ak4634 AKM Semiconductor, Inc., ak4634 Datasheet - Page 55

• Manufacturer Part Number: ak4634
• Description: 16-bit Mono Codec With Alc & Mic/spk-amp
• Manufacturer: AKM Semiconductor, Inc.

Rev. 0.5
Note 34. Sampling frequency is 8kHz, 16kHz, 32kHz or 48kHz.
Note 35. Sampling frequency is 11.025kHz, 22.05kHz or 44.1kHz.
Note 36. Power supply is 3.3V
Note 37. Beep output amplitude as 0dB setting is 4.4Vpp@ load resistance = 8Ω + 10µH, SVDD=3.3V
BPOFF7-0 bit
FDH
FEH
FFH
0H
1H
2H
3H
4H
:
Table 42. Beep output OFF-time (PLL Master/Slave Mode reference clock: MCKI)
BPLVL3-0 bit
OFF Time of BEEP Generator [msec]
BPTM6-0 bit
fs = 48kHz
(Note
0H
1H
2H
3H
4H
5H
6H
7H
system
2032
2040
2048
16.0
24.0
32.0
40.0
7DH
7EH
7FH
8.0
0H
1H
2H
3H
:
:
34)
Table 43. Beep output Repeat Count
Beep Output Level
Table 44. Beep output level
fs = 44.1kHz
(Note
system
2027.3
2035.3
2043.4
−12dB
−18dB
−24dB
−30dB
15.86
23.95
31.93
−3dB
−6dB
−9dB
7.98
39.9
0dB
Repeat Count
- 55 -
:
35)
125
126
127
128
1
2
3
:
fs = 48kHz
(Note
system
8.0
STEP
3dB
6dB
34)
Step [msec]
(default)
(default)
fs = 44.1kHz
(Note
system
7.98
35)
(default)
[AK4634]
2007/10