TDA9550 datasheet(96/125 Pages) PHILIPS

96 / 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

Control part

SATURATION CONTROL; NOTE 32

C.1.1

saturation control range

63 steps; see Fig.33

−−

CONTRAST CONTROL; NOTE 32

C.2.1

contrast control range

63 steps; see Fig.34

−

C.2.2

tracking between the three

channels over a control range of

10 dB

−−

0.5

C.2.6

contrast reduction

−

BRIGHTNESS CONTROL

C.3.1

brightness control range

63 steps; see Fig.35

−±0.7

−

RGB AMPLIFIERS

C.4.1

output signal amplitude

(peak-to-peak value)

at nominal luminance input

signal, nominal settings for

contrast, white-point

adjustment and cathode drive

level(CL3-CL0 = 0111)

tbf

2.0

tbf

C.4.2

maximum signal amplitude

(black-to-white)

note 56

−

tbf

−

C.4.3

input signal amplitude

(CVBS/Y-input) at which the soft

clipping is activated

note 56

−

tbf

−

C.4.4

output signal amplitude for the

‘red’ channel (peak-to-peak

value)

at nominal settings for

contrast and saturation

control and no luminance

signal to the input (R

−Y, PAL)

tbf

2.1

tbf

C.4.5

nominal black level voltage

−

2.5

−

C.4.6

black level voltage

when black level stabilisation

is switched-off (via AKB bit)

−

2.5

−

C.4.61

black level voltage control range AVG bit active; note 57

1.8

2.5

3.2

C.4.71

timing of video blanking with

respect to mid sync (HBL = 1)

start of blanking; note 58

3.5

−

5.9

µs

C.4.72

end of blanking; note 58

7.8

−

10.2

µs

C.4.8

control range of the black-current

stabilisation

−±1

−

C.4.81

RGB output level when RGBL=1

−

tbf

−

C.4.9

blanking level

difference with black level,

note 56

−−0.5

−

C.4.10

level during leakage

measurement

−−0.1

−

C.4.11

level during ‘low’ measuring

pulse

−

0.25

−

C.4.12

level during ‘high’ measuring

pulse

−

0.5

−

C.4.13

adjustment range of the cathode

drive level

note 56

−±3

−

NUMBER

PARAMETER

CONDITIONS

MIN.

TYP.

MAX.

UNIT

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