TDA4884 Datasheet, PDF (9/28 Pages) NXP Semiconductors – Advanced monitor video controller for OSD

Philips Semiconductors
Three gain control video pre-amplifier for OSD
Product specification
TDA4884
SYMBOL
PARAMETER
Gain control (pins 3, 1 and 11); note 6
V_i(GC)
V_i(GC)(nom)
R_i(GC)
∆G
input voltage
input voltage for nominal gain
input resistance
gain control difference relative to
nominal gain
Feedback input (pins 18, 15 and 12); note 7
V_ref(int)
I_O(FB)(max)
internal reference voltage
maximum output current
∆V_bl(CRT)
∆V_ref(T)
∆V_ref(VP)
black-level variation at CRT
variation of V_ref(int) in the
temperature range
variation of V_ref(int) with supply
voltage
Voltage outputs (pins 19, 16 and 13); note 1
V_o(b-w)(nom)
nominal signal output voltage
(black-to-white value)
V_blx(max)
V_bl(SO)
V_bl(TST)
maximum adjustable black-level
voltage
black-level voltage during
switch-off, equal to minimum
adjustable black-level voltage
black-level voltage during test
mode
G_nom
B
S/N
d_O(th)
∆V_bl(fl)
V_offset(max)
∆V_o(b-w)(T)
nominal gain (pins 2, 5 and 8 to
pins 19, 16 and 13)
bandwidth
signal-to-noise ratio
output thermal distortion
black-level variation between
clamping pulses
maximum offset during sync
clipping
variation of nominal output signal
(black-to-white value) with
temperature
CONDITIONS
MIN. TYP. MAX. UNIT
1.0
−
6.0
V
pins 3, 1 and 11 open-circuit 3.6
3.75 3.95 V
44
55
66
kΩ
V_i(CC) = 4.3 V; V_i(GC) = 6 V 2
2.6
V_i(CC) = 4.3 V; V_i(GC) = 1 V −5.5 −5
3.3
dB
−4.5 dB
during output clamping;
V_i(FB) = 3 V
note 8
T_amb = −20 to +70 °C
7.2 V ≤ V_P ≤ 8.8 V
5.6
5.8
6.1
V
−500 −100 −60 nA
0
40
200 mV
0
20
50
mV
0
60
100 mV
pins 3, 1 and 11
0.69 0.79 0.89 V
open-circuit; V_i(CC) = 4.3 V;
V_i(b-w) = 0.7 V
during output clamping;
1
1.2
1.4
V
T_amb = −20 to +70 °C
V_i(HBL) = V_P; R_O = 33 Ω;
30
45
100 mV
T_amb = −20 to +70 °C
V_i(HBL) = V_P; V_i(CL) = V_P;
0.3
0.7
1.2
V
pin 1 open-circuit;
V_i = V_I(clamp); note 9
nominal contrast; pins 3, 1 −
1
−
dB
and 11 open-circuit
−3 dB
70
85
−
MHz
note 10
−
50
44
dB
I_o(b-w) = 50 mA; note 11
−
0.6
1
%
line frequency = 30 kHz
−
0.5
4.5
mV
V_i < V_I(clamp); note 12
0
7
15
mV
pins 3, 1 and 11
0
open-circuit; V_i(CC) = 4.3 V;
V_i(b-w) = 0.7 V;
T_amb = −20 to +70 °C
2.5
10
%
1997 Nov 26
9