AK4691EG AKM [Asahi Kasei Microsystems], AK4691EG Datasheet - Page 48

• Manufacturer Part Number: AK4691EG
• Description: 4ch ADC + 2ch DAC with MIC/HP/SPK-AMP
• Manufacturer: AKM [Asahi Kasei Microsystems]

■
The BST1-0 bits control the amount of low frequency boost applied to the DAC output signal
bits are set to “01” (MIN Level), use a 47μF capacitor for AC-coupling. If the boosted signal exceeds full scale, the analog
output clips to the full scale.
MS0672-E-00
Bass Boost Function
20
15
10
-5
5
0
10
MAX
MID
MIN
Figure 30
Figure 30. Bass Boost Frequency Response (fs = 48kHz)
BST1 bit
0
0
1
1
shows the boost frequency response at –20dB signal input.
Table 38. Bass Boost Control
100
Boost Filter (fs=48kHz)
BST0 bit
0
1
0
1
Frequency [Hz]
- 48 -
Mode
MAX
OFF
MIN
MID
1000
(default)
(Table
10000
38). If the BST1-0
[AK4691]
2007/11