STA540SAN STMicroelectronics Integrated Circuit (Other) In Stock

The STA540SAN from STMicroelectronics is a 4-channel Class AB audio power amplifier IC delivering 20 W nominal output power per channel with 20 dB gain and 10 kHz bandwidth, housed in a 15-lead ZIP package for automotive and consumer audio systems.

OBSOLETEIntegrated CircuitVerified Jul 2026
Package / Visual Reference
STA540SANOther
Quick Facts
Manufacturer
STMicroelectronics
Package
Other
Pin Count
15
Lifecycle
OBSOLETE
Category
Integrated Circuit
Price
From $65.9950(MOQ 750)
Temp Range
?°C to 70.0°C
RoHS
Compliant
Lead Time
3–7 business days
Shipping
DHL Express · Worldwide

What are the key features of STA540SAN?

  • 4-channel (quad) Class AB audio amplifier architecture
  • 20 W nominal output power per channel
  • 20 dB fixed voltage gain
  • 10 kHz nominal bandwidth for full-range audio
  • 15-lead ZIP through-hole package (JESD-30 R-XZIP-T15)
  • Configurable as 2-channel stereo or 4-channel quad amplifier

What is STA540SAN used for?

The STA540SAN is commonly used in car audio head units, aftermarket amplifiers, and home stereo systems requiring multi-channel Class AB amplification. Its flexible 2-channel or 4-channel configuration suits both stereo and surround-sound designs. The through-hole ZIP package also supports rugged automotive applications with heatsink mounting for thermal management.

What are the specifications of STA540SAN?

YTEOL0
Bandwidth-Nom10kHz
Consumer IC TypeAUDIO AMPLIFIER
Gain20dB
Harmonic Distortion10%
JESD-30 CodeR-XZIP-T15
JESD-609 Codee3
Number of Channels4
Number of Functions1
Output Power-Nom20W
Package Body MaterialUNSPECIFIED
Package Equivalence CodeZIP15,.1,.1
Package ShapeRECTANGULAR
Package StyleFLANGE MOUNT
Qualification StatusNot Qualified
Supply Current-Max150mA
Supply Voltage-Max (Vsup)22V
Supply Voltage-Min (Vsup)8V
Surface MountNO
TechnologyCMOS
Temperature GradeCOMMERCIAL
Terminal FinishMatte Tin (Sn) - annealed
Terminal FormTHROUGH-HOLE
Terminal Pitch1.27mm
Terminal PositionZIG-ZAG
PackageOther

Compliance & Regulatory

RoHS StatusCompliant
Lead-FreeYes (Pb-Free)
ECCNEAR99
HTS Code8542.33.00.01

Where can I find the STA540SAN datasheet?

STA540SAN Datasheet Download

Official datasheet from STMicroelectronics

What are equivalent replacements for STA540SAN?

Compatible alternatives and drop-in replacements for STA540SAN:

STA540SASTMicroelectronics

Audio Amplifier, 20W, 4 Channel(s), 1 Func

View Part →

Frequently Asked Questions

How much output power can the STA540SAN deliver per channel?

The STA540SAN delivers 20 W nominal output power per channel with a fixed gain of 20 dB, supporting either 2-channel stereo or 4-channel quad configurations for audio amplification systems.

What package type does the STA540SAN use and how is it mounted?

This amplifier IC ships in a 15-lead ZIP (JESD-30 code R-XZIP-T15) through-hole package with a plastic/epoxy body, designed for direct heatsink attachment to manage thermal dissipation during 20 W continuous operation.

Where are 4-channel Class AB amplifiers like the STA540SAN typically deployed?

This IC is commonly deployed in car audio head units and aftermarket amplifiers needing 20 W per channel across 4 output channels, as well as home stereo systems requiring a compact 15-lead ZIP package solution.

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About STMicroelectronics

STMicroelectronics is a global semiconductor leader serving customers across the spectrum of electronics applications. ST's products are found in a wide range of applications including automotive, industrial, personal electronics, and communications.

AvailabilityIn Stock
Reference Price (USD)
From $65.9950
Buy from 1pc · Factory-direct pricing
Qty.Unit PriceExt. Price
750+$65.9950$49496.25
pcs
Unit price: $65.9950 · Total: $49496.25

In Stock · 24h Response · Worldwide Shipping

Lead Time3-7 business days
MOQFrom 1 piece
ShippingDHL / FedEx / UPS
OriginChina (Authorized)

Response within 24 hours · Worldwide shipping

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Marco Rossi
CTO, AutoDrive Systems, Italy