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TDA4882 Datasheet(PDF) 8 Page - NXP Semiconductors

Part No. TDA4882
Description  Advanced monitor video controller for OSD
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Maker  PHILIPS [NXP Semiconductors]
Homepage  http://www.nxp.com
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 8 page
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1997 Sep 04
8
Philips Semiconductors
Product specification
Advanced monitor video controller for OSD
TDA4882
10 CHARACTERISTICS
VP = 8.0 V; Tamb =25 °C; all voltages measured to GND (pin 4); note 1; see Fig.4; unless otherwise specified.
SYMBOL
PARAMETER
CONDITIONS
MIN.
TYP.
MAX.
UNIT
VP
supply voltage
7.2
8.0
8.8
V
IP
supply current
36
48
60
mA
Video signal inputs (channels 1, 2 and 3)
Vi(b-w)
input voltage, black-to-white
0.7
1.0
V
VI(clamp)
DC voltage during input clamping
(artificial black + VBE)
2.8
3.1
3.4
V
II
DC input current
no clamping; Vi =VI(clamp);
Tamb = −20 to +70 °C
−0.05 +0.05 +0.25
0
µA
during clamping;
Vi =VI(clamp) + 0.7 V
50
75
120
µA
during clamping;
Vi =VI(clamp) − 0.7 V
−120
−75
−50
µA
Brightness control; note 2; Fig.5
Vi(BC)
input voltage
1.0
6.0
V
Ri(BC)
input resistance
40
50
60
k
Vi(BC)(nom)
input voltage for nominal brightness pin 1 open-circuit
2.0
2.25
2.5
V
∆Vbl
black-level voltage change at
voltage outputs referred to
reference black level during output
clamping (Vi(HBL) > 1.6 V) related
to output signal amplitude with
nominal 0.7 V (p-p) input signal and
nominal contrast (Vi(CC) = 4.3 V) for
any gain setting
Vi(BC) = 1.0 V
−13
−11
−9.5
%
Vi(BC) = 6.0 V
303437%
pin 1 open-circuit
−−
0.8
%
∆VBT
difference of
∆Vbl between any two
channels
−1.2
0
+1.2
%
Contrast control; note 3; Fig.6
Vi(CC)
input voltage
1.0
6.0
V
Vi(CC)(max)
maximum input voltage
−−
VP − 1V
Vi(CC)(nom)
input voltage for nominal contrast
note 4
4.3
V
Ii(CC)
input current
Vi(CC) = 4.3 V
−5
−1
−0.1
µA
C/Cnom
contrast relative to nominal contrast Vi(CC) = 6.0 V;
pins 3 and 11 open-circuit
2.4
3.4
dB
Vi(CC) = 1.0 V;
pins 3 and 11 open-circuit
−26
−22
−19
dB
Vi(CC)(min)
input voltage for minimum contrast
pins 3 and 11 open-circuit
0.7
V
∆G
track
tracking of output signals of
channels 1, 2 and 3
1V<Vi(CC) < 6 V; note 5
0
0.5
dB
tdf(C)
delay between leading (falling)
edges of contrast voltage and
voltage output waveforms
Vi(CC) = 4.3 V to 0.7 V;
input fall time at pin 6:
tf(CC) = 2 ns; note 6; Fig.10
720
ns




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