AK4633 Datasheet, PDF (4/82 Pages) Asahi Kasei Microsystems – 16-Bit Mono CODEC with ALC & MIC/SPK-AMP

ASAHI KASEI
[AK4633]
„ Interchange with AK4631
1. Function
Function
AK4631
AK4633
AVDD
2.6V ∼ 3.6V
2.2V ∼ 3.6V
DVDD
SVDD
2.6V ∼ 3.6V
2.6V ∼ 5.25V
1.6V ∼ 3.6V
2.2V ∼ 4.0V
MIC Input
Single-end
Single-end / differential
MIC Power Output Voltage
0.75 x AVDD
0.8 x AVDD
MIC-Amp
0dB/+20dB/+26dB/+32dB
0dB/+6dB/+10dB/+14dB
+17dB/+20dB/+26dB/+32dB
HPF for Wind Noise Reduction
No
Yes
Notch Filter
No
Yes
ALC for Input Signal
Input Volume
Analog ALC
+27.5dB ∼ -8dB, 0.5dB Step
Digital ALC (Note 1)
+36dB ∼ -54dB, 0.375dB Step
(Note 1)
ALC for Output Signal
Speaker-Amp block
Digital Block (Note 1)
Output Volume
+12dB ∼ -115dB, 0.5dB Step
+36dB ∼ -54dB, 0.375dB Step
(Note 1)
Maximum Output for SPK-Amp
(using Piezo Speaker)
8.5Vpp@SVDD=5V
6.33Vpp@SVDD=3.8V
MCKI Pull-down Resistance
Yes
No (Delete MCKPD bit )
Package
28pin QFN 5.2mm x 5.2mm
41pin BGA 4.0mm x 4.0mm
24pin QFN 4.0mm x 4.0mm
Note 1. ALC and Volume circuits are shared by input and output. Therefore, it is impossible to use ALC and Volume
function at same time for both recording and playback mode.
MS0447-E-03
-4-
2006/04