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TDA8303A Folha de dados(PDF) 10 Page - NXP Semiconductors

Nome de Peças TDA8303A
Descrição Electrónicos  Small signal combination IC for black/white TV
Download  21 Pages
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Fabricante Electrônico  PHILIPS [NXP Semiconductors]
Página de início  http://www.nxp.com
Logo PHILIPS - NXP Semiconductors

TDA8303A Folha de dados(HTML) 10 Page - NXP Semiconductors

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July 1992
10
Philips Semiconductors
Preliminary specification
Small signal combination IC for black/white TV
TDA8303
TDA8303A
SECOND CONTROL LOOP (POSITIVE EDGE)
control sensitivity
note 22
100
td
control range
25
−µs
PHASE ADJUSTMENT (VIA SECOND CONTROL LOOP)
control sensitivity
25
−µA/µs
α
maximum allowed phase shift
−±2
−µs
HORIZONTAL OSCILLATOR
ffr
free running frequency
R = 34.3 k
Ω;
C = 2.7 nF
15625
Hz
∆f
spread with fixed external components
−−
4%
∆ffr
frequency variations with supply voltage from
9.5 to 13.2 V
−−
2%
∆fT
frequency variation with temperature
note 25
−−1.6
Hz/
°C
∆f
fr
maximum frequency deviation at start of
horizontal output
−−
10
%
∆f
frequency variation when only noise is
received
note 25
−−
500
Hz
HORIZONTAL OUTPUT (PIN 26; OPEN COLLECTOR)
V26
output limiting voltage
−−
16.5
V
VOL
LOW level output voltage
Isink = 10 mA
0.2
0.5
V
Isink
maximum sink current
10
−−
mA
duty factor of output signal
46
%
tr
rise time of output pulse
260
ns
tf
fall time of output pulse
100
ns
HORIZONTAL FLYBACK INPUT (PIN 27)
I27
required input current during flyback pulse
0.01
1.0
mA
COINCIDENCE DETECTOR
V22
voltage for in-sync condition
9.8
V
V22
voltage for no-sync condition
no signal
1.5
V
V22
switching level to the phase detector from fast
to slow
6.2
6.7
7.2
V
V22
hysteresis slow to fast
0.6
V
V22
switching level to activate the mute function
(transmitter identification)
2.5
2.8
3.1
V
V22
hysteresis mute function
2
V
td
delay of mute release after transmitter
insertion
−−
300
µs
allowable load on pin 22
−−
10
µA
V22
external video mode
−−
0.7
V
I22
current at pin 22
V22 = 0 V
−−
0.8
mA
SYMBOL
PARAMETER
CONDITIONS
MIN.
TYP.
MAX.
UNIT
δt
d
δt
o
-------


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