tda4650 NXP Semiconductors, tda4650 Datasheet - Page 7

• Manufacturer Part Number: tda4650
• Description: Multistandard Colour Decoder, With Negative Colour Difference Output Signals
• Manufacturer: NXP Semiconductors

Philips Semiconductors
CHARACTERISTICS
All voltages are measured to GND (pin 11); V
signal); 4 s burst-blanking pulse and vertical blanking superimposed on super sandcastle pulse; T
measured in test circuit of Fig.1; unless otherwise specified.
March 1991
V
I
Chrominance part
V
R
C
Demodulator part (PAL/NTSC)
V
V
V
V
m
V
V
Z
Demodulator part (SECAM); note 1
V
V
V
V
P
SYMBOL
1,3
P
i(p-p)
1(p-p)
3(p-p)
1
1
1,3
1,3(p-p)
1(p-p)
3(p-p)
1,3
1,3(p p)
i
i
Multistandard colour decoder, with
negative colour difference output signals
/V
V
3
1
supply voltage range
supply current
input signal (pin 15)
(peak-to-peak value)
input resistance (pin 15)
input capacitance (pin 15)
colour difference (R Y) output
signal (peak-to-peak value)
colour difference (B Y) output
signal (peak-to-peak value)
ratio of colour difference signals
(R Y)/(B Y) for NTSC
ratio of PAL/NTSC signals
(R Y)
signal linearity
DC output level
H/2 ripple at CD outputs
residual carrier at CD outputs
(peak-to-peak value)
output impedance
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
residual carrier at CD outputs
(peak-to-peak value)
PAL
/(R Y)
PARAMETER
NTSC
P
= 12 V; chrominance input signal V
at nominal phase of hue
control
at nominal phase of hue
control
at nominal phase of hue
control
at nominal phase of
hue control
V
V
proportional to V
without colour bars
4.43 MHz
8.87 MHz
every second line blanked
every second line blanked
proportional to V
without colour bars every
second line blanked
4.43 MHz
8.87 MHz
1(p-p)
3(p-p)
CONDITIONS
= 0.8 V (R Y)
= 1.0 V (B Y)
7
P
P
10.8
50
20
7
0.42
0.53
0.75
0.8
0.8
6.3
0.83
1.06
6.3
15(p-p)
MIN.
= 100 mV (with 75 % colour bar
12.0
60
100
10
4
0.525
0.665
0.79
6.8
1.05
1.33
6.8
TYP.
Preliminary specification
amb
13.2
80
400
13
5
0.66
0.84
0.83
1
7.3
10
10
30
200
1.32
1.67
7.3
10
30
30
TDA4650
MAX.
= 25 C;
V
mA
mV
k
pF
V
V
dB
V
mV
mV
mV
V
V
V
mV
mV
mV
UNIT