STV2001
I
2
C SINGLE FREQUENCY DEFLECTION PROCESSOR
AND 120 MHz RGB PREAMPLIFIER
TARGET SPECIFICATION
FEATURES
Horizontal deflection
s
s
s
s
s
s
s
s
s
s
s
s
Single Frequency, Self Adaptive Oscillator.
TTL compatible positive going sync.
Chip does not accept sync on RGB or any video
signal.
I
2
C controlled: H-position, pin cushion,
keystone, parallelogram, side pin balance.
I
2
C controlled EW corner : top and bottom
corrections.
I
2
C controlled corner: top and bottom phase
corrections.
EW output
I
2
C controlled H-amplitude
DC controlled H-width breathing compensation
with I
2
C controlled gain (0.5x to 2x).
Xray shut-down on ABL, H output latch, reset by
power OFF/ON.
Soft start on H-duty.
Vertical ramp generator.
Wide range AGC loop.
TTL compatible positive going sync, no extra
pulses.
I
2
C controlled vertical position.
I
2
C controlled S linearity correction.
DC controlled height breathing compensation
with I
2
C controlled gain (0.5X TO 2X).
Vertical dynamic focus output with fixed
amplitude (1Vpp).
3-Channel 120MHz bandwidth video amplifier.
3.5ns typical rise and fall time at 2.5V
PP
.
I
2
C controlled individual RGB contrast
(8bit)>8db
I
2
C controlled overall brightness.
Activation of ABL results in contrast gain
decrease.
s
s
Gain window (1.5X) controlled by input pulse
and I
2
C. Pulse height controls the gain variation
from 1x to 1.5x.
0.514V typical video input signal for normal
display.
I
2
C controlled contrast (7bits) update during
vertical retrace time.
I
2
C interface (slave) 100kHz max.
All I
2
C controlled DAC are 7 bits, except RGB
gain.
Power on reset on 5 V (V
DD
).
5 V/10.5 V dual supply.
Max power consumption: 1.2W
I
2
C main features
s
s
s
Supply voltage & power
s
s
DESCRIPTION
The STV2001 is an I
2
C-controlled monolithic
integrated circuit assembled in a TQFP44 plastic
package. It combines both a deflection block
(horizontal and vertical, single frequency with very
powerful geometry correction) and a 120MHz
RGB pre-amplifier.
Vertical deflection
s
s
s
s
s
s
s
Video preamplifier
s
s
s
TQFP44/SLUG DOWN
ORDER CODE :
s
s
Version 1.2
May 2000
This is preliminary information on a new product now in development. Details are subject to change without notice.
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