Skip to the content
PCBKitNew board
STA540 on a board, in 3D

STA540

STMicroelectronics

0.02% 0℃~+70℃ 2-Channel 38Wx2@4Ω 4 Single-Ended Inputs 50dB 80mA 8V~22V Automatic mute/no-noise switch、Enable/shutdown function、ESD protection Class AB Multiwatt-15 Audio Amplifiers ROHS

Extended
DatasheetJLCPCBLCSCst/STA540
Category
Audio Amplifiers
Package
Multiwatt-15
Pins
15

Overview

The STA540 is an audio Amplifier made by STMicroelectronics in a Multiwatt-15 package with 15 pins. 0.02% 0℃~+70℃ 2-Channel 38Wx2@4Ω 4 Single-Ended Inputs 50dB 80mA 8V~22V Automatic mute/no-noise switch、Enable/shutdown function、ESD protection Class AB Multiwatt-15 Audio Amplifiers ROHS.

PCBKit's library has its KiCad symbol (SparkFun-IC-Special-Function:STA540, from Eagle libraries) and its footprint (SparkFun-IC-Special-Function:MULTIWATT15, from Eagle libraries), ready for a KiCad board. 12 are in stock at JLCPCB (part C222158). 1 open-source board in 1 repository on GitHub use it.

Symbol

IN14IN25IN312SVR6IN411P-GND8S-GND9DIAG10OUT414OUT315OUT22OUT11VCC13VCC213STBY7
SparkFun-IC-Special-Function:STA540From Eagle libraries

Footprint

123456789101112131415
SparkFun-IC-Special-Function:MULTIWATT15From Eagle libraries

Parameters

10
Class
Class AB
Features
Enable/shutdown function
Number of Inputs
4 Single-Ended Inputs
Operating Temperature
0℃~+70℃
Output Power
38Wx2@4Ω
Power Supply Rejection Ratio (PSRR)
50dB
Quiescent Current
80mA
Speaker Channels
2-Channel
Total Harmonic Distortion + Noise (THD+N)
0.02%
Voltage - Supply
8V~22V

Order codes

1

Pinout

15
The pins of the STA540
PinNameType
1OUT1Unspecified
2OUT2Unspecified
3VCC1Unspecified
4IN1Unspecified
5IN2Unspecified
6SVRUnspecified
7STBYUnspecified
8P-GNDUnspecified
9S-GNDUnspecified
10DIAGUnspecified
11IN4Unspecified
12IN3Unspecified
13VCC2Unspecified
14OUT4Unspecified
15OUT3Unspecified

Open-source boards using it

All 1

Show this part on your page

A live frame, for any web page
<iframe src="https://pcbkit.io/embed/parts/st/STA540" title="STA540 in PCBKit" width="100%" height="480" style="border:0;border-radius:12px" allow="fullscreen" loading="lazy"></iframe>
A picture
<img src="https://pcbkit.io/embed/parts/st/STA540.jpg" alt="STA540" width="1200" height="900">
A picture that opens the part, for a README
[![STA540](https://pcbkit.io/embed/parts/st/STA540.jpg?size=s)](https://pcbkit.io/parts/st/STA540)

Questions

Is there a KiCad symbol and footprint for the STA540?

Yes. The symbol is SparkFun-IC-Special-Function:STA540 and the footprint SparkFun-IC-Special-Function:MULTIWATT15, both drawn on this page. PCBKit places them on a board for you when you design with it.

What package is the STA540?

Multiwatt-15, with 15 pins. Its footprint is drawn on this page.

Where is the STA540 datasheet?

STMicroelectronics publishes it: the Datasheet link on this page opens it.

Where can I order the STA540?

JLCPCB lists it as part C222158, with 12 in stock; the sellers' links on this page open their listings.

Which open-source boards use the STA540?

1 board in 1 repository on GitHub; the most starred are listed on this page, with their KiCad files.