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STMicroelectronics Electronic Components Datasheet

STV9556 Datasheet

7.5 ns TRIPLE-CHANNEL HIGH VOLTAGE VIDEO AMPLIFIER

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STV9556
7.5 NS TRIPLE-CHANNEL HIGH VOLTAGE VIDEO AMPLIFIER
FEATURES
s Triple-channel video amplifier
s Supply voltage up to 115 V
s 80V Output dynamic range
s Perfect for PICTURE BOOST application
requiring high video amplitude
s Pinning for easy PCB layout
s Supports DC coupling (optimum cost saving)
and AC coupling applications.
s Built-in Voltage Gain: 20 (Typ.)
s Rise and Fall Times: 7.5 ns (Typ.)
s Bandwidth: 50 MHz (Typ.)
s Very low stand-by power consumption
s Perfectly matched with the STV921x
preamplifiers
DESCRIPTION
The STV9556 is a triple-channel video amplifier
designed in a 120V-high voltage technology and
able to drive in DC-coupling mode the 3 cathodes
of a CRT monitor.
The STV9556 supports PICTURE BOOST
applications where video amplitude up to 50V or
PIN CONNECTIONS
above is required, ensuring a maximum quality of
the still pictures or moving video.
Perfecly matched with the STV921x ST
preamplifiers, it provides a highly performant and
very cost effective video system.
CLIPWATT 11
(Plastic Package)
ORDER CODE: STV9556
11 OUT1
10 OUT2
9 OUT3
8 GNDP
7 VDD
6 GNDS
5 GNDA
4 IN3
3 VCC
2 IN2
1 IN1
September 2003
Version 4.1
1/24
1


STMicroelectronics Electronic Components Datasheet

STV9556 Datasheet

7.5 ns TRIPLE-CHANNEL HIGH VOLTAGE VIDEO AMPLIFIER

No Preview Available !

Table of Contents
1 BLOCK DIAGRAM . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 3
2 PIN DESCRIPTION . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 3
3 ABSOLUTE MAXIMUM RATINGS . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 4
4 THERMAL DATA . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 4
5 ELECTRICAL CHARACTERISTICS . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 5
6 THEORY OF OPERATION . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 7
6.1 General . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 7
6.2 Output voltage . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 8
7 POWER DISSIPATION . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 9
8 TYPICAL PERFORMANCE CHARACTERISTICS . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 10
9 INTERNAL SCHEMATICS . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 11
10 APPLICATION HINTS . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 12
10.1 How to choose the high supply voltage value (VDD) in DC coupling mode . . . . . . . . . . 12
10.2 Arcing Protection: schematics . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 12
10.3 Arcing protection: layout and decoupling . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 13
10.4 Video response optimization: schematics in DC-coupling mode . . . . . . . . . . . . . . . . . . . 14
10.5 Video response optimization: outputs networks . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 15
10.6 Video response optimization: inputs networks . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 15
10.7 Video response optimization: layout and decoupling . . . . . . . . . . . . . . . . . . . . . . . . . . . . 15
10.8 AC - Coupling mode . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 16
10.9 Stand-by mode, spot suppression . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 17
10.10 Conclusion . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 18
11 PACKAGE MECHANICAL DATA . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 22
2
2/24
2


Part Number STV9556
Description 7.5 ns TRIPLE-CHANNEL HIGH VOLTAGE VIDEO AMPLIFIER
Maker ST Microelectronics
Total Page 24 Pages
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