TDA4566 datasheet(7/11 Pages) PHILIPS

7 / 11 page

March 1991

Philips Semiconductors

Preliminary speciﬁcation

Colour transient improvement circuit

TDA4566

Y-signal path

Y-input voltage

(composite signal)

capacitive

(peak-to-peak value)

coupling

V17(p-p)

−

0.45

0.62

Internal bias voltage

during clamping

V17-18

2.1

2.4

2.7

Input current

during picture content

I17

−

812

µA

during sync. pulse

−I

−

100

150

µA

Y-signal delay at pin 12

S1 open;

R14 = 1.2 kΩ;

notes 3 and 4

at V15−18 = 0 to 2.5 V

t17-18

490

550

610

at V15-18 = 3.5 to 5.5 V

t17-18

580

640

700

at V15−18 = 6.5 to 8.5 V

t17-18

670

730

790

at V15-18 = 9.5 to12 V

t17-18

760

820

880

Fine adjustment of Y-signal

delay for all 4 steps

S1 closed

t17-12

−

Signal delay between pin 11

and pin 12

S1 open

t11-12

160

180

200

Dependency of delay time

on temperature

−

0.001

−

K−1

on supply voltage

−−0.03

−

V−1

Input switching current

−I15

−

µA

Y-signal attenuation

f = 0.5 MHz

pin 11 from pin 17

V11/V17

−10

+1dB

pin 12 from pin 17

V12/V17

+2dB

Frequency response at

3 MHz referred to 0.5 MHz

note 5

pin 11

−

3.0

pin 12

−

3.0

PARAMETER

CONDITIONS

SYMBOL

MIN.

TYP.

MAX.

UNIT

–

∆

–

∆

•

------------------------------

–

∆

–

∆

•

-----------------------------

11 (3 MHz)

11 (0.5 MHz)

-------------------------------------

12 (3 MHz)

12 (0.5 MHz)

-------------------------------------

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