TDA8366H datasheet(28/48 Pages) PHILIPS

28 / 48 page

January 1995

Philips Semiconductors

Objective speciﬁcation

I2C-bus controlled PAL/NTSC TV

processor

TDA8366

RGB AMPLIFIERS (CONTINUED)

CRbl

control range of the

black-current stabilization

nominal brightness and

white-point adjustment (with

respect to the measuring

pulse); Vblk = 2.5 V

−−±1V

Vbl

black level shift with picture

content

note 6

−−

output voltage of the 4-L pulse

after switch-on

−

4.2

−

∆bl/∆T

variation of black level with

temperature

note 6

−

1.0

−

mV/K

∆bl

relative variation in black level

between the three channels

during variations of

note 6

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 29

−−

CVBS input; note 29

−−

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 16); note 30

Ibias

bias current for the picture tube

cathode

−

−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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