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CXA2050S Dataheets PDF



Part Number CXA2050S
Manufacturers Sony Corporation
Logo Sony Corporation
Description luminance signal processor
Datasheet CXA2050S DatasheetCXA2050S Datasheet (PDF)

CXA2050S Y/C/RGB/D for PAL/NTSC Color TVs Description The CXA2050S is a bipolar IC which integrates the luminance signal processing, chroma signal processing, RGB signal processing, and sync and deflection signal processing functions for PAL/NTSC system color TVs onto a single chip. This IC includes deflection processing functions for wide-screen TVs, and is also equipped with a SECAM decoder interface, making it possible to construct a TV system that supports multiple color systems. 64 pin SDIP.

  CXA2050S   CXA2050S



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CXA2050S Y/C/RGB/D for PAL/NTSC Color TVs Description The CXA2050S is a bipolar IC which integrates the luminance signal processing, chroma signal processing, RGB signal processing, and sync and deflection signal processing functions for PAL/NTSC system color TVs onto a single chip. This IC includes deflection processing functions for wide-screen TVs, and is also equipped with a SECAM decoder interface, making it possible to construct a TV system that supports multiple color systems. 64 pin SDIP (Plastic) Features • I2C bus compatible • Compatible with both PAL and NTSC systems (also compatible with SECAM if a SECAM decoder is connected) • Built-in deflection compensation circuit capable of supporting various wide modes • Countdown system eliminates need for H and V oscillator frequency adjustment • Automatic identification of 50/60Hz vertical frequency (forced control possible) • Non-interlace display support (even/odd selectable) • Automatic identification of PAL, NTSC, and SECAM color systems (forced control possible) • Automatic identification of 4.43MHz/3.58MHz crystal (forced control possible) • Non-adjusting Y/C block filter • One CV input, one set of Y/C inputs, two sets of analog RGB inputs (one set of which can serve as both analog and digital inputs) • Built-in AKB circuit • Support for forcing YS1 off Applications Color TVs (4:3, 16:9) Structure Bipolar silicon monolithic IC Absolute Maximum Ratings (Ta = 25°C, SGND, DGND = 0V) • Supply voltage SVCC1, 2, DVCC1, 2 –0.3 to +12 V • Operating temperature Topr –20 to +65 °C • Storage temperature Tstg –65 to +150 °C • Allowable power consumption PD 1.7 W • Voltages at each pin –0.3 to SVCC1, SVCC2, DVCC1, DVCC2 + 0.3 V Operating Conditions Supply voltage SVCC1, 2 DVCC1, 2 9.0 ± 0.5 9.0 ± 0.5 V V Sony reserves the right to change products and specifications without prior notice. This information does not convey any license by any implication or otherwise under any patents or other right. Application circuits shown, if any, are typical examples illustrating the operation of the devices. Sony cannot assume responsibility for any problems arising out of the use of these circuits. –1– E96403-PS Block Diagram EXT SYNC IN VM SYNCOUT SDA DCTRAN SCL BLHOLD VSFIL HSIN CERA VSIN 63 54 59 52 47 44 57 61 56 55 51 45 53 46 2Vp-p H SYNC SEP 32fH VCO PHASE DET V SYNC SEP GATE Sand Castle PHASE DET. 1/32 2fH H POSI AFC CD MODE PHASE SHIFT DC SHARP TRAN AGING D PIC DL SHP f0 V FREQ 50/60 ID SHARP NESS D PIC GATE Count Down 525/625 PRE/OVER TOT TOT INTERLACE PIC D-COL γ KILLER DET YS1 OFF INTER -LACE AFCFIL AFCPIN/ HOFF L2FIL 42 DVCC1 50 DVCC2 48 DGND H.DRIVE 43 HD OUT 12 SCPOUT 36 VTIM 40 VAGCSH VPOSI, VOFF, VSIZE 6dB VM EXT SYNC VIDEO OUT 58 CV/YC SUB CONT DL DC TRAN CLP TRAP OFF CVIN 60 1Vp-p YIN 62 VIDEO SW SUB CONT TRAP ACC DET SYSTEM IDENT 1Vp-p YS2 YM RSH B1IN IREF R2IN X358 X443 R1IN G1IN YOUT YRET G2IN B2IN APCFIL ABLFIL FSCOUT SECAM REF.


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