AK4564 Datasheet, PDF (25/48 Pages) Asahi Kasei Microsystems – 16BIT CODEC WITH BUILT-IN ALC AND MIC/HP/SPK-AMP

ASAHI KASEI
[AK4564]
-4.5dBV
FS
OATT = 0dB
FS-12dB ^-16.5dBV
OATT = -8.25dB
-4.5dBV
FS-2dB = -6.5dBV _+4.6dB
-2dB
-1.9dBV
0dBV
Full-differential
-12.75dBV
-16.5dBV
+6dB
-7.9dBV
+9.75dB ^-1.4dB
+18dB
FS-4dB = -8.5dBV
Single-ended
-10dBV
-20dBV
-24.75dBV
-30dBV
OATT+DAC
ALC2
SPK-AMP
Figure 19. Speaker-Amp Output Level Diagram (AVDD=2.8V, OATT= -8.25dB & 0dB)
*FS = Full Scale
BEEP2S bit
From BEEP2
ALCS bit
From ALC2
-
+
SP1
8Ω
-
+
SP0
Figure 20. Speaker-Amp Internal equivalent circuit
MS0140-E-01
- 25 -
2002/07