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M62464BFP

Dolby Pro Logic Surround Decoder with Discrete 5.1ch Analog Input

Mitsumi 

MITSUBISHI SOUND PROCESSOR ICs

M62464BFP

Dolby Pro Logic Surround Decoder

with Discrete 5.1ch Analog Input

ELECTRICAL CHARACTERISTICS

(Ta=25 C, Vcc=9V, VDD=5V, 0dBd=300mVrms, at COUT, f=1kHz unless otherwise noted)

Symbol

Parameter

Test condition

Limits

Min.

Typ.

Max.

Total

Icc

Circuit current

IDD

Circuit current

No signal

No signal

30

45

15

25

Auto-Balance

CPR

Capture range

5

CER

Error collection

4

Adaptive Matrix

∆VoL

Output level accuracy relative to Cch L,R,S'ch output

MR

Matrix rejection

L,R,C,S'ch output

HRAM Head room

THD=1%, L,R,Cch output

THDAM Total harmonic distortion L,R,Cch output, 30kHz LPF

SNAM

S/N ratio

Rg=0Ω,weighted CCIR/ARM

Noise Sequencer

-0.5

0

0.5

25

40

15

17

0.05 0.2

70

80

Vno

∆Vno

Output noise level

Noise level accuracy relative to Cch

L,R,C,S'ch output

L,R,S'ch output

-15 -12.5 -10

-0.5

0

0.5

Modified B-type Noise Reduction (0dB reference is 300mVrms/100Hz at SOUT)

VGNR

DEC1

DEC2

DEC3

THDNR

HRNR

SNNR

Gain between input and output Vin=0dBd,f=100Hz

3.8

Decode character 1

Vin=0dBd,f=1.0kHz

-1.6

Decode character 2

Vin=-15dBd,f=1.4kHz

-3.0

Decode character 3

Vin=-40dBd,f=5.0kHz

-6.8

Total harmonic distortion Vin=0dBd,f=1kHz,30kHz LPF

Head room

THD=1%

15

S/N ratio

Rg=0Ω,weighted CCIR/ARM

68

6.8 9.8

-0.1 1.4

-1.5

0

-5.3 -3.8

0.07 0.3

17

78

Cch/SLch/SRch/SWch Master Volume

ATTmax Maximum attenuation ATT=-∞,Vi=2Vrms

-95

-87

ATTmin Minimum attenuation ATT=0dB,TRIM=0dB

-3.0

0

3.0

VOLS1 Volume step1

ATT=0 to -40dB,TRIM=0dB

0.5

1.0

1.5

VOLS2 Volume step2

ATT=-40 to -76dB,TRIM=0dB 0.2

1.0

1.8

SNVOL S/N ratio

ATT=-∞,CCIR/ARM

85

95

Cch/SLch/SRch/SWch Trimmer

TRIMmax Maximum attenuation

TRIM=-31dB,VOLATT=0dB -34

-31

-28

TRIMmin

TRIMS

Minimum attenuation

Teimmer step

Line(Bypass)

TRIM=0dB,VOLATT=0dB

VOLATT=0dB

-3.0

0

3.0

0.6

1.0

1.4

THDLN Total harmonic distortion 30kHz LPF

0.002 0.05

SNLN

CTLN

Zi

S/N ratio

Line cross-talk

Input impedance

DIN-AUDIO

95

100

70

80

11

22

44

Units

mA

mA

dB

dB

dB

dB

dB

%

dB

dB

dB

dB

dB

%

dB

dB

dB

dB

dB

dB

dB

dB

dB

dB

%

dB

dB

kΩ

MITSUBISHI

ELECTRIC

6

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