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SAA5281 Datasheet, PDF (9/48 Pages) NXP Semiconductors – Integrated Video input processor and Teletext decoder IVT1.8
Philips Semiconductors
Integrated Video input processor and
Teletext decoder (IVT1.8*)
Preliminary specification
SAA5281
LIMITING VALUES
In accordance with Absolute Maximum Rating System (IEC 134).
SYMBOL
PARAMETER
VDD
VI
VO
IO
IIOK
Tamb
supply voltage (all supplies)
input voltage (any input)
output voltage (any output)
output current (each output)
DC input or output diode current
operating ambient temperature
MIN.
−0.3
−0.3
−0.3
−
−
−20
MAX.
+6.5
VDD + 0.5
VDD + 0.5
±10
±20
+70
UNIT
V
V
V
mA
mA
°C
CHARACTERISTICS
VDD = 5 V ±10%; Tamb = −20 to +70 °C; pin numbers refer DIP48 package; unless otherwise specified.
SYMBOL
PARAMETER
CONDITIONS
MIN.
TYP.
MAX.
Supplies
VDD
IDDtot
supply voltage
total supply current
Inputs
4.5
5.0
5.5
−
75
150
CVBS
Vsync
Vburst(p-p)
td(sync)
∆td(sync)
Vvid(p-p)
Vdat(text)
∆f/f
Zsource
VI
ZI
CI
IREF
Rgnd
Vi
sync voltage amplitude
colour burst amplitude
(peak-to-peak value)
delay from CVBS to TCS
output from STTV buffer
(nominal video, average of
leading/trailing edge)
change in sync delay between
all black and all white video
input at nominal levels
video input voltage amplitude
(peak-to-peak value)
teletext data voltage amplitude
display PLL capture range
source impedance
input switching voltage level of
sync separator
input impedance
input capacitance
resistor to ground
input voltage
0.1
0.3
0.6
0.0
0.3
4.0
−150
0
+150
0
−
25
0.7
1.0
1.4
0.29
0.46
0.71
±7
−
−
−
−
250
1.7
2.0
2.3
2.5
5.0
−
−
−
10
−
27
−
−
0.5VDD −
UNIT
V
mA
V
V
ns
ns
V
V
%
Ω
V
kΩ
pF
kΩ
V
1996 Nov 04
9