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TDA4650WP Fiches technique(PDF) 7 Page - NXP Semiconductors

No de pièce TDA4650WP
Description  Multistandard colour decoder, with negative colour difference output signals
Download  13 Pages
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Fabricant  PHILIPS [NXP Semiconductors]
Site Internet  http://www.nxp.com
Logo PHILIPS - NXP Semiconductors

TDA4650WP Fiches technique(HTML) 7 Page - NXP Semiconductors

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March 1991
7
Philips Semiconductors
Preliminary specification
Multistandard colour decoder, with
negative colour difference output signals
TDA4650
CHARACTERISTICS
All voltages are measured to GND (pin 11); VP = 12 V; chrominance input signal V15(p-p) = 100 mV (with 75 % colour bar
signal); 4
µs burst-blanking pulse and vertical blanking superimposed on super sandcastle pulse; T
amb =25 °C;
measured in test circuit of Fig.1; unless otherwise specified.
SYMBOL
PARAMETER
CONDITIONS
MIN.
TYP.
MAX.
UNIT
VP
supply voltage range
10.8
12.0
13.2
V
IP
supply current
50
60
80
mA
Chrominance part
Vi(p-p)
input signal (pin 15)
(peak-to-peak value)
20
100
400
mV
Ri
input resistance (pin 15)
7
10
13
k
Ci
input capacitance (pin 15)
45pF
Demodulator part (PAL/NTSC)
V1(p-p)
colour difference
−(R−Y) output
signal (peak-to-peak value)
at nominal phase of hue
control
0.42
0.525
0.66
V
V3(p-p)
colour difference
−(B−Y) output
signal (peak-to-peak value)
at nominal phase of hue
control
0.53
0.665
0.84
V
V1/V3
ratio of colour difference signals
(R
−Y)/(B−Y) for NTSC
at nominal phase of hue
control
0.75
0.79
0.83
V1/V1
ratio of PAL/NTSC signals
(R
−Y)PAL/(R−Y)NTSC
at nominal phase of
hue control
−−
1dB
m
signal linearity
V1(p-p) = 0.8 V − (R−Y)
0.8
−−
V3(p-p) = 1.0 V − (B−Y)
0.8
−−
V1,3
DC output level
proportional to VP
6.3
6.8
7.3
V
H/2 ripple at CD outputs
without colour bars
−−
10
mV
V1,3(p-p)
residual carrier at CD outputs
(peak-to-peak value)
4.43 MHz
−−
10
mV
8.87 MHz
−−
30
mV
Z1,3
output impedance
−−
200
Demodulator part (SECAM); note 1
V1(p-p)
colour difference
−(R−Y) output
signal (peak-to-peak value)
every second line blanked
0.83
1.05
1.32
V
V3(p-p)
colour difference
−(B−Y) output
signal (peak-to-peak value)
every second line blanked
1.06
1.33
1.67
V
V1,3
DC output level
proportional to VP
6.3
6.8
7.3
V
H/2 ripple at CD outputs
without colour bars every
second line blanked
−−
10
mV
V1,3(p−p)
residual carrier at CD outputs
(peak-to-peak value)
4.43 MHz
−−
30
mV
8.87 MHz
−−
30
mV


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