TDA2579B datasheet(3/21 Pages) PHILIPS

номер детали	TDA2579B

подробное описание детали	Horizontal/vertical synchronization circuit

PDF	21 Pages

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производитель	PHILIPS [NXP Semiconductors]

домашняя страница	http://www.nxp.com

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3 / 21 page

September 1990

Philips Semiconductors

Preliminary speciﬁcation

Horizontal/vertical synchronization circuit

TDA2579B

QUICK REFERENCE DATA

PARAMETER

CONDITION

SYMBOL

MIN.

TYP.

MAX.

UNIT

Supply

Minimum required current for starting

horizontal oscillator and output stage

I16

6.2

−−

Main supply voltage

V10

−

Supply current

I10

−

Input signals

Sync pulse input amplitude

V5(p-p)

0.05

−

1.0

Horizontal ﬂyback pulse input current

I12

−

Vertical comparator input signal

Voltage AC

−

0.8

−

Voltage DC

−

Output signals

Horizontal output (open collector)

I11 =25mA

V11

−−

0.5

Vertical output stage driver

(emitter follower) I1 = 1.5 mA

−−

Sandcastle output levels

V17 burst-key

V17

9.8

−−

horizontal blanking

V17

−

4.5

−

vertical blanking

V17

−

2.5

−

Video transmitter identiﬁcation output stage

(open collector loaded with external resistor to

positive supply). No sync. pulse present

V13

−−

0.5

I13

−−

5mA

Sync pulse present

divider ratio

> 576

V13

−

V10

−

divider ratio

< 576

V13

−

7.65

−

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