參數(shù)資料
型號： 935224770557
廠商： NXP SEMICONDUCTORS
元件分類： 消費家電
英文描述： SPECIALTY CONSUMER CIRCUIT, PQFP64
封裝： PLASTIC, SOT-319, QFP-64
文件頁數(shù)： 30/75頁
文件大?。?/td> 522K
代理商： 935224770557
1997 Jul 01
36
Philips Semiconductors
Preliminary specication
I2C-bus controlled economy PAL/NTSC
and NTSC TV-processors
TDA837x family
S-CORRECTION
CR
control range
63 steps
0
30
%
VERTICAL EXPAND (ZOOM) MODE (TDA8375 AND TDA8377); note 38
Output current variation compared with nominal scan
Io
vertical expand factor
0.75
1.38
A
Io(lim)
output current limiting and RGB
blanking
1.08
A
Colour demodulation part
CHROMINANCE AMPLIFIER
CRACC
ACC control range
note 39
26
dB
VACC
change in amplitude of the
output signals over the ACC
range
2dB
thon
threshold colour killer ON
30
dB
hysoff
hysteresis colour killer OFF
at strong signal conditions;
S/N
≥ 40 dB; note 4
+3
dB
at noisy input signals;
note 4
+1
dB
ACL CIRCUIT; note 40
chrominance burst ratio at which
the ACL starts to operate
3.0
REFERENCE PART
Phase-locked loop; note 41
fcr
frequency catching range
±360
±600
Hz
phase shift for a
±400 Hz
deviation of the oscillator
frequency
note 4
2
deg
Oscillator
TCosc
temperature coefcient of the
oscillator frequency
note 4
2.0
2.5
Hz/K
fosc
oscillator frequency deviation
with respect to the supply
VP =8V ±10%; note 4
250
Hz
Rneg(min)
minimum negative resistance
1k
CL(max)
maximum load capacitance
15
pF
HUE CONTROL
CRhue
hue control range
63 steps
±35
±40
deg
hue control curve
see Fig.10
SYMBOL
PARAMETER
CONDITIONS
MIN.
TYP.
MAX.
UNIT
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參數(shù)描述
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