TDA8841

Manufacturer Part NumberTDA8841
DescriptionI2C-bus controlled PAL/NTSC TV processor
ManufacturerPhilips Semiconductors
TDA8841 datasheet
 


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Page 41/68:

Control part

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Philips Semiconductors
2
I
C-bus controlled PAL/NTSC/SECAM TV
processors
NUMBER
PARAMETER

Control part

S
;
25
ATURATION CONTROL
NOTE
C.1.1
saturation control range
C
;
25
ONTRAST CONTROL
NOTE
C.2.1
contrast control range
C.2.2
tracking between the three
channels over a control range of
10 dB
B
RIGHTNESS CONTROL
C.3.1
brightness control range
RGB
(
19, 20
AMPLIFIERS
PINS
AND
C.4.1
output signal amplitude
(peak-to-peak value)
C.4.2
maximum signal amplitude
(black-to-white)
C.4.3
input signal amplitude (Y-input,
pin 27) at which the soft clipping
is activated
C.4.4
output signal amplitude for the
‘red’ channel (peak-to-peak
value)
C.4.5
nominal black level voltage
C.4.6
black level voltage
C.4.61
black level voltage control range VSD bit active; note 48
C.4.7
width of video blanking with HBL
bit active
C.4.8
control range of the
black-current stabilisation
C.4.9
blanking level
C.4.10
level during leakage
measurement
C.4.11
level during “low” measuring
pulse
C.4.12
level during “high” measuring
pulse
C.4.13
adjustment range of the ratio
between the amplitudes of the
RGB drive voltage and the
measuring pulses
C.4.14
variation of black level with
temperature
December 16, 1997
CONDITIONS
63 steps; see Fig.11
63 steps
see Fig.12
63 steps; see Fig.13
21)
at nominal luminance input
signal, nominal contrast and
white-point adjustment;
note 47
note 47
at nominal settings for
contrast and saturation
control and no luminance
signal to the input (R Y, PAL)
when black level stabilisation
is switched-off (via AKB bit)
note 49
difference with black level,
note 47
note 47
note 5
41
Tentative Device Specification
TDA884X/5X-N2 series
MIN.
TYP.
MAX.
UNIT
52
dB
18
dB
0.5
dB
0.7
V
tbf
2.0
tbf
V
tbf
V
tbf
V
tbf
2.1
tbf
V
2.4
V
2.5
V
1.8
2.5
3.2
V
14.4
14.7
15.0
s
1
V
-0.5
V
-0.1
V
0.25
V
0.38
V
3
dB
1.0
mV/K