AKD4628A-B Datasheet, PDF (5/44 Pages) Asahi Kasei Microsystems – single chip CODEC that includes two channels of ADC and eight channels of DAC.

Analog input circuit
3.0Vpp
AK4628A
RIN 32
LIN 31
22u
330
Op-amp circuit
330 ^OP275GPZ
+
-
6.0Vpp
Signal
Same circuit
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.
[AKD4628A-B]
<KM084901>
-5-
2007/07