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| MITSUBISHI ICs (TV) M52771SP NTSC/PAL TV SIGNAL PROCESSOR DESCRIPTION The M52771SP 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 I2C bus. A baseband 1H delay line is built-in, and conjunction with SECAM decoder M52325AP simplifies multi system CTV chassis. PIN CONFIGURATION (TOP VIEW) VIF GND AFT OUT LIMITER IN RF AGC OUT 1 2 3 4 5 6 7 8 9 52 51 50 49 48 47 46 45 VIDEO OUT VIDEO APC FILTER1 VCO -2 VCO -1 FM DIRECT OUT EXT AUDIO IN AUDIO BYPASS AUDIO OUT 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 VIF IN(1) VIF IN(2) VIF VCC(5V) FAST BLK 44 -(R-Y) IN 43 -(B-Y) IN 42 Hi VCC(9V) 41 SECAM REF. / SELF ADJ. 40 X-TAL 4.43 SCL 10 SCP OUT 11 H OUT 12 DEFLECTION/VSS GND 13 SDA 14 AFC 1 FILTER 15 H OSC 16 AFC 2 FILTER 17 R OUT 18 G OUT 19 B OUT 20 V RAMP/PULSE OUT 21 HVCC(9V) 22 39 SYNC SEP IN 38 Y SW OUT 37 VCD GND 36 TV CVBS IN / Y IN 35 CHROMA APC FILTER 34 EXT CVBS IN / C IN 33 KILLER FILTER 32 X-TAL 3.58 31 ACL IN/ABCL IN 30 R IN 29 IDENT FILTER APPLICATION NTSC/PAL TELEVISION B IN 23 V RAMP FEEDBACK 24 V -RAMP C 25 28 G IN 27 BLACK PEAK QUICK REFERENCE DATA * Supply voltage pin8(VIF), pin26(video/chroma).................... 5.0V pin22(Start-up), pin42(Output Stage)........... 9.0V * Supply current * Input signals pin8 and pin26......................................... 107mA pin22 and pin42..........................................56mA VIF input sensitivity...................................48dB SIF limiting sensitivity............................... 43dB External audio input.......................... 920mV rms 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 1.3V External RGB............1.7 to 3.3V BLK..............................3.7 to 5V -(R-Y) input.............................................1.05VP-P -(B-Y) input.............................................1.33VP-P VCD VCC(5V) 26 QUTLINE 52P4B * Output signals VIF CVBS det out.....................................2.2VP-P RF AGC output range.........................0.3 to 8.7V 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 MITSUBISHI ICs (TV) M52771SP NTSC/PAL TV SIGNAL PROCESSOR BLOCK DIAGRAM EXT AUDIO IN H OUT FM DIRECT OUT AUDIO BYPASS H OSC VIF GND AFC 1 FILTER SCP OUT -(B-Y) IN -(R-Y) IN SIF LIMITER IN Hi VCC VSS VIF VCC X-TAL 3.58 X-TAL 4.43 VIF VIDEO OUT VIDEO/CHROMA GND VIDEO/CHROMA VCC CHROMA APC FILTER VIF APC FILTER1 ID FILTER KILLER FILTER SYNC SEP IN(1) VIF VCO (2) VIF VCO (1) SYNC SEP IN(2) IF AGC FILTER VIDEO IN TV IN MITSUBISHI ICs (TV) M52771SP NTSC/PAL TV SIGNAL PROCESSOR ABSOLUTE MAXIMUM RATINGS Symbol VCC Pd Kq Topr Tstg Parameter Supply voltage Power dissipation Thermal derating Operating temperature Storage temperature Ratings 0.0, 10.0 1690 13.52 -20 to +65 -40 to +125 Unit V mW mW/C C C TYPICAL CHARACTERISTICS THERMAL DERATING (MAXIMUM RATING) 2000 1690 1500 1000 500 0 -20 0 40 65 80 120 160 AMBIENT TEMPERATURE Ta (C) MITSUBISHI ICs (TV) M52771SP NTSC/PAL TV SIGNAL PROCESSOR APPLICATION EXAMPLE |
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