AK4528 Datasheet, PDF (22/29 Pages) Asahi Kasei Microsystems – HIGH PERFORMANCE 24BIT 96KHZ AUDIO CODEC

ASAHI KASEI
[AK4528]
Addr
04H
05H
Register Name
Lch OATT Control
Rch OATT Control
default
D7
D6
D5
D4
D3
D2
D1
D0
0
ATTL6 ATTL5 ATTL4 ATTL3 ATTL2 ATTL1 ATTL0
0
ATTR6 ATTR5 ATTR4 ATTR3 ATTR2 ATTR1 ATTR0
0
1
1
1
1
1
1
1
ATTL/R6-0: DAC ATT Level (see Table 8)
Default : 7FH (0dB)
The OATTs are set to “00H” when PDN 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 RSTDAN goes “0”. Afer
returning to “1”, the OATTs fade in the current value.
0
-10
-20
-30
-40
-50
-60
-70
-80
-90
-100
2
1.8
ATT (dB)
1.6
1.4
1.2
1
Step (dB)
0.8
0.6
0.4
0.2
0
127 111 95
79
63
47
31
15
Input Data(Level)
Figure 10. ATT characteristics
MS0011-E-00
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