AKD4628A-B datasheet(5/44 Pages) AKM

Part #	AKD4628A-B

Description	single chip CODEC that includes two channels of ADC and eight channels of DAC.

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Manufacturer	AKM [Asahi Kasei Microsystems]

Direct Link	http://www.akm.com

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5 / 44 page

[AKD4628A-B]

2007/07

-5-

Analog input circuit

AK4628A

Signal

22u

32

RIN

Same circuit

3.0Vpp

OP275GPZ

-

+

Op-amp circuit

31

LIN

6.0Vpp

330

1)

Gain

Gain of analog input circuit is

330/(330+330) = -6.02dB.

Therefore input level for this board is

+0.51dBV(=3.0Vpp)+6.02dB

= +6.53dBV = 6.00Vpp = 2.12Vrms.

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