TDA4691T datasheet(11/26 Pages) PHILIPS

부품명	TDA4691T

상세설명	Sync Processor with Clock SPC

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제조업체	PHILIPS [NXP Semiconductors]

홈페이지	http://www.nxp.com

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11 / 26 page

September 1993

11

Philips Semiconductors

Preliminary speciﬁcation

Sync Processor with Clock (SPC)

TDA4691

t3

time relation between pin 20 and

blanking

see Fig.9

3.5

4.0

4.5

µs

t4

H-blanking time

see Fig.9

−

11.8

−µs

t5

start time H-pulse pin 20 to stop time

burstkey pin 6; 50 Hz

H-sync = 4.7

µs;

see Fig.9

8.0

9.0

9.7

µs

t5

start time H-pulse pin 20 to stop time

burstkey pin 6; 60 Hz

see Fig.9

7.5

8.6

9.2

µs

t6

V-blanking pulse; 50 Hz

−−2.5 to

+22.5

−

lines

t6

V-blanking pulse; 60 Hz

−−3.0 to

+17

−

lines

Integration (pin 5)

V5

no TV signal

see Fig.16

0

−

2V

TV signal

see Fig.16

4

−−

V

V5

slow time constant on

5

−

6.2

V

Signal identiﬁcation (pin 4; open collector via R4 to V19 or V12)

V4

voltage pin 4, if no signal is identiﬁed

I4 = 1 mA

0

−

0.3

V

I4 = 5 mA

0

0.2

0.8

V

V4

voltage pin 4, if signal is identiﬁed

−−

V19

V

I4

leakage current

−−

50

µA

Integration (pin 2; see Fig.15)

V2

no signal at pin 20

−

1.5

−

V

V2

noise at input pin 20

−

3

−

V

V2

switching T3 to T1 (delay 7 ﬁelds)

−

2.5

−

V

V2

switching T3 to T1

(noise and signal at input pin 20)

−

2.5

−

V

V2

release V-divider

−

4

−

V

hysteresis

−−0.2

−

V

V2

release time constant normal (T2)

signal identiﬁcation at pin 4

−

5

−

V

hysteresis

−−0.2

−

V

V2

release noise detector

−

6.5

−

V

SYMBOL

PARAMETER

CONDITIONS

MIN.

TYP.

MAX.

UNIT

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