TDA4882 Datasheet, PDF (8/28 Pages) NXP Semiconductors – Advanced monitor video controller for OSD

Philips Semiconductors
Advanced monitor video controller for OSD
Product specification
TDA4882
10 CHARACTERISTICS
V_P = 8.0 V; T_amb = 25 °C; all voltages measured to GND (pin 4); note 1; see Fig.4; unless otherwise specified.
SYMBOL
PARAMETER
CONDITIONS
MIN. TYP. MAX. UNIT
V_P
supply voltage
I_P
supply current
Video signal inputs (channels 1, 2 and 3)
7.2 8.0 8.8 V
36
48
60
mA
V_i(b-w)
V_I(clamp)
I_I
input voltage, black-to-white
DC voltage during input clamping
(artificial black + V_BE)
DC input current
Brightness control; note 2; Fig.5
no clamping; V_i = V_I(clamp);
T_amb = −20 to +70 °C
during clamping;
V_i = V_I(clamp) + 0.7 V
during clamping;
V_i = V_I(clamp) − 0.7 V
−
0.7 1.0 V
2.8 3.1 3.4 V
−0.05 +0.05 +0.25 µA
0
50
75
120 µA
−120 −75 −50 µA
V_i(BC)
R_i(BC)
V_i(BC)(nom)
∆V_bl
∆V_BT
input voltage
input resistance
input voltage for nominal brightness pin 1 open-circuit
black-level voltage change at
voltage outputs referred to
reference black level during output
clamping (V_i(HBL) > 1.6 V) related
to output signal amplitude with
nominal 0.7 V (p-p) input signal and
nominal contrast (V_i(CC) = 4.3 V) for
any gain setting
V_i(BC) = 1.0 V
V_i(BC) = 6.0 V
pin 1 open-circuit
difference of ∆V_bl between any two
channels
1.0 −
6.0 V
40
50
60
kΩ
2.0 2.25 2.5 V
−13 −11 −9.5 %
30
34
37
%
−
−
0.8 %
−1.2 0
+1.2 %
Contrast control; note 3; Fig.6
V_i(CC)
V_i(CC)(max)
V_i(CC)(nom)
I_i(CC)
C/C_nom
V_i(CC)(min)
∆G_track
t_df(C)
input voltage
maximum input voltage
input voltage for nominal contrast note 4
input current
V_i(CC) = 4.3 V
contrast relative to nominal contrast V_i(CC) = 6.0 V;
pins 3 and 11 open-circuit
V_i(CC) = 1.0 V;
pins 3 and 11 open-circuit
input voltage for minimum contrast pins 3 and 11 open-circuit
tracking of output signals of
channels 1, 2 and 3
1 V < V_i(CC) < 6 V; note 5
delay between leading (falling)
edges of contrast voltage and
voltage output waveforms
V_i(CC) = 4.3 V to 0.7 V;
input fall time at pin 6:
t_f(CC) = 2 ns; note 6; Fig.10
1.0 −
6.0 V
−
−
V_P − 1 V
−
4.3 −
V
−5
−1
−0.1 µA
2.4 3.4 −
dB
−26 −22 −19 dB
−
0.7 −
V
−
0
0.5 dB
−
7
20
ns
1997 Sep 04
8