AKD4644-B Datasheet, PDF (1/40 Pages) Asahi Kasei Microsystems – Stereo CODEC with built-in MIC/HP/RCV amplifier

ASAHI KASEI
[AKD4644-B]
AKD4644-B
AK4644 Evaluation board Rev.0
GENERAL DESCRIPTION
AKD4644-B is an evaluation board for the AK4644, Stereo CODEC with built-in MIC/HP/RCV amplifier.
The AKD4644-B can evaluate A/D converter and D/A converter separately in addition to loop-back mode
(A/D → D/A). The AKD4644-B also has the digital audio interface and can achieve the interface with
digital audio systems via opt-connector.
„ Ordering guide
AKD4644-B
--- Evaluation board for AK4644
(Cable for connecting with printer port of IBM-AT compatible PC and control
software are packed with this. This control software does not operate on Windows
NT.)
FUNCTION
• DIT/DIR with optical input/output
• 10pin Header for serial control mode
• Mini-jack for external Stereo Speaker
• On-board Stereo Class-D Speaker Amplifier (AK7830)
5V
Regulator
GND
3.3V
LIN1/
RIN1
LIN2/
RIN2
MIN/
LIN3/
RIN3
HP
LOUT/
ROUT
SPL
SPR
AK7830
AK4644
Control Data
10pin Header
DSP
10pin Header
AK4114
Opt In
Opt Out
<KM082800>
Figure 1. AKD4644-B Block Diagram
* Circuit diagram and PCB layout are attached at the end of this manual
-1-
2006 / 03