TDA4885 Datasheet, PDF (12/56 Pages) NXP Semiconductors – 150 MHz video controller with I2C-bus

Philips Semiconductors
150 MHz video controller with I²C-bus
Product specification
TDA4885
SYMBOL
PARAMETER
CONDITIONS
MIN.
I₁₁
input current
V₁₁ = 0.8 V; note 7
pin 5 grounded; note 7
V₅ = −0.1 V; note 7
−3
−80
−250
Video signal inputs (channel 1: pin 6; channel 2: pin 8; channel 3: pin 10)
V_{i(b-w)6, 8, 10}
V_{I(clamp)6, 8, 10}
I_{I6, 8, 10}
Z_{i6, 8, 10}
C_{i6, 8, 10}
positive input signal referred to
black
DC voltage during input
clamping
DC input current
magnitude of signal input
impedance
input capacitance against
ground
note 9
no input clamping;
V_{I6, 8, 10} = V_{I(clamp)6, 8, 10};
T_amb = −20 to +70 °C
during input clamping;
V_{I6, 8, 10} = V_{I(clamp)6, 8, 10} ±0.7 V
f = 100 MHz;
V_{I(DC)6, 8, 10} = V_{I(clamp)6, 8, 10}
−
−
0.02
±110
500
−
Signal blanking
α_ct(bl)
t_d11(sig)l
t_d11(sig)t
crosstalk suppression from
input to output during blanking
delay between blanking input
(leading edge) and output
signal blanking
delay between blanking input
(trailing edge) and output
signal blanking
control bit DISV = 1; f = 80 MHz 20
control bit DISV = 1;
10
f = 135 MHz
see Fig.8
−
see Fig.8
−
Clipping (measured at signal outputs)
∆V_clipp
offset during sync clipping
V_{I6, 8, 10} = V_{I(clamp)6, 8, 10};
−
related to nominal colour signal note 10; see Fig.3
Contrast control; see Fig.9 and note 11
d_C
colour signal related to nominal 3FH (maximum)
−
colour signal
26H (nominal)
−
00H (minimum)
−
∆G_track
tracking of output colour
3FH to 00H; note 12
−
signals of channels 1, 2 and 3
TYP. MAX.
−0.4 −0.1
−60 −30
−200 −100
0.7 1.0
4
−
0.20 0.35
±150 ±190
−
−
−
3
30 −
15 −
55 −
25 −
12
4
−
0
−
−28 −
0.0 0.5
UNIT
µA
µA
µA
V
V
µA
µA
Ω
pF
dB
dB
ns
ns
%
dB
dB
dB
dB
1997 Nov 25
12