AK8856 Datasheet, PDF (26/105 Pages) Asahi Kasei Microsystems – NTSC/PAL Digital Video Decoder

ASAHI KASEI
[ AK8856 ]
AGCCTR-bit
[AGCTR]-bit setting
0
1
Function
Slow
transition speed from Peak AGC to Sync AGC is fast
Note
same as AK8855
Clamp
The input signal is Analog Sync-Tip clamped.
The Sync-Tip clamped input signal is then clamped to the Pedestal level after A/D conversion.
Anti-Aliasing Filter
An Analog Band Limit Filter is integrated before the ADC input in the AK8856.
The Anti-Aliasing Filter has following characteristics:
± 1.0dB (~ 6.0MHz)
27MHz -24dB (typ)
Rev-01
26
2007/03