ASAHI KASEI
[AKD4370-A]
AKD4370-B
Evaluation Board Rev.0 for AK4370
GENERAL DESCRIPTION
The AKD4370 is an evaluation board for 24bit DAC with Headphone Amplifier, AK4370. The AKD 4370
has the interface with AKM’s ADC evaluation boards. Therefore, it’s easy to evaluate the AK4370. The
ADK4370 also has the digital audio interface and can achieve the interface with digital audio systems via
opt-connector.
Ordering guide
AKD4370-B ---
Evaluation board for AK4370
(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
•
Compatible with 2 types of interface
- Direct interface with AKM’s A/D converter evaluation boards
- On-board AK4116 as DIR which accepts optical input
•
10pin header for serial control interface
•
Mini-jack for external Stereo Speaker
•
On-board Class-D Speaker Amplifier (AK7832)
Vcc (5.0V)
Regulator
(3.3V)
Opt In
(PORT1)
DSP
10pin Header
(PORT2)
GND
AK4116
(DIR)
HPL
HPR
HP
AK4370
AK7832
(SPK-Amp)
SPPL
SPPR
Control Data
10pin Header
(PORT3)
LIN1
RIN1
LIN2
RIN2
LOUT
ROUT
L/ROUT
Figure 1. AKD4370 Block Diagram
* Circuit diagram and PCB layout are attached at the end of this manual.
<KM086300>
-1-
2006/12
AKM [ ASAHI KASEI MICROSYSTEMS ]
