Product Summary

The STA540 is a class AB Audio amplifier assembled in the Clipwatt19 package designed for high quality sound application. The STA540 is a 4 Single ended amplifier with integrated in the device the Short Circuit Protection, the Thermal Protection and the Diagnostics Functions.

Parametrics

STA540 absolute maximum ratings: (1)Supply voltage idle mode (no signal): 24 V; (2)Supply voltage operating: 22 V; (3)Supply voltage AC-DC short safe: 20 V; (4)Ptot Total power dissipation (Tcase = 85 °C): 36 W; (5)Tstg, Tj Storage and junction temperature: -40 to150 °C; (6)Top Operating temperature: 0 to 70 °C.

Features

STA540 features: (1)output power capability 7w x 4; (2)minimum external components count: no bootstrap capacitors; no boucherot cells; internally fixed gain 20db; (3)st-by function (cmos compatible); (4)no audible pop during st-by operations; (5)diagnostic facilities; (6)clip detector; (7)out to gnd short; (8)out to vs short; (9)soft short at turn-on; (10)thermal shutdown proximity.

Diagrams

STA540 block diagram

Image Part No Mfg Description Data Sheet Download Pricing
(USD)		 Quantity
STA540
STA540
STMicroelectronics
Audio Amplifiers 4-CH AB Audio AMP 4 X 13 W Dual/Quad
Data Sheet
0-1: $3.52
1-10: $2.83
10-100: $2.57
100-250: $2.32
STA540P
STA540P
Other

Data Sheet
Negotiable 
STA540SAN
STA540SAN
STMicroelectronics
Power Amplifiers 4x10-watt dual/quad power amplifier
Data Sheet
0-1: $3.16
1-10: $2.68
10-100: $2.26
100-250: $2.05
STA540SA
STA540SA
Other

Data Sheet
Negotiable