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STV9553
10.5 ns TRIPLE-CHANNEL HIGH VOLTAGE VIDEO AMPLIFIER
FEATURES
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Triple-channel video amplifier Supply voltage up to 115 V 80V Output dynamic range Perfect for PICTURE BOOST application requiring high video amplitude Pinning for easy PCB layout Supports DC coupling (optimum cost saving) and AC coupling applications. Built-in Voltage Gain: 20 (Typ.) Bandwidth: 33 MHz (Typ.) Very low stand-by power consumption Perfectly matched with the STV921x preamplifiers
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.
DESCRIPTION
The STV9553 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 STV9553 supports PICTURE BOOST applications where video amplitude up to 50V or
CLIPWATT 11 (Plastic Package) ORDER CODE: STV9553
PIN CONNECTIONS
11 10 9 8 7 6 5 4 3 2 1 OUT1 OUT2 OUT3 GNDP VDD GNDS GNDA IN3 VCC IN2 IN1
Version 4.1
September 2003 1/24
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Table of Contents
1 2 3 4 5 6 BLOCK DIAGRAM . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 3 PIN DESCRIPTION . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 3 ABSOLUTE MAXIMUM RATINGS . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 4 THERMAL DATA . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 4 ELECTRICAL CHARACTERISTICS . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 5 THEORY OF OPERATION . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 7 6.1 6.2 7 8 9 General . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 7 Output voltage . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 8
POWER DISSIPATION . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 9 TYPICAL PERFORMANCE CHARACTERISTICS . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 10 INTERNAL SCHEMATICS . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 11
10 APPLICATION HINTS . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 12 10.1 10.2 10.3 10.4 10.5 10.6 10.7 10.8 10.9 10.10 How to choose the high supply voltage value (VDD) in DC coupling mode . . . . . . . . 12 Arcing Protection: schematics . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 12 Arcing protection: layout and decoupling . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 13 Video response optimization: schematics in DC-coupling mode . . . . . . . . . . . . . . . . . 14 Video response optimization: outputs networks . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 15 Video response optimization: inputs networks . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 15 Video response optimization: layout and decoupling . . . . . . . . . . . . . . . . . . . . . . . . . . 15 AC - Coupling mode . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 16 Stand-by mode, spot suppression . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 17 Conclusion . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 18
11 PACKAGE MECHANICAL DATA . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 22
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STV9553
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BLOCK DIAGRAM
OUT1 GNDP 11 8
OUT2 10
OUT3 9
STV9553
VDD VDD 7 GNDP VDD GNDP
VCC 3
VREF 6 GNDS 1 5 2 IN2 4 IN3
IN1 GNDA
2
PIN DESCRIPTION
Pin 1 2 3 4 5 6 7 8 9 10 11 Name IN1 IN2 VCC IN3 GNDA GNDS VDD GNDP OUT3 OUT2 OUT1 Video Input (channel 1) Video Input (channel 2) Low Supply Voltage Video Input (channel 3) Ground Analog Ground Substrat High Supply Voltage Ground Power Video output (channel 3) Video output (channel 2) VIdeo output (channel 1) Function
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STV9553
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ABSOLUTE MAXIMUM RATINGS
Symbol VDD VCC VESD IOD IOG VIN Max VIN Min TJ TSTG High supply voltage Low supply voltage ESD susceptibility Human Body Model (100pF discharged through 1.5KΩ) EIAJ norm (200pF discharged through 0Ω) Output source current (pulsed < 50µs) Output sink current (pulsed < 50µs) Maximum Input Voltage Minimum Input Voltage Junction Temperature Storage Temperature Parameter Value 120 16.5 2 300 80 .