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TDA4882 Datasheet(PDF) 10 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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 10 page
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1997 Sep 04
10
Philips Semiconductors
Product specification
Advanced monitor video controller for OSD
TDA4882
∆Vo(b-w)(T)
variation of nominal output signal
(black-to-white value) with
temperature
pins 3 and 11 open-circuit;
Vi(CC) = 4.3 V; Vi(b-w) = 0.7 V;
Tamb = −20 to +70 °C
0
2.5
10
%
Current outputs (channels 1, 2 and 3); note 14
Io(b-w)
output current
(black-to-white value)
50
mA
with peaking
−−
100
mA
V20-19; V17-16;
V14-13
start of HF-saturation voltage of
output transistors
Io =50mA
−−
2.0
V
Io = 100 mA
−−
2.2
V
Ibl(SO)
output current during switch-off
Vi(HBL) =VP; RO =33 Ω
0
20
900
µA
Frequency response at voltage outputs; note 15; Figs 11, 12 and 13
∆G(f)
gain decrease by frequency
response
70 MHz; single channel
1.3
3
dB
tr(O)
rise time at voltage output
10% to 90% amplitude; input
rise time = 1 ns
4.1
5.0
ns
dVO
overshoot of output signal pulse
related to actual output pulse
amplitude
single channel;
input rise time = 2.5 ns;
Vi(b-w) = 0.7 V;
pins 3 and 11 open-circuit;
Vi(CC) = 4.3 V
48%
Crosstalk at voltage outputs with speed up circuit; note 16; Figs 14, 15 and 16
αct(tr)
transient crosstalk
−−−20
dB
Threshold voltages for clamping, blanking and switch-off; note 17
Vi(HBL)
threshold for horizontal blanking
(blanking, output clamping)
1.2
1.4
1.6
V
threshold for switch-off (blanking,
minimum black-level, no output
clamping)
5.8
6.5
6.8
V
Ri(HBL)
input resistance
against ground
50
80
110
k
td(Hblank)
delay between horizontal blanking
input and output signal blanking
input rise time at
pin 9 > 100 ns;
note 18; Fig.18
40
60
ns
Vi(CL)
threshold for vertical blanking
(blanking, no input clamping)
note 19; Fig.17
1.2
1.4
1.6
V
threshold for clamping
(input clamping, no blanking)
note 19; Fig.17
2.6
3.0
3.5
V
threshold for test mode
(no clamping, no blanking, see
Vbl(TST) above)
for test mode also
Vi(HBL) > 6.8 V (switch-off)
VP − 1 −
VP
V
Ii(CL)
current
Vi(CL) <VP − 1V
−3
−1
−µA
Vi(CL) ≥ VP − 1V
100
−µA
SYMBOL
PARAMETER
CONDITIONS
MIN.
TYP.
MAX.
UNIT




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