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TDA4651 Datasheet(PDF) 8 Page - NXP Semiconductors

Part # TDA4651
Description  Multistandard colour decoder with negative colour difference output signals
PDF  15 Pages
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Manufacturer  PHILIPS [NXP Semiconductors]
Direct Link  http://www.nxp.com
Logo PHILIPS - NXP Semiconductors

TDA4651 Datasheet(HTML) 8 Page - NXP Semiconductors

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August 1993
8
Philips Semiconductors
Preliminary specification
Multistandard colour decoder with negative
colour difference output signals
TDA4651
Hue control part
φ
phase shift of reference carrier relative to
phase at V17 =3 V
V17 =2V
−30
−40
−
deg
phase shift of reference carrier
V17 = 3 V
−
0
±5
deg
phase shift of reference carrier relative to
phase at V17 =3 V
V17 =4 V
30
40
−
deg
V17
internal bias voltage
see note 4
−
3
−
V
switching voltage for oscillator adjustment
burst OFF; colour ON
0
−
0.5
V
switching voltage for forced colour ON
hue OFF; colour ON
5.5
−
VP
V
R17
input resistance
4.25
5.0
5.75
k
Ω
Reference oscillator (PLL) (see note 5)
R19,21
input resistance
−
350
−Ω
C19,21
input capacitance
−−
10
pF
fc
catching range
at 4.43 MHz
±400
−−
Hz
at 3.57 MHz
±330
−−
Hz
Identification part (see note 6)
V25 to 28
switching voltages
control voltage OFF
state
−
0.05
0.5
V
control voltage ON
state; during scanning
2.35
2.45
2.55
V
control voltage ON
state; internal forced
5.6
5.8
6.0
V
control voltage ON
state; external forced
9.0
−
VP
V
I25 to 28
output currents
−−
−3mA
td
delay time for system hold
2
−
3
cycles
delay time for colour ON
2
−
3
cycles
delay time for colour OFF
0
−
1
cycles
ts
scanning time for each standard
see note 7
−
4
−
cycles
Super sandcastle pulse detector (see note 8)
V24
input pulse amplitude
7.7
−
VP
V
input voltage pulse levels to separate
V and H blanking pulses
pulse ON
1.3
1.6
1.9
V
pulse OFF
1.1
1.4
1.7
V
voltage pulse amplitude
2.0
2.5
3.0
V
input voltage pulse levels to separate
H blanking pulse
pulse ON
3.3
3.6
3.9
V
pulse OFF
3.1
3.4
3.7
V
voltage pulse amplitude
4.1
4.5
4.9
V
input voltage pulse levels to separate
burst gating pulse
pulse ON
6.2
6.6
7.0
V
pulse OFF
6.0
6.4
6.8
V
input voltage
during line scan
−−
1.0
V
I24
input current
during line scan
−−
−100
µA
SYMBOL
PARAMETER
CONDITIONS
MIN.
TYP.
MAX.
UNIT



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