AK4524VF Asahi Kasei Microsystems, AK4524VF Datasheet - Page 24

• Manufacturer Part Number: AK4524VF
• Description: 24BIT 96KHZ AUDIO CODEC
• Manufacturer: Asahi Kasei Microsystems

ASAHI KASEI
M0050-E-01
Addr
06H
07H
ATTL/R6-0: DAC ATT Level
Register Name
Lch OATT Control
Rch OATT Control
-100
Refer to Table 11
Initial: 7FH (0dB)
The AK4524 includes digital ATT with 128 levels equivalent to ADC’s.
The OATTs are set to “00H” when PD pin goes “L”. After returning to “H”, the OATTs fade in the initial
value, “7FH” by 8031 cycles.
The OATTs are set to “00H” when PWDA goes “0”. After returning to “1”, the OATTs fade in the current
value.
The OATTs are set to “00H” when RSTDA goes “0”. Afer returning to “1”, the OATTs fade in the current
Value.
-10
-20
-30
-40
-50
-60
-70
-80
-90
RESET
0
127
111
95
D7
0
0
0
Figure 9. ATT characteristics
ATTL6
ATTR6
79
Input Data(Level)
D6
1
Step (dB)
- 24 -
ATTR5
ATTL5
63
D5
1
ATT (dB)
ATTR4
ATTL4
47
D4
1
ATTR3
ATTL3
31
D3
1
15
ATTR2
ATTL2
D2
1
ATTR1
ATTL1
2
1.8
1.6
1.4
1.2
1
0.8
0.6
0.4
0.2
0
D1
1
[AK4524]
ATTR0
ATTL0
1999/5
D0
1