TDA4887PS Datasheet, PDF (28/68 Pages) NXP Semiconductors – 160 MHz bus-controlled monitor video preamplifier

Philips Semiconductors
160 MHz bus-controlled monitor video
preamplifier
Product specification
TDA4887PS
handbook, full pagewidth
0
colour signal
amplitude
with respect to
maximum colour
signal amplitude
(dB)
−3
−6
− 12
MHB945
(1)
contrast
modulation
range
(2)
− 45
(3)
00H
20H
40H
60H
80H
A0H
C0H
E0H
FFH
contrast control data byte
(1) No contrast reduction.
(2) Partial contrast reduction by subcontrast, limiting or contrast modulation.
(3) Full contrast reduction by subcontrast, limiting or contrast modulation.
Fig.8 Contrast control characteristic with subcontrast, limiting or contrast modulation.
handbook, full pagewidth
96
OSD signal
amplitude
with respect to
maximum colour
signal amplitude
(%)
maximum OSD signal amplitude
maximum colour signal amplitude
(1)
MHB946
(2)
24
(3)
00H
0FH
OSD contrast control data byte
(1) No OSD contrast reduction.
(2) Partial OSD contrast reduction by subcontrast, limiting or contrast modulation.
(3) Full OSD contrast reduction by subcontrast, limiting or contrast modulation.
Fig.9 OSD contrast control characteristic with subcontrast, limiting or contrast modulation.
2001 Oct 19
28