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TDA4881 Datasheet(PDF) 9 Page - NXP Semiconductors

Part No. TDA4881
Description  Advanced monitor video controller
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Maker  PHILIPS [NXP Semiconductors]
Homepage  http://www.nxp.com
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 9 page
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November 1992
9
Philips Semiconductors
Preliminary specification
Advanced monitor video controller
TDA4881
Voltage outputs (pins 19, 16 and 13)
VO(b-w)
signal output voltage
(black-to-white value)
V3, 11 open; V6 = 4.5 V;
Vl(b-w) = 0.7 V
0.8
V
Vbl
black level voltage
during output clamping;
depending on black
level adjustment;
see note 4
0.3
1.0
V
during switch-off
0.1
0.3
V
S/N
signal-to-noise ratio
see note 5
−−
44
dB
Frequency response at voltage outputs
Gvf
gain decrease by frequency
response at pins 19, 16 and 13
70 MHz
−−−3dB
trO
rise time at voltage output
(pins 19, 16 and 13)
10% to 90% amplitude;
input rise time = 1 ns
4.5
5.0
ns
Current outputs (pins 20, 17 and 14)
lO(b-w)
signal current (black-to-white)
50
mA
with peaking; see note 6
−−
100
mA
V20-19, 17-16, 14-13 HF saturation of output transistors
IO =50mA
−−
2.0
V
IO = 100 mA
−−
2.2
V
Threshold voltages (see note 7)
V9
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
R9
input resistance referenced to ground
50
80
110
k
td9
delay between horizontal blanking
input and output signal blanking
35
60
ns
V10
threshold for vertical blanking
(blanking, no input clamping)
see Fig.4
1.2
1.4
1.6
V
threshold for clamping
(input clamping, no blanking)
see Fig.4
2.6
3.0
3.5
V
I10
input current
−3
−1
−µA
tr,f10
rise and fall time for clamping pulse
transition 1 to 3.5 V;
see Fig.4
−−
75
ns/V
tw10
clamping pulse width
V10 = 3 V
0.6
−−µs
td10
delay between vertical blanking input
and output signal blanking
see Fig.4
300
ns
SYMBOL
PARAMETER
CONDITIONS
MIN.
TYP.
MAX.
UNIT




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