AK4706_10 Datasheet, PDF (27/54 Pages) Asahi Kasei Microsystems – 2ch 24bit DAC with AV Switch & HD/SD Video Filter

[AK4706]
■ Volume Control #0, #2 (4-Level Volume)
The AK4706 has a 4-level volume control (Volume #0, #2) as shown in Table 10 and Table 11. The volume reflects the
change of register value immediately.
(03H: D4-D3)
DVOL1
0
0
1
1
DVOL0 Volume #0 Gain
Output Level (Typ)
0
0dB
2Vrms (with 0dBFS input & volume #1=0dB.)
1
-6dB
1Vrms (with 0dBFS input & volume #1=0dB.)
0
+2.44dB
2.65Vrms (with 0dBFS input & volume #1=0dB.)
1
+4dB
2Vrms (with –10dBFS input & volume #1=+6dB.
Clips over –2.5dBFS digital input.)
Table 10. Volume #0 (at DAPD bit =”0”. DAC mode)
(03H: D4-D3)
DVOL1
0
0
1
1
DVOL0 Volume #2 Gain
Output Level (Typ)
0
+6dB
2Vrms (with 1Vrms input & volume #1=0dB.)
1
0dB
1Vrms (with 1Vrms input & volume #1=0dB.)
0
(reserved)
-
1
(reserved)
-
Table 11. Volume #2 (at DAPD bit =”1”. analog input mode.)
MS0507-E-01
- 27 -
2010/09