AKD4705A-A Datasheet, PDF (1/34 Pages) Asahi Kasei Microsystems – AK4705A Evaluation Board Rev.0

[AKD4705A-A]
AKD4705A-A
AK4705A Evaluation Board Rev.0
GENERAL DESCRIPTION
AKD4705A-A is an evaluation board for quickly evaluating the AK4705A, 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.
AKD4705A-A --- AK4705A Evaluation Board
(Cable for connecting with printer port of IBM-AT compatible PC
and a control software are enclosed with board. This control software dose not
support Windows NT.)
FUNCTION
 BNC connectors for analog audio input/output
 BNC connectors for analog 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
PORT3 _UP-I/F
10pin Heder
Control Data
Reg.
(Digital)
D5V
VVD2 VVD1
+5V
+12V Gnd
JP10
JP11
JP8
Reg.
JP9
AD DATA
ROM DATA
10pin Header
J2
Port1 _EXT
RX
JP6
PORT2
RX
Opt In
J1
JP1 EXT
EXT
RFV
JP25_~
DIR
Clock
Generator
VCRVOUT
VCRC
TVRC
TVFB
TVVOUT
TVG
JP12
AK4705A
TVB
ENCB ENCRC ENCV TVVIN VCRFB
VCRG
MONOOUT
TVOUTL
TVOUTR
VCROUTL
VCROUTR
TVINL
TVINR
VCRINL
VCRINR
ENCG
ENCC ENCY VCRVIN VCRRC
VCRB VCRSB TVSB
Figure 1. AKD4705A-A Block Diagram
Note 1. Circuit diagram and PCB layout are attached at the end of this manual.
<KM091000>
-1-
2007/09