TDA2579B Philips Semiconductors, TDA2579B Datasheet
TDA2579B
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TDA2579B Summary of contents
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... DATA SHEET TDA2579B Horizontal/vertical synchronization circuit Preliminary specification File under Integrated Circuits, IC02 INTEGRATED CIRCUITS September 1990 ...
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... Philips Semiconductors Horizontal/vertical synchronization circuit GENERAL DESCRIPTION The TDA2579B generates and synchronizes horizontal and vertical signals. The device has a 3 level sandcastle output; a transmitter identification signal and also 50/60 Hz identification. Features Horizontal phase detector, (sync to oscillator), sync separator and noise inverter Triple current source in the phase detector with automatic selection ...
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... September 1990 CONDITION SYMBOL MIN 0.05 5(p- 9 Preliminary specification TDA2579B TYP. MAX. UNIT 4.5 V 2 7.65 V ...
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... Philips Semiconductors Horizontal/vertical synchronization circuit September 1990 4 Preliminary specification TDA2579B ...
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... The width of this pulse depends on the divider mode. For the divider mode a the start is generated at the reset of the divider. In mode b and c the anti-top-flutter pulse starts at the beginning of the first equalizing pulse. September 1990 1 Preliminary specification TDA2579B drops below 1.2 V. This would imply a 18 ...
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... The slicing level value can be chosen by the value of the external resistor between pins 6 and 7. The value is given by the formula 100 R value -------------------- - s 5 Where R is the resistor between pins 6 and 7 and top sync level equals 100%. The recommended resistor value September 1990 6 Preliminary specification TDA2579B should 4 ...
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... TV-signal. When the voltage on pin 18 reaches a level usually within 15 ms, the frame counter is switched OFF and the time constant is switched from fast to normal during the vertical scan period. September 1990 p-p rms 7 Preliminary specification TDA2579B 47 nF) after reception 18 ...
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... In this condition the transmitter identification circuit is not active switching to slow time constant desired (transmitter identification circuit active), connect a 6.8 V zener diode between pin 18 and ground. Fig.2 illustrates the operation of the 3 phase detector circuits. September 1990 Fig.2 Timing diagram, phase detectors. 8 Preliminary specification TDA2579B 12 V, pin 10. ...
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... HIGH time. Horizontal picture shift is possible by forcing an external charge or discharge current into the capacitor at pin 14. September 1990 allowed. The starting circuit has the ability to derive the 10 V) the minimum required supply current to pin 16 is 2.5 mA. All other IC functions 14 Preliminary specification TDA2579B = 25 C). amb 500 ) which 5 mA. 40% HIGH. ...
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... With the 50/60 Hz information the burst-key pulse width is switched to improve the behaviour in multi-norm concepts. September 1990 1.8 V (new TV-transmitter found) the npn transistor is switched OFF. 576 (60 Hz) is found an internal pnp transistor with its emitter connected to 7 Preliminary specification TDA2579B ...
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... Supply voltage Total power dissipation Storage temperature range Operating ambient temperature range Thermal resistance From junction to ambient in free air September 1990 SYMBOL MIN tot T 55 stg T 25 amb 11 Preliminary specification TDA2579B MAX. UNIT 9.7 mA 13.2 V 1.2 W 150 K/W th j-a ...
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... Phase modulation due to hum on input current (pin 16) September 1990 CONDITIONS SYMBOL note 1 V 5(p-p) note 2 note 3 S note 4 note 4 12 Preliminary specification TDA2579B MIN. TYP. MAX. 6.2 9.7 2.5 9.7 8.8 9.3 9 13.2 1.5 3.1 3.75 0.05 0.6 1 0.2 0.3 0. 0.7 1 ...
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... 2.7 nF 34.8 k osc 6 Preliminary specification TDA2579B MIN. TYP. MAX. 200 300 600 flyback pulse) positive 25 60 15625 1.10 13.2 13 15.8 5.0 6.2 0.1 0 0.3 0 ...
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... September 1990 CONDITIONS SYMBOL 0 0 sink note note Preliminary specification TDA2579B MIN. TYP. MAX. -2 5.10 0.16 9.8 10.4 4.1 4.5 4.9 2.1 2.5 2.9 0.7 3.85 4.15 4.6 3.40 3.65 4.0 1.0 2.3 2.7 3.1 9.3 9.7 8.8 9.2 0.25 5.8 6.5 7 0.3 3.2 3.5 3.8 1.0 1.2 1.4 0.08 0.12 0.16 UNIT ...
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... Divider mode September 1990 CONDITIONS SYMBOL note note Preliminary specification TDA2579B MIN. TYP. MAX. 1.5 1.75 2.0 4.7 5.0 5.3 7.4 7.8 8.2 0.15 0. 7.2 7. 3.5 2.1 2.5 2 5.5 5.85 6.3 4.55 4.85 5.25 UNIT ...
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... 150 nF 330 k 4 note pin note note note Preliminary specification TDA2579B MIN. TYP. MAX. 3.1 2.5 100 7.0 7.5 7 0.97 1.07 1.17 0.8 1.75 2.5 5.0 5.5 6.3 170 0.25 1.7 1.85 2.0 0.25 0.35 0.45 UNIT ...
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... Hz) clock pulse 618 (50 Hz) stop: clock pulse 34 (60 Hz) clock pulse 44 (50 Hz) 6. Depends on DC level of pin 5, given value is valid for V 7. Value related to internal zener diode reference voltage source spread includes the complete spread of reference voltage. September 1990 Preliminary specification TDA2579B ...
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... Philips Semiconductors Horizontal/vertical synchronization circuit September 1990 Fig.3 Timing diagram of the TDA2579B. 18 Preliminary specification TDA2579B ...
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... Philips Semiconductors Horizontal/vertical synchronization circuit APPLICATION INFORMATION September 1990 Fig.4 TDA2579B 110 application circuit (45AX). 19 Preliminary specification TDA2579B ...
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... 0.53 1.40 0.32 21.8 0.38 1.14 0.23 21.4 0.021 0.055 0.013 0.86 0.015 0.044 0.009 0.84 REFERENCES JEDEC EIAJ 20 Preliminary specification ( 6.48 3.9 8.25 2.54 7.62 6.20 3.4 7.80 0.26 0.15 0.32 0.10 0.30 0.24 0.13 0.31 EUROPEAN PROJECTION TDA2579B SOT102-1 ( max. 9.5 0.254 0.85 8.3 0.37 0.01 0.033 0.33 ISSUE DATE 93-10-14 95-01-23 ...
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... Philips customers using or selling these products for use in such applications their own risk and agree to fully indemnify Philips for any damages resulting from such improper use or sale. September 1990 ). If the printed-circuit board has been pre-heated, forced cooling may stg max 21 Preliminary specification TDA2579B ...