TDA8376 datasheet(27/44 Pages) PHILIPS

27 / 44 page

1996 Jan 26

Philips Semiconductors

Objective speciﬁcation

I2C-bus controlled PAL/NTSC TV processors

TDA8376; TDA8376A

Vbl

black level shift with picture content

note 2

−−

output voltage of the 4-L pulse after

switch-on

−

4.2

−

∆bl/∆T

variation of black level with

temperature

note 2

−

1.0

−

mV/K

∆bl

relative variation in black level

between the three channels during

variations of

note 2

supply voltage (

±10%)

nominal controls

−−

tbf

saturation (50 dB)

nominal contrast

−−

tbf

contrast (20 dB)

nominal saturation

−−

tbf

brightness (

±0.5 V)

nominal controls

−−

tbf

temperature (range 40

°C)

−−

tbf

S/N

signal-to-noise ratio of the output

signals

RGB input; note 24

−−

CVBS input; note 24

−−

Vres(p-p)

residual voltage at the RGB outputs

(peak-to-peak value)

at fosc

−−

at 2fosc plus higher

harmonics in RGB outputs

−−

bandwidth of output signals

RGB input; at

−3dB

−−

MHz

CVBS input; at

−3 dB;

fosc = 3.58 MHz

−

2.8

−

MHz

CVBS input; at

−3 dB;

fosc = 4.43 MHz

−

3.5

−

MHz

S-VHS input; at

−3dB

−−

MHz

WHITE-POINT ADJUSTMENT

I2C-bus setting for nominal gain

HEX code

−

20H

−

Ginc(max)

maximum increase of the gain

HEX code 3FH

Gdec(max)

maximum decrease of the gain

HEX code 00H

BLACK-CURRENT STABILIZATION (PIN 18); note 25

Ibias

bias current for the picture tube

cathode

nominal white point setting

−

−µA

Ileak

acceptable leakage current

−

100

−µA

Iscan(max)

maximum current during scan

−

0.3

−

SYMBOL

PARAMETER

CONDITIONS

MIN.

TYP.

MAX.

UNIT

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