TDA4884 Philips Semiconductors, TDA4884 Datasheet - Page 10

• Manufacturer Part Number: TDA4884
• Description: Advanced monitor video controller for OSD
• Manufacturer: Philips Semiconductors

Philips Semiconductors
1997 Nov 26
Current outputs (pins 20, 17 and 14); note 13
I
V
V
I
Frequency response at voltage outputs; note 14
t
dV
Crosstalk at voltage outputs with speed up circuit; note 15
Threshold voltages for clamping, blanking and switch-off (pins 9 and 10); note 16
V
R
V
I
t
t
t
o(b-w)
bl(SO)
r(O)
i(CL)
r(CL)
f(CL)
w(clamp)
G
20-19
17-16
cr(tr)
i(HBL)
i(CL)
i(HBL)
Three gain control video pre-amplifier for OSD
SYMBOL
O
(f)
;
; V
14-13
output current (black-to-white
value)
start of HF-saturation voltage of
output transistors
output current during switch-off
gain decrease by frequency
response at pins 19, 16 and 13
rise time at voltage output (pins 19,
16 and 13)
overshoot of output signal pulse
related to actual output pulse
amplitude
transient crosstalk
input voltage at pin HBL
input resistance
input voltage at pin CL
current
rise time for clamping pulse
fall time for clamping pulse
width of clamping pulse
threshold for horizontal blanking
(blanking, output clamping)
threshold for switch-off (blanking,
minimum black level, no output
clamping)
threshold for vertical blanking
(blanking, no input clamping)
threshold for clamping (input
clamping, no blanking)
threshold for test mode (no
clamping, no blanking, for
V
bl(TST)
see above)
PARAMETER
with peaking
I
I
V
70 MHz; single channel
10% to 90% amplitude;
input rise time = 1 ns
single channel;
input rise time = 2.5 ns;
V
V
and 11 open-circuit
against ground
note 17
note 17
for test mode also
V
V
V
note 17
note 17
o
o
i(HBL)
i(b-w)
i(CC)
i(HBL)
i(CL)
i(CL)
= 50 mA
= 100 mA
10
< V
= 4.3 V; pins 3, 1
= 0.7 V;
CONDITIONS
= V
> 6.8 V (switch-off)
V
P
P
P
; R
1 V
1 V
O
= 33
0
1.2
5.8
50
1.2
2.6
V
0.6
MIN.
3
P
1
50
20
1.3
4.1
4
1.4
6.5
80
1.4
3.0
100
1
TYP.
Product specification
100
2.0
2.2
900
3
5.0
8
1.6
6.8
110
1.6
3.5
V
75
75
TDA4884
MAX.
20
P
mA
mA
V
V
dB
ns
%
dB
V
V
k
V
V
V
ns/V
ns/V
UNIT
A
A
A
s