TDA2579C View Datasheet(PDF) - Philips Electronics

Part Name

Description

Manufacturer

TDA2579C

Synchronization circuit with synchronized vertical divider system for 60 Hz

Philips Electronics 

Philips Semiconductors

Synchronization circuit with synchronized

vertical divider system for 60 Hz

Preliminary specification

TDA2579C

QUICK REFERENCE DATA

SYMBOL

PARAMETER

CONDITIONS

Supply

I16

minimum required current for starting

horizontal oscillator and output stage

V10

main supply voltage

I10

supply current

Input signals

V5-9

sync pulse input amplitude

I12

horizontal flyback pulse input current

V2

vertical comparator input voltage

AC (peak-to-peak value)

DC

Output signals

V11

horizontal output voltage

(open collector)

V1

vertical output stage driver

(emitter follower)

V17

sandcastle output voltage levels

burst key

horizontal blanking

vertical blanking

VIDEO TRANSMITTER IDENTIFICATION OUTPUT; note 1

V13

output voltage

I13

output current

V13

output voltage

I11 = 25 mA

I1 = 1.5 mA

no sync pulse present

no sync pulse present

sync pulse present;

divider ratio <576

Note

1. Open collector loaded with external resistor to positive supply.

MIN. TYP. MAX. UNIT

6.2

−

−

mA

−

12

−

V

−

70

−

mA

0.05 −

1

V

0.2

1

−

mA

−

0.8

−

V

−

1

−

V

−

−

0.5

V

5

−

−

V

9.8

−

−

V

−

4.5

−

V

−

2.5

−

V

−

−

0.32 V

−

−

5

mA

−

7.6

−

V

January 1994

3

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