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STA543SA
24W x 1 + 7W x 2
Triple Amplifier with DC Volume Control
PRELIMINARY DATA
Features
■ OUTPUT POWER CAPABILITY
24W x 1 + 7W x 2 @ VCC = 15V, RL = 4Ω,
THD = 10%
■ LINEAR DC VOLUME CONTROL FOR EACH
SINGLE CHANNEL
Clipwatt 19
■ MINIMUM EXTERNAL COMPONENTS
COUNT:
– NO BOOTSTRAP CAPACITORS
– NO BOUCHEROT CELLS
■ OVERRATING CHIP TEMPERATURE WITH
SOFT THERMAL LIMITER
– INTERNALLY FIXED GAIN (20dB SE,
■ VERY INDUCTIVE LOADS
26dB BTL)
■ FORTUITOUS OPEN GND
■ ST-BY FUNCTION (CMOS COMPATIBLE)
■ ESD
■ NO AUDIBLE POP DURING ST-BY
OPERATIONS
Description
■ DIAGNOSTIC FACILITIES
– CLIP DETECTOR
DataSheet4TUh.ecomdevice is a class AB Audio amplifier
assembled in the Clipwatt19 package; it is
– OUT TO GND SHORT
designed for high quality sound application.
– OUT TO VS SHORT
– SOFT SHORT AT TURN-ON
The STA543SA is a 3-channels audio amplifier
with DC volume control dedicated for each single
– THERMAL SHUTDOWN PROXIMITY
channel. It is a device suitable for 2.1 solution
Protections
thank to its output configuration with two single
ended channels and one bridge. The Short Circuit
■ OUPUT AC/DC SHORT CIRCUIT
■ SOFT SHORT AT TURN-ON
Protection, the Thermal Protection and the
Diagnostics Functions are integrated in the
device.
Order codes
Part number
STA543SA
Temp range, °C
0 to 70
Package
Clipwatt 19
Packing
Tube
DataShee
July 2005
CD00061065
This is preliminary information on a new product now in development or undergoing evaluation. Details are subject to
change without notice.
DataSheet4U.com
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Rev 2
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