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AK7844 Datasheet(PDF) 2 Page - Asahi Kasei Microsystems

Part # AK7844
Description  Stereo Audio Class-D Amp with Power Booster for Piezo Speakers
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Manufacturer  AKM [Asahi Kasei Microsystems]
Direct Link  http://www.akm.com
Logo AKM - Asahi Kasei Microsystems

AK7844 Datasheet(HTML) 2 Page - Asahi Kasei Microsystems

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AKEMD
AKEMD CONFIDENTIAL
[AK7844]
Rev.00
2 –
2007/08
BLOCK DIAGRAM
PG 2
PG 1
DVDDI
VC
VREF
PDN
INL
Pre
GainL
Class-D
AMP L
VCLN
VCLP
VCRN
VCRP
INR
VSS1
VSS2
VDD2
VDD1
VSS4
VSS3
Power Booster
VBAT
VCOIL
VFB
ERRO
Class-D
AMP R
-6 ~ +15dB
3dB step
PG 0
FC1
FC0
Fc:
4/8/16kHz
LPF L
Pre
GainR
LPF R
Figure 1. BLOCK DIAGRAM


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