AK4710 Datasheet, PDF (14/31 Pages) Asahi Kasei Microsystems – Low Power Single SCART Driver

[AK4710]
2. Audio Block
■ Volume Control (11-Level Volume)
The AK4710 has an 11-level volume control as shown in Table 4. The volume reflects the change of register value
immediately.
1Vrms
2Vrms differential
input
1Vrms
AINL/R+
300Ω
0.47μ
300Ω
0.47μ
AINL/R-
Volume Gain 0dB
Volume
2Vrms
TVOUTL/R
Figure 3. Volume (Volume Gain=0dB: default), Full Differential Stereo Input
(0DH: D6-D3)
VOL3 VOL2
1
1
1
0
1
0
1
0
1
0
0
1
0
1
0
1
0
1
0
0
0
0
0
0
0
0
VOL1
x
1
1
0
0
1
1
0
0
1
1
0
0
VOL0
Volume Gain
Output Level (Typ)
x
--
Reserved
1
+24dB
2Vrms (with 0.13Vrms differential input)
0
+21dB
-
1
+18dB
2Vrms (with 0.25Vrms differential input)
0
+15dB
-
1
+12dB
2Vrms (with 0.5Vrms differential input)
0
+9dB
-
1
+6dB
2Vrms (with 1Vrms differential input)
0
+3dB
-
1
0dB
2Vrms (with 2Vrms differential input: default)
0
-3dB
-
1
-6dB
1Vrms (with 2Vrms differential input)
0
Mute
-
Table 4. Volume, Full Differential Stereo Input
(x: Don’t care)
2Vrms
AINL/R+
0.47μ 300Ω
AINL/R-
0.47μ
300Ω
Volume Gain 0dB
Volume
2Vrms
TVOUTL/R
Figure 4. Volume (Volume Gain=0dB:default), Single-ended Input
Rev. 0.3
- 14 -
2011/07