STA541SA Datasheet, PDF (1/26 Pages) STMicroelectronics – 2 x 20 W dual bridge amplifier

Features
■ High output power capability
– 2x 20 W into 8 Ω at 17 V with 10% THD
– 2x 18 W into 4 Ω at 12 V with 10% THD
■ Minimum external components count:
– No bootstrap capacitors
– No Boucherot cells
– Internally fixed gain 26 dB
■ Standby function (CMOS compatible)
■ No audible pop during standby operations
■ Diagnostic facilities:
– Clip detector
– Output to ground short-circuit detector
– Output to supply short-circuit detector
– Soft short-circuit check at turn-on
– Thermal shutdown warning
Protection
■ Output AC/DC short circuit
■ Soft short-circuit check at turn-on
■ Thermal cutoff/limiter to prevent chip from
overheating
■ High inductive loads
■ ESD
STA541SA
2 x 20 W dual bridge amplifier
Datasheet − production data
Clipwatt15
Description
The STA541SA is a dual bridge, class-AB audio
amplifier designed for high quality sound
applications.
The amplifiers have outputs with integrated short-
circuit protection, thermal protection and
diagnostic functions.
The chip is housed in the 15-pin Clipwatt,
environmentally friendly, ECOPACK^® package.
Table 1. Device summary
Order code
Operating temp. range
Package
STA541SA
0 to 70 °C
Clipwatt15
Packaging
Tube
April 2012
This is information on a product in full production.
Doc ID 16988 Rev 2
1/26
www.st.com
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