TDA9554PS datasheet(97/125 Pages) PHILIPS

97 / 125 page

2000 Jun 22

Philips Semiconductors

Tentative Device Speciﬁcation

TV signal processor-Teletext decoder with

embedded

µ-Controller

TDA955X/6X/8X PS/N1 series

C.4.131

gain control range to

compensate spreads in picture

tube characteristics for the

2-point black -current

stabilization system

−±6

−

C.4.14

variation of black level with

temperature

note 6

−

1.0

−

mV/K

C.4.141

black level off-set adjustment on

the Red and Green channel

63 steps

tbf

±160

tbf

C.4.15

relative variation in black level

between the three channels

during variations of

note 6

C.4.16

supply voltage (

±10%)

nominal controls

−−

tbf

C.4.17

saturation (50 dB)

nominal contrast

−−

tbf

C.4.18

contrast (20 dB)

nominal saturation

−−

tbf

C.4.19

brightness (

±0.5 V)

nominal controls

−−

tbf

C.4.20

temperature (range 40

°C)

−−

tbf

C.4.21

signal-to-noise ratio of the output

signals

RGB input; note 59

−−

C.4.22

CVBS input; note 59

−−

C.4.23

residual voltage at the RGB

outputs (peak-to-peak value)

at fosc

−−

C.4.24

at 2fosc plus higher harmonics −−

C.4.25

bandwidth of output signals

RGB input; at

−3 dB

tbf

−

MHz

C.4.26

CVBS input; at

−3 dB;

fosc = 3.58 MHz

−

2.8

−

MHz

C.4.27

CVBS input; at

−3 dB;

fosc = 4.43 MHz

−

3.4

−

MHz

C.4.28

S-VHS input; at

−3dB

−−

MHz

WHITE-POINT ADJUSTMENT

C.5.1

I2C-bus setting for nominal gain

HEX code

−

20H

−

C.5.2

adjustment range of the relative

R, G and B drive levels

AKB = 0

−

+2.2/-3.2

−

C.5.21

AKB = 1

−±1

−

2-POINT BLACK-CURRENT STABILIZATION, NOTES 60

C.6.1

amplitude of ‘low’ reference

current

−

−µA

C.6.2

amplitude of ‘high’ reference

current

−

−µA

C.6.3

acceptable leakage current

−±75

−µA

C.6.4

maximum current during scan

−

tbf

−

C.6.5

input impedance

during measuring pulses

−

200

−Ω

C.6.5

during scan

−

tbf

−

Ω

C.6.7

minimum input current to

activate the guard circuit

note 61

−

0.1

−

NUMBER

PARAMETER

CONDITIONS

MIN.

TYP.

MAX.

UNIT

TDA9554PS Datasheet(PDF) 97 Page - NXP Semiconductors

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