TDA8376 datasheet(24/44 Pages) PHILIPS

24 / 44 page

1996 Jan 26

Philips Semiconductors

Objective speciﬁcation

I2C-bus controlled PAL/NTSC TV processors

TDA8376; TDA8376A

VERTICAL EXPANSION (ZOOM) MODE (TDA8376A ONLY); note 18

Output current variation compared with nominal scan:

VEF

vertical expansion factor

0.75

−

1.38

output current limiting and RGB

blanking

−

1.06

−

Colour demodulation part

CHROMINANCE AMPLIFIER

ACCcr

ACC control range

note 19

−−

∆V

variation in amplitude of the output

signals over the ACC range

−−

2dB

THRon

threshold colour killer ON

−23

−26

−29

HYSoff

hysteresis colour killer OFF

strong signal conditions;

S/N

≥ 40 dB; note 2

−

noisy input signals; note 2

−

REFERENCE PART

Phase-locked loop; note 20

fCR

frequency catching range

±360

±600

−

∆ϕ

phase shift for a

±400 Hz deviation

of the oscillator frequency

note 2

−−

deg

Oscillator

TCosc

temperature coefﬁcient of the

oscillator frequency

note 2

−−

tbf

Hz/K

∆f

osc

oscillator frequency deviation with

respect to the supply

note 2; VP =8V ±10%

−−

tbf

Ri(min)

minimum negative input resistance

−−

Ω

CL(max)

maximum load capacitance

−−

HUE CONTROL

HUEcr

hue control range

63 steps; see Fig.6

±35

±40

−

deg

∆HUE

hue variation for

±10% V

note 2

−

deg

∆HUE/∆T

hue variation with temperature

Tamb = 0 to 70 °C; note 2

−

deg

SYMBOL

PARAMETER

CONDITIONS

MIN.

TYP.

MAX.

UNIT

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