER
VOLUME 1

0dB to – ∞

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ELECTRIC

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M62444FP

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IN4

IN2

-7V

V

OUT1

OUT2

OUT3

OUT4

3.3µ

3.3µ

3.3µ

3.3µ

APPLICATION EXAMPLE

MITSUBISHI SOUND PROCESSORS

4CH ELECTRIC VOLUME WITH TRIMMER

IN1

3.3µ

3.3µ

3.3µ

3.3µ

1
2

3
4

5
6
7
8

9

10
11
12

13
14

42

41
40
39

38
37
36

35
34

33
32

31
30

29

+7

IN3

0.1µ

3.3µ

3.3µ

3.3µ

5V

22kΩ

22kΩ

22kΩ

MCU

15
16

17
18

19
20

21

MCU

I/F

MITSUBISHI
ELECTRIC

28

27
26

25
24

23

22

0.1µ

3.3µ

22kΩ

22kΩ

22kΩ

11