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KKA8842 Dataheets PDF



Part Number KKA8842
Manufacturers KODENSHI KOREA
Logo KODENSHI KOREA
Description I2C BUS CONTROLLED SINGLE CHIP TV-RECEIVER
Datasheet KKA8842 DatasheetKKA8842 Datasheet (PDF)

www.DataSheet4U.com TECHNICAL DATA I2C BUS CONTROLLED SINGLE CHIP TV-RECEIVER The KKA 8842 is I2C-bus controlled single chip TV processor which is intended to be applied in PAL, NTSC, PAL/NTSC and multi-standard television receivers. FEATURES The following features are available: • Multi-standard vision IF circuit with an alignment-free PLL demodulator without external components • Alignment-free multi-standard FM sound demodulator (4.5 MHz to 6.5 MHz) • Audio switch • Automatic Volume Limiti.

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www.DataSheet4U.com TECHNICAL DATA I2C BUS CONTROLLED SINGLE CHIP TV-RECEIVER The KKA 8842 is I2C-bus controlled single chip TV processor which is intended to be applied in PAL, NTSC, PAL/NTSC and multi-standard television receivers. FEATURES The following features are available: • Multi-standard vision IF circuit with an alignment-free PLL demodulator without external components • Alignment-free multi-standard FM sound demodulator (4.5 MHz to 6.5 MHz) • Audio switch • Automatic Volume Limiting • Flexible source selection with CVBS switch and Y(CVBS)/C input so that a comb filter can be applied • Integrated chrominance trap circuit • Integrated luminance delay line • Asymmetrical peaking in the luminance channel with a (defeatable) noise coring function • PAL/SECAM/NTSC decoder • Base-band delay line for PAL and SECAM or chroma comb filter for NTSC • Black stretching of non-standard CVBS or luminance signals • Integrated chroma band-pass filter with switchable centre frequency • Dynamic skin tone control circuit • Blue stretch circuit which offsets colours near white towards blue • RGB control circuit with "Continuous Cathode Calibration" and white point adjustment • Possibility to insert a "blue back" option when no video signal is available • Horizontal synchronization with two control loops and alignmentfree horizontal oscillator • Vertical count-down circuit • Vertical driver optimised for DC-coupled vertical output stages • I2C-bus control of various functions 1 www.DataSheet4U.com KKA8842 QUICK REFERENCE DATA SYMBOL Supply VP IP Input voltages ViVIFrms) ViSIF(rms) ViAUDIO(rms) ViCVBS(p-p) ViCHROMA(pp) ViRGB(p-p) Output signals VoCVBS(p-p) IoTUNER VoVIDSW(p-p) VoB-Y(p-p) VoR-Y(p-p) VoY(p-p) VoRGB(p-p) IoHOR IoVERT PARAMETER supply voltage supply current video IF amplifier sensitivity (RMS value) sound IF amplifier sensitivity (RMS value) external audio input (RMS value) external CVBS/Y input (peak-to-peak value) external chroma input voltage (burst amplitude) (peak-to-peak value) RGB inputs (peak-to-peak value) demodulated CVBS output (peak-to-peak value) tuner AGC output current range CVBS1/CVBS2 output voltage of video switch (peak-to-peak value) -(R-Y) output/input voltage (peak-to-peak value) -(B-Y) output/input voltage (peak-to-peak value) Y output/input voltage (peak-to-peak value) RGB output signal amplitudes (peak-topeak value) horizontal output current vertical output current (peak-to-peak value) MIN. 0 10 TYP. 8.0 110 35 1.0 350 1.0 0.3 0.7 2.2 2.0/ 1.0 1.05 1.33 1.4 2.0 1 MAX. 5 UNIT V mA µV mV mV V V V V mA V V V V V mA mA PINNING SYMBOL SNDIF AUDIOEXT NC NC PLLLF IFVO SCL SDA DECBG CHROMA CVBS/Y VP1 CVBSINT GND1 AUDIOOUT SECPLL CVBSEXT PIN 1 2 3 4 5 6 7 8 9 10 11 12 13 14 15 16 17 DESCRIPTION Sound IF input External audio input not connected not connected IF-PLL loop filter IF video output serial clock input serial data input/output bandgap decoupling chrominance input (S-VHS) external CVBS/Y input main supply voltage (+.


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