m52779sp Mitsumi Electronics, Corp., m52779sp Datasheet
m52779sp
Related parts for m52779sp
m52779sp Summary of contents
Page 1
... DESCRIPTION The M52779SP is a single-chip semiconductor integrated circuit to process signals of a color TV. Circuits to process video IF, sound IF, video, color, and deflection signals bus control circuit, and D/ A are build in this device. This IC can be used not only for popular-type TV sets but also for middle-class TV sets ...
Page 2
... VIF GND VIF V CC LIMITER VIDEO OUT VIDEO APC FILTER VCO VCO IF AGC FILTER VIF, SIF, VIDEO, CHROMA, DEFLECTION FOR PAL/NTSC MITSUBISHI ICs (TV) M52779SP AFC2 FILTER H OUT H OSC AFC 1 FILTER SCP OUT - (B- (R- (B-Y) OUT - (R-Y) OUT X-TAL 3.58 X-TAL 4.43 VCD GND ...
Page 3
... V Supply voltage CC P Power dissipation d T Operating temperature opr T Storage temperature stg S Electrostatic discharge urge BUS DEFAULT CONDITION OF ALL BLOCKS IN M52779SP sub address 00H 01H function DLA P/N VCOA AVSW DATA 20H 20H All Blocks function sub address 08H 09H ...
Page 4
... 00/40H M 0 0/1 3F/7FH 20H 20H 40H MITSUBISHI ICs (TV) M52779SP Limits V CC Unit Note Min. Typ. Max 102 107 dB calcu late 4.0 4.4 4.8 V 2.2 2.6 3.0 V 1.5 1.9 2.3 V 3.7 4.0 4.3 V mV/ ...
Page 5
... 02H 2FH 40H MITSUBISHI ICs (TV) M52779SP Limits V CC Unit Note Min. Typ. Max 460 615 770 mVrms 860 1140 1420 mVrms ...
Page 6
... 25H 25H 25H 25H 150 25H MITSUBISHI ICs (TV) M52779SP Limits V CC Unit Note Min. Typ. Max 470 670 870 mV P 320 480 620 ...
Page 7
... 3FH 00H 20H MITSUBISHI ICs (TV) M52779SP 08H 0BH 13H MUTE ACL SER HST AFCG 00H 20H 47H :P8, P24=5V.P9, P20=8V) CC Limits Unit Note 0A 0C 10H 06H 09H ...
Page 8
... TV Vid 6 MITSUBISHI ICs (TV) M52779SP Limits Unit Note 0A 0C 10H 09H H H Min. Typ. Max -1.4 -1.2 dB 2.1 2.5 2 1.1 1.4 1 ...
Page 9
... H 2.9 127 127 M 7F 00H 127 7F 00H 127 7F 00H 127 MITSUBISHI ICs (TV) M52779SP Limits Unit Note 13H Min. Typ. Max nsec 48 H 150 310 500 ...
Page 10
... 00H 78H MITSUBISHI ICs (TV) M52779SP Sub 06H 08H address No. TV/ function DLTA AUTO COLOR EXT DATA 20H 00H D 0 function Limits V CC Unit Note 13H Min ...
Page 11
... SIZ 00 7F/60H MITSUBISHI ICs (TV) M52779SP Limits V CC Unit Note 13H Min. Typ. Max 1.35 1.5 1.6 msec ...
Page 12
... Input SG22 at pin 47, and measure the output V GAIN=20log Cn1 Output signal amplitude 1 (PAL) Cn2 Output signal amplitude 2 (PAL) 1. Input SS4P to VI IN. V1LN 2. Measure output amplitude, Cn1 and Cn2, at pins 41 and 43 f 39.9MHz respectively. MITSUBISHI ICs (TV) M52779SP 2.2V (dB) V 0AFmax (dB) (S6: 0AFM V (mVrms) 0AFS ...
Page 13
... The reference value is 3.579545MHz. R/B N Ratio of (R-Y/B-Y) 1. Input VS3N (eb=signal chroma=ec+50kHz IN. 2. V41 is the output amplitude at pin 41. 3. V43 is the output amplitude at pin 43 defined as follows: R/B N=20log MITSUBISHI ICs (TV) M52779SP V43 3.8 -1 +45 (deg) V41 1 IN. P ...
Page 14
... CTR1 Chroma trap attenuation 1 (common to R/G/B output) 1. Input SS3N to VI IN. Measure the frequency level of 3.58MHz at trap data 0. The level is defined Then, measure the level at trap data 1. 3. CTR1 is defined as follows. CTR1=20log MITSUBISHI ICs (TV) M52779SP ) except that at blanking part of P except that at blanking part of P-P M =G1 /0 ...
Page 15
... Measure output amplitude at pins 21, 22 and 23. 3. GTmin is defined as follows: GTmin=20log GT2M Video tone 4 1. Input SGB (f=2MHz IN. FINE 2 2. Measure output amplitude at pins 21, 22 and 23. OFF 3. GT2M is defined as follows GT2M=20log MITSUBISHI ICs (TV) M52779SP DTRon (mV ) P-P (dB P-P SGA Output signal M Measure the delay time at the center point of rise ...
Page 16
... VMF Video mute 1. Input SGB to VI IN. 2. Measure output amplitude of the element of 4.43MHz when the mute switch is on and off. (VMFon, VMFoff) 3. VMF is defined as follows: VMF=20log MITSUBISHI ICs (TV) M52779SP M Y14 YDL4 signal Output signal M Measure the time lag at the center point of rise. ...
Page 17
... Measure the output DC voltage at pin 18 when the service switch is on. P12 SCP FPV Vertical pull-in range Decrease the frequency of SGd and measure the frequency when output waveform at pin 18 is pulled in. VW Vertical pulse width (free running) MITSUBISHI ICs (TV) M52779SP P39 SYNC P13 H OUT VH AFCon (V ) P-P (dB) ...
Page 18
... Set the test conditions as shown in the parameter V14. 2. Input CW (fo=38.9MHz, Vi=90dB ) to input pin A. 3. Set the DC voltage at pin 1 (AFT OUT) to 1/2Vcc (4.0V) by adjusting VCO coil. Voltage ). CC Note: VCO coil should always be adjusted as above before using this IC. MITSUBISHI ICs (TV) M52779SP PIN 1 Output waveform 4.0V Frequency 38.9MHz 18 ...
Page 19
... ACL 13H R (=BAH) A SUB ADDRESS A A DATA BYTE A stop condition MITSUBISHI ICs (TV) M52779SP Data DELAY ADJ 00H VCO ADJ 20H DBF Y/C DFA TRAP 4.5/6.0 ...
Page 20
... AFC 1 13H GAIN 1 10H HADJ Data byte D4 D3 AFT0 3.58 MITSUBISHI ICs (TV) M52779SP SW Data byte A04 A03 A02 A01 A00 A14 A13 A12 A11 A10 4.5/6.0 A34 A33 A32 A31 A30 A44 A43 ...
Page 21
... HIGH 0 Normal H to ADJ normal mode 0 1 upside mode SUB-POSITION 1 0 downside mode 1 1 normal mode MITSUBISHI ICs (TV) M52779SP Condition Initial condition NEG OFF OFF 6.0 Normal 360nsec TV TV/EXT VIDEO OUT TRAP OFF SINGLE TRAP down down ...
Page 22
... Fig. 1 3.58MHz NTSC SECAM D5 : AFT1 distinguished D4 : AFT0 killer off MITSUBISHI ICs (TV) M52779SP Intial condition freq. -100kHz f ...
Page 23
... TIMING DIAGRAM SDA HD:STA V IH SCL LOW S 23 VIF, SIF, VIDEO, CHROMA, DEFLECTION FOR PAL/NTSC Parameter f t SU:STA t SU:DAT HD:DAT t HIGH S MITSUBISHI ICs (TV) M52779SP Limits Unit Min. Max. -0.5 1.5 V 3.0 5.5 V 0.0 100 kHz 4.7 s 4.0 s 4.7 s 4.0 s 4.7 s 0.0 s 250 ns 1000 ns 300 ns 4.0 ...
Page 24
... Amplitude and frequency of chroma are represented as ec. In case of standard signal, the amplitude is 570mV frequency is shown by the third character. 4) The following figure shows the phase of a PAL system signal. ec(n) eb(n) eb(n+1) ec(n+1) MITSUBISHI ICs (TV) M52779SP Standard Signal 4.43MHz PAL system ec(n+1) eb(n+1) H.sync 500mV P-P and the P-P and the ...
Page 25
... P-P f=100kHz P f=3.58MHz 5us 63.5 sec P-P MITSUBISHI ICs (TV) M52779SP Standard PAL SYNC 0.714V P-P P-P 0.286V P-P Standard NTSC SYNC ...
Page 26
... Vertical should be interlaced at 60Hz. SGb 5 sec 2 sec Duty90% Frequency:variable Level:variable (Typ. :1V SGc Duty95% Frequency:variable Level:variable (Typ. :1V Duty: variable (95%) SGd VIF, SIF, VIDEO, CHROMA, DEFLECTION FOR PAL/NTSC Signal (50 termination) 64 sec 0.714V P-P 0.286V P-P 7 sec 63.5 sec 0.714V P-P 0.286V P-P 7 sec ) P-P ) P-P MITSUBISHI ICs (TV) M52779SP Pedestal Pedestal 1V P-P 1V P-P 26 ...
Page 27
... TEST CIRCUIT X_TAL X_TAL 27 VIF, SIF, VIDEO, CHROMA, DEFLECTION FOR PAL/NTSC 3.58M F18 B503 4.43M 0.01 MITSUBISHI ICs (TV) M52779SP Units Resistance : Capacitance : F ...
Page 28
... TYPICAL CHARACTERISTICS THERMAL DERATING (MAXIMUM RATING) 2.0 1.69 1.5 1.0 0 AMBIENT TEMPERATURE VIF, SIF, VIDEO, CHROMA, DEFLECTION FOR PAL/NTSC 100 125 150 MITSUBISHI ICs (TV) M52779SP 28 ...
Page 29
... APPLICATION EXAMPLE 29 VIF, SIF, VIDEO, CHROMA, DEFLECTION FOR PAL/NTSC MITSUBISHI ICs (TV) M52779SP ...
Page 30
... MITSUBISHI ICs (TV) M52779SP Description of function AFT output pin This pin is current output. of PLL loop is adjustable by external resistor. External resistor value is 270k//270k typ. SIF detector input pin Standard input level is 100dB typ. input impedance is 4.7k typ. ...
Page 31
... A MITSUBISHI ICs (TV) M52779SP Description of function 6 VIF detector input pin input impedance is 900 , 5pF typ. pay attention to matching SAW with SAW filter. 7 power supply for VIF block 5.0V typ. power supply for DEFLECTION and VIF/ SIF output stage 8 ...
Page 32
... P-P 1.3mA 8V bias 20k 3k 24k DC5.3V AFC gain H: 900 A AFC gain L: 500 A MITSUBISHI ICs (TV) M52779SP Description of function Horizontal pre-drive output pin this pin is open emitter type. (output resistor is 200 ) 13 maximum drive current is 1k 4mA typ SDA pin BUS ...
Page 33
... P P-P 150 2V DC GND 5.0V bias MITSUBISHI ICs (TV) M52779SP Description of function Band gap reference output this pin generates reference current for vertical ramp. external resistor needs tolerance within 1%, and is stable for temperature. 17 resistor value is 2.7k 1.5k 3.0k typ. 2.7k vertical ramp current output pin connects with vertical IC ...
Page 34
... R2 150k 100k 30k DC 35k 100 2.3k 70mV P-P 100 DC 20.3k 26.7k MITSUBISHI ICs (TV) M52779SP Description of function 5V filter pin for PEAK ACL detection value of R1, R2, R3 set ave. R3 average ACL. ACL the ratio of R1:R2=3:7 C time constant is given by 3.3u (R1 R2)/(R1+R2) and C. AFC2 filter pin connect with hold ...
Page 35
... VCD GND sync tip:1. OUT composite video:2V SYNC 39 SEP IN 35 VIF, SIF, VIDEO, CHROMA, DEFLECTION FOR PAL/NTSC Peripheral circuit of pins 100 100 typ. P-P 555 A 555 A 100 100 typ. P-P 47k 21k P-P 47k 7. 5.5V MITSUBISHI ICs (TV) M52779SP Description of function BGP ...
Page 36
... P (B- (R-Y) IN 1.0V P-P DC:2.8V MAX 4.1V 46 AUDIO OUT VIF, SIF, VIDEO, CHROMA, DEFLECTION FOR PAL/NTSC Peripheral circuit of pins 2.3k 70mV P-P 100 2.35V 2.35V 55k 20k about 400mV P-P DC3.0V 4.5k 4.5k P-P 100 30k 30k 20k MITSUBISHI ICs (TV) M52779SP Description of function 40 10. ...
Page 37
... VIDEO 51 APC DC:3.0V at VCO free-run FILTER NEG 52 VIDEO OUT POS 37 VIF, SIF, VIDEO, CHROMA, DEFLECTION FOR PAL/NTSC Peripheral circuit of pins 67.4k 20k 50k 9k 10k 667 20k 48.4k 44.4k 667 833 833 or 100dB 400 5V 15.5k 14k 200 36k 400 4.5V 8V 12k 2.3V 4.4V 2.6V MITSUBISHI ICs (TV) M52779SP Description of function ...