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TDA2579C Scheda tecnica(PDF) 3 Page - NXP Semiconductors |
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TDA2579C Scheda tecnica(HTML) 3 Page - NXP Semiconductors |
3 / 24 page January 1994 3 Philips Semiconductors Preliminary specification Synchronization circuit with synchronized vertical divider system for 60 Hz TDA2579C QUICK REFERENCE DATA Note 1. Open collector loaded with external resistor to positive supply. SYMBOL PARAMETER CONDITIONS MIN. TYP. MAX. UNIT Supply I16 minimum required current for starting horizontal oscillator and output stage 6.2 −− mA V10 main supply voltage − 12 − V I10 supply current − 70 − mA Input signals V5-9 sync pulse input amplitude 0.05 − 1V I12 horizontal flyback pulse input current 0.2 1 − mA V2 vertical comparator input voltage AC (peak-to-peak value) − 0.8 − V DC − 1 − V Output signals V11 horizontal output voltage (open collector) I11 = 25 mA −− 0.5 V V1 vertical output stage driver (emitter follower) I1 = 1.5 mA 5 −− V V17 sandcastle output voltage levels burst key 9.8 −− V horizontal blanking − 4.5 − V vertical blanking − 2.5 − V VIDEO TRANSMITTER IDENTIFICATION OUTPUT; note 1 V13 output voltage no sync pulse present −− 0.32 V I13 output current no sync pulse present −− 5mA V13 output voltage sync pulse present; divider ratio <576 − 7.6 − V |
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