CXA1646Q データシートの表示（PDF） - Sony Semiconductor

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コンポーネント説明

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CXA1646Q

Electronic Volume

Sony Semiconductor 

CXA1646Q/CXA1767Q

Setting Constants

• LOUD

The loudness function achieves the necessary frequency characteristics by passing through filter shown below.

The resistor is built in the IC so that fL and fH are set by selecting CLDLC and CLDHC.

I/fL = 2π CLDLCR1

I/fH = 2π CLDHCR2

CLDHC R2

7.97k

28k

13.2k

R1

5.28k

CLDLC

AGND

AGND

fH

fL

– 17 –

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