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TDA4884 Datasheet(PDF) 9 Page - NXP Semiconductors

Part No. TDA4884
Description  Advanced monitor video controller for OSD
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Maker  PHILIPS [NXP Semiconductors]
Homepage  http://www.nxp.com
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 9 page
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1997 Nov 26
9
Philips Semiconductors
Product specification
Three gain control video pre-amplifier for OSD
TDA4884
Gain control (pins 3, 1 and 11); note 6
Vi(GC)
input voltage
1.0
6.0
V
Vi(GC)(nom)
input voltage for nominal gain
pins 3, 1 and 11 open-circuit 3.6
3.75
3.95
V
Ri(GC)
input resistance
44
55
66
k
∆G
gain control difference relative to
nominal gain
Vi(CC) = 4.3 V; Vi(GC) = 6 V
2
2.6
3.3
dB
Vi(CC) = 4.3 V; Vi(GC) =1V
−5.5
−5
−4.5
dB
Feedback input (pins 18, 15 and 12); note 7
Vref(int)
internal reference voltage
5.6
5.8
6.1
V
IO(FB)(max)
maximum output current
during output clamping;
Vi(FB) =3V
−500
−100
−60
nA
∆V
bl(CRT)
black-level variation at CRT
note 8
0
40
200
mV
∆V
ref(T)
variation of Vref(int) in the
temperature range
Tamb = −20 to +70 °C
0
20
50
mV
∆V
ref(VP)
variation of Vref(int) with supply
voltage
7.2 V
≤ VP ≤ 8.8 V
0
60
100
mV
Voltage outputs (pins 19, 16 and 13); note 1
Vo(b-w)(nom)
nominal signal output voltage
(black-to-white value)
pins 3, 1 and 11
open-circuit; Vi(CC) = 4.3 V;
Vi(b-w) = 0.7 V
0.69
0.79
0.89
V
Vblx(max)
maximum adjustable black-level
voltage
during output clamping;
Tamb = −20 to +70 °C
1
1.2
1.4
V
Vbl(SO)
black-level voltage during
switch-off, equal to minimum
adjustable black-level voltage
Vi(HBL) =VP; RO =33 Ω;
Tamb = −20 to +70 °C
30
45
100
mV
Vbl(TST)
black-level voltage during test
mode
Vi(HBL) =VP; Vi(CL) =VP;
pin 1 open-circuit;
Vi =VI(clamp); note 9
0.3
0.7
1.2
V
Gnom
nominal gain (pins 2, 5 and 8 to
pins 19, 16 and 13)
nominal contrast; pins 3, 1
and 11 open-circuit
1
dB
B
bandwidth
−3dB
70
85
MHz
S/N
signal-to-noise ratio
note 10
50
44
dB
dO(th)
output thermal distortion
Io(b-w) = 50 mA; note 11
0.6
1
%
∆V
bl(fl)
black-level variation between
clamping pulses
line frequency = 30 kHz
0.5
4.5
mV
Voffset(max)
maximum offset during sync
clipping
Vi <VI(clamp); note 12
0
7
15
mV
∆V
o(b-w)(T)
variation of nominal output signal
(black-to-white value) with
temperature
pins 3, 1 and 11
open-circuit; Vi(CC) = 4.3 V;
Vi(b-w) = 0.7 V;
Tamb = −20 to +70 °C
0
2.5
10
%
SYMBOL
PARAMETER
CONDITIONS
MIN.
TYP.
MAX.
UNIT




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