參數(shù)資料
型號： 935224780112
廠商： NXP SEMICONDUCTORS
元件分類： 消費家電
英文描述： SPECIALTY CONSUMER CIRCUIT, PDIP56
封裝： 0.600 INCH, PLASTIC, SOT-400, SDIP-56
文件頁數(shù)： 33/75頁
文件大?。?/td> 522K
代理商： 935224780112
1997 Jul 01
39
Philips Semiconductors
Preliminary specication
I2C-bus controlled economy PAL/NTSC
and NTSC TV-processors
TDA837x family
VBW(max)(p-p)
maximum signal amplitude
(black-to-white)
note 45
2.6
V
VWP(max)(p-p)
maximum signal amplitude at
maximum white point setting
(peak-to-peak value)
3.6
V
Vred(p-p)
output signal amplitude for the
‘red’ channel at nominal settings
for contrast and saturation
control and no luminance signal
to the input (R
Y, PAL)
(peak-to-peak value)
tbf
2.1
tbf
V
blank
difference between blanking
level measuring pulse
0.7
0.8
0.9
V
tW(blank)
width of the video blanking pulse
when the HBL bit is active
TDA8375, TDA8377,
TDA8375A and
TDA8377A; note 46
14.4
14.7
15.0
s
Ibias
internal bias current of NPN
emitter follower output transistor
1.5
mA
Io
available output current
5
mA
Zo
output impedance
150
CRbl
control range of the black
current stabilization
at Vbl = 2.5 V and nominal
brightness and white-point
adjustment (with respect to
the measuring pulse)
±1V
Vbl
black level shift with picture
content
note 4
20
mV
Vo(4L)
output voltage of the 4-L pulse
after switch-on
4.2
V
bl(T)
variation of black level with
temperature
note 4
1.0
mV/K
bl
relative variation in black level
between the three channels
during variations of
note 4
supply voltage (
±10%)
nominal controls
20
mV
saturation (50 dB)
nominal contrast
20
mV
contrast (15 dB)
nominal saturation
20
mV
brightness (
±0.5 V)
nominal controls
20
mV
temperature (range 40
°C)
20
mV
S/N
signal-to-noise ratio of the
output signals
RGB input; note 47
60
dB
CVBS input; note 47
50
dB
Vr(p-p)
residual voltage at the RGB
outputs (peak-to-peak value)
at fosc
15
mV
at 2fosc plus higher
harmonics in RGB outputs
15
mV
SYMBOL
PARAMETER
CONDITIONS
MIN.
TYP.
MAX.
UNIT
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