TDA4651WP 데이터 시트보기 (PDF) - Philips Electronics
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TDA4651WP
Philips Electronics
TDA4651WP Datasheet PDF : 15 Pages
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Philips Semiconductors
Multistandard colour decoder with negative
colour difference output signals
Preliminary specification
TDA4651
CHARACTERISTICS
All voltages are measured to GND (pin 11); VP = 12 V; chrominance input signal V15(p−p) = 200 mV (with 75% colour bar
signal); Tamb = +25 °C; measured in test circuit of Fig.1; unless otherwise specified
SYMBOL
PARAMETER
CONDITIONS
MIN. TYP. MAX. UNIT
VP
positive supply voltage
IP
supply current
10.8 12
50
60
13.2 V
80
mA
Chrominance part
Vi(p−p)
RI
CI
input signal range (pin 15)
(peak-to-peak value)
input resistance (pin 15)
input capacitance (pin 15)
see note 1
20
200 400 mV
8.5 10
−
4
11.5 kΩ
5
pF
Demodulator part (PAL/NTSC)
V1(p−p)
colour difference −(R−Y) output signal
(peak-to-peak value)
V3(p−p)
colour difference −(B−Y) output signal
(peak-to-peak value)
V1/V3
V1/V1
m
spread of ratio of colour difference
signals (R-Y)/(B-Y)
spread of signal ratio PAL/NTSC
signal linearity
V1,3
V1, 3(p−p)
Z1,3
DC output level
H/2 ripple at CD outputs
residual carrier at CD outputs
(peak-to-peak value)
output impedance
see note 2
PAL
442 525 624 mV
NTSC
370 440 523 mV
see note 2
PAL
559 665 791 mV
NTSC
468 557 662 mV
at nominal phase of
−
−
±5
%
hue control
at nominal phase of
−
−
±1
dB
hue control
V1(p−p) = 0.8 V −(R−Y) 0.8
−
−
V3(p−p) = 1.0 V −(B−Y) 0.8
−
−
proportional to VP
6.3 6.8 7.3
V
without colour bars
−
−
10
mV
4.43 MHz
−
−
10
mV
8.87 MHz
−
−
30
mV
−
−
200 Ω
Demodulator part (SECAM) (see note 3)
V1(p−p)
V3(p−p)
V1, 3
colour difference −(R−Y) output signal
(peak-to-peak value)
colour difference −(B−Y) output signal
(peak-to-peak value)
DC output level
H/2 ripple at CD outputs
V1,3(p-p)
∆V1,3/∆VP
∆V1/∆T
∆V3/∆T
residual carrier at CD outputs
(peak-to-peak value)
shift of demodulated fo levels relative to
blanking level
every second line
blanked
every second line
blanked
proportional to VP
without colour bars;
every second line
blanked
4.43 MHz
8.87 MHz
with supply voltage
with temperature
0.88 1.05 1.25 V
1.12 1.33 1.58 V
6.3 6.8 7.3
V
−
−
10
mV
−
−
30
mV
−
−
30
mV
−
−
3
mV/V
−
0.16 −
mV/K
−
−0.25 −
mV/K
August 1993
7
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