M62431 데이터 시트보기 (PDF) - MITSUBISHI ELECTRIC

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M62431

7-ELEMENT GRAPHIC EQUALIZER WITH MICROCOMPUTER INTERFACE

MITSUBISHI ELECTRIC  

MITSUBISHI SOUND PROCESSOR ICs

M62431FP

7-ELEMENT GRAPHIC EQUALIZER WITH MICROCOMPUTER INTERFACE

TYPICAL CHARACTERISTICS

THERMAL DERATING (MAXIMUM RATING)

1.5

1.0

650mW

0.5

(Note 1) Standard board

Size of printed circuit board

70mm X 70mm

Thickness of printed circuit board

1.6mm

Material of printed circuit board

Glass epoxy

Single-side Cu pattern

Thickness of Cu

18µm

Size of Cu pattern

0.25mm (Width) X 25mm (length)/lead

0

0

25 50 60 75 100 125 150

AMBIENT TEMPERATURE Ta (˚C)

FUNCTION DESCRIPTION

(1)Tone control circuit block

FR

R3

C1

C1

FO

R1

L

C2

FI

R1

R2

Fig.1 Resonance circuit

Center frequency

fo=1/2π C1•C2•R1•R2 [Hz]

Q= C2•(R1•R2) / C1•(R1+R3)2

(Example) In mid-band (f=1kHz)

R1=2kΩ, R2=68kΩ

C1=3900pF, C2=0.047µF

Fig.2 Equivalent circuit using L

Figure 1 is equivalent to Figure 2. Part constants are converted by

the below expression.

L=C2•R1•R2

MITSUBISHI

ELECTRIC

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