TDA4887PS Datasheet, PDF (18/68 Pages) NXP Semiconductors – 160 MHz bus-controlled monitor video preamplifier

Philips Semiconductors
160 MHz bus-controlled monitor video
preamplifier
Product specification
TDA4887PS
SYMBOL
PARAMETER
CONDITIONS
MIN. TYP. MAX.
δV_o(n)
overshoot of output signal input rise time = 1 ns;
−
pulse related to actual
maximum colour signal
output pulse amplitude
(pins 22, 19 and 16)
−
10
undershoot of output signal input fall time = 1 ns;
−
pulse related to actual
maximum colour signal
output pulse amplitude
(pins 22, 19 and 16)
−
10
Crosstalk at signal outputs; channels 1, 2 and 3 (pins 22, 19 and 16)
α_ct(tr)(n)
α_ct(f)
transient crosstalk
suppression
(pins 22, 19 and 16)
input rise/fall time = 1 ns; 10
note 24
crosstalk suppression by f = 50 MHz; note 25
25
frequency
f = 100 MHz; note 25
10
−
−
−
−
−
−
Internal feedback reference voltage for DC coupling; see Fig.12 and note 26
V_ref(DC)
internal reference voltage for FFH; FPOL = 0; BRI = 0
3.7
negative feedback polarity _{00H; FPOL = 0; BRI = 0}
5.6
(without brightness control)
3.95 4.1
5.75 5.9
internal reference voltage for FFH; FPOL = 0; BRI = 1; 2.3
negative feedback polarity maximum brightness
(with brightness control, see _{00H; FPOL = 0; BRI = 1;}
5.6
also brightness control
minimum brightness
∆V_DA(n))
2.55 2.7
5.75 5.9
Output clamping, feedback inputs for DC coupling; FB/R₁, FB/R₂ and FB/R₃ (pins 23, 20 and 17)
I_FB/Rn(max)
maximum input current
(pins 23, 20 and 17)
during output clamping;
−500
V_HFB > 3.5 V; V_FB/Rn = 0.5 V;
FPOL = 0
−200 −60
V_{bl(n)(ref)(min)}
minimum reference black V_HFB > 3.5 V; FPOL = 0
0.01
level/minimum pedestal
black level
(pins 22, 19 and 16)
0.1 0.5
V_{bl(n)(ref)(max)}
maximum reference black V_HFB > 3.5 V; FPOL = 0
2.0
level/maximum pedestal
black level
(pins 22, 19 and 16)
2.8 4.0
∆V_bl(CRT)
∆V_bl(n)(lf)
black level variation at CRT FPOL = 0; note 27
−
black level decrease
FPOL = 0; f_line = 60 kHz;
−
between clamping pulses δ = 10%
related to maximum colour
signal (pins 22, 19 and 16)
−
200
0.1 −
UNIT
%
%
dB
dB
dB
V
V
V
V
nA
V
V
mV
%
2001 Oct 19
18