of digital audio converter IC’s
A/V Switches
AKM manufactures devices for switching audio and video in set-top box and television applications. In
addition to switching functions, selected devices provide audio DAC’s, audio amplifiers, video drivers,
and video filters. AKM’s devices conform to the SCART specification.
AK4704 (Y/C)
AK4705 (Y/Pb/Pr)
AK4706 (Y/Pb/Pr: SD or HD)
AK4702
DAC
Audio
DAC
MPEG
A/V
Decoder
VOL
Audio
Switch
RF
Modulator
TV
AK4703
Y/C
Mix
Video
Encoder
Video
Filter
Video
Switch
TV
A/V
TV
Audio
Video (CVBS/S-video/RGB
Function Signals
Blanking
and
Switching
Input
Monitor
VCR
A/V
VCR
Audio Performance
Bits
fs
48
No DAC
24
24
24
48
48
48
No DAC
No DAC
Switching
Audio
I/O
5/5
6/5
6/5
6/5
5/5
6/4
6/4
DR
96
96
96
96
96
96
96
THD
-86
-86
-86
-86
-86
-86
-86
Video I/O
CVBS/Y
4/3
4/3
4/3
4/3
4/3
4/2
4/2
Features
G/B
2/1
2/1
2/1
2/1
2/1
2/1
2/2
Audio DAC, 2Vrms out, video amps
No DAC, video amps and filters
Audio DAC, video amps and filters
Y/Pb/Pr version of 4704
HD or SD Y/Pb/Pr or RGB outputs
Differential in, video amps
Differential in, 2 RGB outputs
R/C
3/2
3/2
3/2
3/2
3/2
3/1
3/2
AK4702
AK4703
AK4704
AK4705
AK4706
AK4707
AK4708
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