AKD4687-A Datasheet, PDF (1/52 Pages) Asahi Kasei Microsystems – Evaluation board Rev.2 for AK4687

[AKD4687-A]
AKD4687-A
Evaluation board Rev.2 for AK4687
GENERAL DESCRIPTION
AKD4687-A is an evaluation board for AK4687, which is a single chip 24bit CODEC with a 2ch ADC and
a 2ch DAC. It is possible to evaluate not only A/D and D/A of the AK4687, but also asynchronous
operation characteristics. Also, the board could be connected to a digital’s audio equipment easily with
S/PDIF connectors.
„ Ordering guide
AKD4687-A --- Evaluation board for AK4687
(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 digital audio interface
- BNC (S/PDIF) input/output with DIT/DIR (AK4118A)
- 10pin headers for interfacing with external data source
† Separate power supply or regulator power supply
† 10pin header for register control
+5V
REG
VSS3
LOUT ROUT
DVDD
AK4118A
(DIR)
Digital Input
AVDD2
AVSS2
AVSS1
AVDD1
AK4687
PORT 6
10pin Header
PORT4
10pin Header
AK4118A
(DIT)
Digital Output
RIN3 LIN3 RIN2 LIN2 RIN1LIN1
Control Data
10pin Header
Figure 1. AKD4687 Block Diagram
* Circuit diagram and PCB layout are attached at the end of this manual.
<KM104603>
-1-
2011/06