TDA4886A Ver la hoja de datos (PDF) - Philips Electronics
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TDA4886A Datasheet PDF : 52 Pages
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Philips Semiconductors
140 MHz video controller with I2C-bus
Product specification
TDA4886A
4 QUICK REFERENCE DATA
SYMBOL
PARAMETER
CONDITIONS
MIN. TYP. MAX. UNIT
VP
IP
VP1,2,3
IP1,2,3
Vi(b-w)
Vo(b-w)
Vo(b-w)(max)
Vo
Vbl(DC)
supply voltage (pin 7)
supply current (pin 7)
channel supply voltage (pins 21, 18 and 15)
channel supply current (pins 21, 18 and 15)
input voltage
(black-to-white value; pins 6, 8 and 10)
nominal output voltage swing
nominal contrast;
(black-to-white value; pins 22, 19 and 16) maximum gain
maximum output voltage swing
maximum contrast;
(black-to-white value; pins 22, 19 and 16) maximum gain
output voltage level (pins 22, 19 and 16)
typical reference black level for DC coupling control bit FPOL = 0
(pins 22, 19 and 16)
7.6 8.0 8.8 V
−
21 25
mA
7.6 8.0 8.8 V
−
21 25
mA
−
0.7 1.0 V
−
2.8 −
V
−
4.54 −
V
0.05 −
0.5 −
VP − 1 V
2.5 V
Vbl(AC)
typical reference black level for AC coupling control bit FPOL = 1 and
(pins 22, 19 and 16)
PEDST = 0
Io(sink)
Io(source)
B
tr(o)
peak output sink current
peak output source current
bandwidth
video rise time at signal outputs
(pins 22, 19 and 16)
BLH2 = 0; BLH1 = 0
−
BLH2 = 0; BLH1 = 1
−
BLH2 = 1; BLH1 = 0
−
BLH2 = 1; BLH1 = 1
−
during fast signal transients −
during fast signal transients −40
−3 dB (small signal)
−
−
0.77 −
1.01 −
1.25 −
1.49 −
−
20
−
−
165 −
2.8 −
V
V
V
V
mA
mA
MHz
ns
tf(o)
video fall time at signal outputs
(pins 22, 19 and 16)
−
3.8 −
ns
dVo
overshoot at signal outputs
(pins 22, 19 and 16)
minimum rise time
8
17 30
%
αct(f)
crosstalk suppression by frequency
f = 50 MHz
CC
contrast control related to nominal contrast
TRo
tracking of output signals for contrast
variation from maximum to minimum
25 −
−
dB
−28 −
+4.2 dB
−
0.0 0.5 dB
GC
gain control related to maximum gain
BC
brightness control (typical black level
voltage change related to nominal output
signal amplitude)
−7.3 −
−10 −
0
dB
+30 %
Vo(OSD)(max) maximum OSD output voltage swing related maximum OSD contrast; −
120 −
%
to nominal output voltage swing
maximum gain
(pins 22, 19 and 16)
COSD
OSD contrast control related to maximum
OSD contrast
−12 −
0
dB
1998 Dec 04
4
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