AKD4706-A Datasheet, PDF (1/34 Pages) Asahi Kasei Microsystems – 2ch DAC with AV SCART switch

ASAHI KASEI
AKD4706-A
Evaluation board Rev.1 for AK4706
GENERAL DESCRIPTION
AKD4706-A is an evaluation board for quickly evaluating the AK4706, 2ch DAC with AV SCART switch.
Evaluation requires audio/video analog analyzers/generators, a digital audio signal source, and a power
supply. AKM’s ADC evaluation board can be also used for the audio source. Also included is a AK4112B
digital audio interface receiver which receives S/PDIF compatible audio data. The digital audio data is
available via optical connector or BNC.
AKD4706-A --- Evaluation board for AK4706
(Cable for connecting with printer port of IBM-AT compatible PC and a control software
are enclosed with board. This control software dose not supports Windows NT.)
FUNCTION
 BNC connectors for analog audio input/output
 BNC connectors for SD/HD video input/output
 On-board clock generator
 BNC connector for an external clock input
 Compatible with 2 types of digital interface
1. Serial interface: Direct interface with evaluation boards for AKM’s A/D converter evaluation boards.
2. S/PDIF: On-board AK4112BVF as DIR that accepts optical input or BNC input
 10pin header for serial control interface
ENCY2
ENCPR
ENCPB
TVINL
TVINR
VCRVINL
VCRVINR
VCRFB
ENCB
ENCC
ENCG
ENCV
ENCY
ENCRC
TVVIN
VCRVIN
VCRB
VCRG
VCRRC
VCRSB
VP VD VVD AGND
AK4706
PORT2
Serial
interface
AK4112B
BNC
PORT3
HDY
HDPR
HDPB
MONOOUT
TVOUTL
TVOUTR
VCROUTL
VCROUTR
TVVOUT
VCRVOUT
VCRCOUT
TVB
TVG
TVRC
TVSB
TVFB
RFV
<KM081401>
Figure 1. AKD4706-A Block Diagram
Circuit diagram and PCB layout are attached at the end of this manual.
-1-
2005/12