Details, datasheet, quote on part number: AK8850
CategoryMultimedia => Video => Codecs
DescriptionTriple 10-bit ADC Video Decoder
CompanyAKM Semiconductor, Inc.
DatasheetDownload AK8850 datasheet
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Features, Applications

The AK8850 decodes NTSC composite video, S-Video and Component Video signals (525/625) into digital formats. Digital output conforms to ITU-R BT.601 and ITU-R BT.656* YCrCb specifications. The AK8850 outputs a control signal to generate clocks synchronized with either Horizontal Sync or Vertical Sync signals. Its clock rate is 27 MHz. An encoded VBID Closed Caption signal can be extracted from the video signal and sent to an external pin on the AK8850.


NTSC-M Composite signal and S-Video signal decoder Component Video decoder for / 625 systems ( Betacam,MII,EBU N10 ) On-chip triple 10-Bit ADCs ( 27 MHz operation ) On-chip Programmable Gain Amp ( PGA ranging from dB / steps Input-synchronized clock is generated by an external VCXO Sub-Carrier generation by Digital Synthesizer ( DFS ) Auto Color Control ( ACC ) Auto Gain Control ( AGC ) Adaptive 3-line Y-C separation ITU-R BT.656 format output 4:2:2 8-Bit parallel output with EAV / SAV ) NTSC Closed Caption signal decoding function VBID Program condition decoding function WSS Program condition decoding function Video Aspect Signal decoding function on Line 16 and Line 279 Sleep function 6­channel Analog inputs I2C Control 3.3 V CMOS 100-Pin LQFP package

note: * ITU-R BT.656 spec may not be satisfied, it is dependent upon input signal quality.
NSTD LLPF LLPFC FLPF FLPFC IRefR1 CLOCK Module 27MHz Phase Error Timing Contorller
CLPCAP1 CLPCAP2 VREF 13.5MHz Analog Multiplexer Clamp PGA Sync Separator
Output Processing (Level Shifter & Rec.656 formatter etc.) with Buffer
VRPVideo VCOM VRNinVREF AVSS site 1-1. SignalAVDD Path ( Compo signal put ) IRefR2
NSTD Phase Error CLOCK Module 27MHz Timing Contorller


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