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| MITSUBISHI ICs (TV) M52770ASP NTSC/PAL TV SIGNAL PROCESSOR DESCRIPTION The M52770ASP is a single chip CTV processor which has VIF/SIF, luminance, chrominance, mono sound, OSD display, RGB interface, and deflection. And it is possible to control each parameters by bus. A baseband 1H delay line is built-in, and conjunction with SECAM decoder M52325AP simplifies multi system CTV chassis. I2C PIN CONFIGURATION (TOP VIEW) VIF GND AFT OUT SIF LIMITER IN RF AGC OUT QIF OUT 1 2 3 4 5 6 7 8 9 10 11 64 VIF VIDEO OUT 63 VIF APC FILTER1 62 VIF VCO (2) 61 VIF VCO (1) 60 FM DIRECT OUT 59 EXT AUDIO IN 58 AUDIO BYPASS 57 AUDIO OUT 56 VIF APC FILTER2 55 -(R-Y) IN 54 -(B-Y) IN 53 Hi VCC 52 SECAM REF. 51 VIDEO CLAMP 50 X-TAL 4.43 49 SYNC SEP IN(2) 48 SYNC SEP IN(1) 47 Y SW OUT 46 VIDEO/CHROMA GND 45 TV IN 44 CHROMA APC FILTER 43 EXT IN 42 KILLER FILTER 41 X-TAL 3.58 40 CONTRAST CONTROL 39 R IN 38 BLK HOLD 37 G IN 36 X-RAY IN 35 VIDEO IN 34 ID FILTER 33 CHROMA IN FEATURES * Built-in 1H Delay Line using Bi-CMOS technology * Multistandard PLL demodulator for IF * Alignment - free sound demodulator * Flexible source selection with internal CVBS and external CVBS or Y/C input signal * Audio switch integrated * Integrated chroma trap and bandpass filters with auto-calibration * Luminance delay line integrated * RGB control circuit with cut-off and drive * Linear RGB inputs and fast blanking * Horizontal synchronaization with two control loops and alignmentfree H-oscillator * Vertical count-down circuit * Vertical saw tooth generator integrated * I2C Bus control of various functions * Easy interfacing with SECAM decoder for multistandard applications * Small amount of peripheral components IF AGC FILTER QIF IN SPOT KILLER VIF IN(1) VIF IN(2) VIF VCC FAST BLK 12 SCL 13 SCP OUT 14 H OUT 15 VSS SDA 16 17 VDD DECOUPLING 18 AFC 1 FILTER 19 H OSC MUTE FILTER R OUT G OUT 20 21 22 23 24 25 26 27 28 APPLICATION NTSC/PAL TELEVISION B OUT DEFLECTION GND V OUT(RAMP/PULSE) QUICK REFERENCE DATA * Supply voltage pin11(VIF), pin31(video/chroma).................. 5.0V pin27(Start-up), pin53(Output Stage)........... 9.0V * Supply current * Input signals pin11 and pin31....................................... 107mA pin27 and pin53..........................................56mA VIF input sensitivity...................................47dB SIF limiting sensitivity............................... 40dB External audio input....................................1VP-P External CVBS/Y inputs............................. 1VP-P External chroma input (burst amplitude)..0.3VP-P External RGB inputs................................ 0.7VP-P Fast blanking Internal TV.................. 0 to 0.8V External RGB............1.2 to 3.3V Harf Tone.................... 3.7 to 5V -(R-Y) input.............................................1.05VPP START-UP VCC B IN V RAMP FEEDBACK 29 V RAMP C 30 VIDEO/CHROMA VCC AFC 2 FILTER 31 32 Outline 64P4B * Output signals 8.7V VIF CVBS det out.....................................2.2VP-P RF AGC output range.........................0.3 to Video switch out.......................................2.1VP-P RGB output Pedestal voltage................. 2.2V amplitude........................ 4.2VP-P Horizontal output amplitude..................... 4.0VP-P Vertical ramp amplitude........................... 2.0VP-P -(B-Y) input.............................................1.33VP-P MITSUBISHI ICs (TV) M52770ASP NTSC/PAL TV SIGNAL PROCESSOR BLOCK DIAGRAM EXT AUDIO IN H OUT FM DIRECT OUT AUDIO BYPASS H OSC SPOT KILLER MUTE FILTER VIF GND AFC 1 FILTER SCP OUT -(B-Y) IN -(R-Y) IN SIF LIMITER IN Hi VCC VDD DECOUPLING VSS KILLER FILTER VIF APC FILTER2 VIF VIDEO OUT X-TAL 3.58 X-TAL 4.43 VIDEO/CHROMA GND VIDEO/CHROMA VCC QIF OUT CHROMA APC FILTER QIF IN ID FILTER VIF APC FILTER1 SYNC SEP IN(1) VIF VCO (2) VIF VCO (1) SYNC SEP IN(2) CHROMA IN EXT IN VIF VCC IF AGC FILTER VIDEO IN TV IN MITSUBISHI ICs (TV) M52770ASP NTSC/PAL TV SIGNAL PROCESSOR ABSOLUTE MAXIMUM RATINGS Symbol VCC Pd K Topr Tstg Parameter Supply voltage Power dissipation Thermal derating Operating temperature Storage temperature Ratings 0.0, 10.0 1815 14.52 -20 to +70 -40 to +125 Unit V mW mW/C C C TYPICAL CHARACTERISTICS THERMAL DERATING (MAXIMUM RATING) 2000 1820 1500 1160 1000 500 0 -20 0 40 80 120 160 AMBIENT TEMPERATURE Ta (C) MITSUBISHI ICs (TV) M52770ASP NTSC/PAL TV SIGNAL PROCESSOR APPLICATION EXAMPLE |
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