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Номер произв STA540SAN
Описание 4 x 10-watt dual/quad power amplifier
Производители STMicroelectronics
логотип STMicroelectronics логотип 



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STA540SAN Даташит, Описание, Даташиты
STA540SAN
4 x 10-watt dual/quad power amplifier
Features
„ High output-power capability:
– 4 x 9 W / 2 at 12 V, 1 kHz, 10%
– 4 x 10 W / 4 at 17 V, 1 kHz, 10%
)– 2 x 26 W / 4 at 14.4 V, 1 kHz, 10%
t(s– 2 x 15 W / 8 at 16 V, 1 kHz, 10%
c„ Minimum external component count:
du– No bootstrap capacitors
ro– No Boucherot cells
P– Internally fixed gain of 20 dB
te„ Standby function (CMOS compatible)
le„ No audible pop during standby operations
so„ Diagnostic facilities:
b– Clip detector
O– Out to GND short circuit
-– Out to VS short circuit
t(s)– Soft short at turn-on
– Thermal shutdown proximity
uc„ Protection for
rod– Output AC/DC short circuit
– Soft short circuit at turn-on
te PTable 1. Device summary
oleOrder code
Temperature range
ObsSTA540SAN
-40 to 150 °C
Clipwatt15
– Thermal cut-off limiter to prevent chip from
overheating
– High inductive loads
– ESD
Description
The STA540SAN contains four single-ended,
class-AB audio amplifiers assembled in a
Clipwatt15 package.
These amplifiers are used for high-quality sound
applications. Each amplifier has integrated
short-circuit and thermal protection and
diagnostic functions. Two amplifiers can be paired
up for applications requiring high power output.
Package
Clipwatt15
Packaging
Tube
December 2010
Doc ID 18306 Rev 1
1/26
www.st.com
26









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STA540SAN Даташит, Описание, Даташиты
Contents
Contents
STA540SAN
1 Block diagram . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 4
2 Pin description . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 5
3 Electrical specifications . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 6
3.1 Absolute maximum ratings . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 6
3.2 Thermal data . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 6
t(s)3.3 Electrical characteristics . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 6
uc4 Test and applications board . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 8
rod5 Standard applications circuits . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 11
lete P6 Electrical characteristics curves . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 13
bso7 Thermal information . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 16
) - O8 General structure . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 18
t(s8.1 High application flexibility . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 18
uc8.2 Easy single-ended to bridge transition . . . . . . . . . . . . . . . . . . . . . . . . . . . 18
rod8.3 Internally fixed gain . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 18
P8.4 Silent turn on/off and muting/standby functions . . . . . . . . . . . . . . . . . . . . 18
te8.5 Standby driving (pin 7) . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 18
le8.6 Output stage . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 19
so 8.6.1 Rail-to-rail output voltage swing with no need of bootstrap capacitors . 19
Ob 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
2/26 Doc ID 18306 Rev 1









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STA540SAN Даташит, Описание, Даташиты
STA540SAN
Contents
10 Revision history . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 25
Obsolete Product(s) - Obsolete Product(s)
Doc ID 18306 Rev 1
3/26










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