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STA540SAN Datasheet(PDF) 2 Page - STMicroelectronics

Part # STA540SAN
Description  4 x 10-watt dual/quad power amplifier
PDF  26 Pages
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Manufacturer  STMICROELECTRONICS [STMicroelectronics]
Direct Link  http://www.st.com
Logo STMICROELECTRONICS - STMicroelectronics

STA540SAN Datasheet(HTML) 2 Page - STMicroelectronics

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Contents
STA540SAN
2/26
Doc ID 18306 Rev 1
Contents
1
Block diagram . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 4
2
Pin description . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 5
3
Electrical specifications . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 6
3.1
Absolute maximum ratings . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 6
3.2
Thermal data . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 6
3.3
Electrical characteristics . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 6
4
Test and applications board . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 8
5
Standard applications circuits . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 11
6
Electrical characteristics curves . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 13
7
Thermal information . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 16
8
General structure . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 18
8.1
High application flexibility . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 18
8.2
Easy single-ended to bridge transition . . . . . . . . . . . . . . . . . . . . . . . . . . . 18
8.3
Internally fixed gain . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 18
8.4
Silent turn on/off and muting/standby functions . . . . . . . . . . . . . . . . . . . . 18
8.5
Standby driving (pin 7) . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 18
8.6
Output stage . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 19
8.6.1
Rail-to-rail output voltage swing with no need of bootstrap capacitors . 19
8.6.2
Absolute stability without any external compensation . . . . . . . . . . . . . . 19
8.7
Short-circuit protection . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 20
8.7.1
Diagnostic facilities (pin 10) . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 20
8.7.2
Thermal shutdown . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 21
8.8
Handling of the diagnostic information . . . . . . . . . . . . . . . . . . . . . . . . . . . 22
8.9
PCB-layout grounding (general rules) . . . . . . . . . . . . . . . . . . . . . . . . . . . 23
8.10
Mute function . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 23
9
Package mechanical data . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 24



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