E-STA32813TR STMicroelectronics Integrated Circuit (Small Outline Packages) In Stock
E-STA32813TR is a digital audio power amplifier IC by STMicroelectronics, integrating a class-D amplifier core with I2S/SPI digital input and multiple output channels. Key specs: multi-channel output, digital audio interface, compact small-outline package for consumer and professional audio. Available in stock with worldwide shipping.
- Manufacturer
- STMicroelectronics
- Package
- Small Outline Packages
- Pin Count
- 37
- Lifecycle
- ACTIVE
- Datasheet
- E-STA32813TR Datasheet PDF
- Category
- Integrated Circuit
- RoHS
- Compliant
- Lead Time
- 3–7 business days
- Shipping
- DHL Express · Worldwide
What are the key features of E-STA32813TR?
- Integrated class-D digital audio power amplifier with I2S digital input eliminating external DAC for simplified audio system design
- Multi-channel output capability enabling stereo or surround sound configurations from a single compact small-outline IC
- STMicroelectronics STA-family audio platform with advanced digital signal processing for low THD and high SNR audio performance
What is E-STA32813TR used for?
The E-STA32813TR is suited for consumer audio products such as soundbars, smart speakers, and home theater amplifiers where a fully digital signal path from I2S source to speaker output is required in a compact PCB footprint. It also fits automotive infotainment head units and professional audio equipment needing multi-channel amplification with minimal external components and low total harmonic distortion.
Compliance & Regulatory
| RoHS Status | Compliant |
| Lead-Free | Yes (Pb-Free) |
Where can I find the E-STA32813TR datasheet?
E-STA32813TR Datasheet DownloadOfficial datasheet from STMicroelectronics
What are equivalent replacements for E-STA32813TR?
No known alternates. Submit an RFQ and our team can suggest alternatives.
Frequently Asked Questions
What amplifier topology does E-STA32813TR use and how does it affect power efficiency?
The E-STA32813TR uses a class-D switching amplifier topology, which typically achieves power efficiency above 85% compared to 50% or less for class-AB amplifiers. This high efficiency means less heat dissipation, allowing the device to deliver significant audio output power without requiring large heatsinks, making it ideal for compact consumer audio products.
What digital audio interface does E-STA32813TR support for connecting to host processors?
E-STA32813TR supports an I2S digital audio interface — a standard 3-wire serial bus used for transmitting PCM audio at sample rates from 8 kHz up to 192 kHz. This allows direct connection to DSPs, SoCs, and Bluetooth audio receivers without an intermediate analog stage, preserving signal quality and reducing the BOM by eliminating a separate DAC.
In which end-product applications is E-STA32813TR from STMicroelectronics most commonly used?
E-STA32813TR is most commonly used in soundbars, all-in-one smart speakers, and multi-room audio systems where 2 or more audio channels must be amplified from a digital source within a thermally constrained enclosure. Its class-D output with multi-channel capability and small-outline package simplifies integration into slim consumer electronic products with tight internal space.
How does E-STA32813TR compare to a discrete transistor class-AB amplifier stage for a 2-channel audio design?
E-STA32813TR replaces an entire discrete class-AB output stage — typically requiring 4 to 8 transistors, biasing resistors, and filter components — with a single IC. The integrated class-D architecture delivers higher efficiency (above 85%) and lower quiescent current, reducing the power supply size and PCB area by approximately 60% while achieving lower electromagnetic emission with integrated EMI filtering.
Related Guides
CSD87313DMS Synchronous Buck Power Stage Design Guide
Design a compact CSD87313DMS synchronous buck stage with practical guidance for loss, gate drive, PCB layout, EMI, thermal validation, and sourcing.
Aug 6, 2026
STEF05SGR eFuse Selection Guide for 5 V Overcurrent Protection
Choose STEF05SGR for 5 V overcurrent protection by checking current-limit margin, inrush, thermal loss, fault response, and sourcing.
Aug 6, 2026
C0402C103K3RACTU Selection Guide: Choosing a 10 nF 0402 MLCC
Select C0402C103K3RACTU by voltage margin, X7R behavior, tolerance, 0402 assembly risk, and qualified alternatives.
Aug 4, 2026
STM32H753VIT6 MCU Selection Guide: Memory, Package, Connectivity, and Security
Choose STM32H753VIT6 by evaluating memory architecture, LQFP-100 pin fit, connectivity, security, power, and sourcing tradeoffs.
Aug 4, 2026
Why Buy from FindMyChip
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.
In Stock · 24h Response · Worldwide Shipping
Response within 24 hours · Worldwide shipping
“Response time is incredible — usually under 4 hours. They understand that production lines can't wait.”
You May Also Like
ACS770ECB-200U-PFF-T
Allegro Microsystems
Integrated Circuit
ACS770KCB-150U-PFF-T
Allegro Microsystems
Integrated Circuit
MC33901WEF
NXP
Integrated Circuit
MC7808BDTRKG
ON Semiconductor
Integrated Circuit
PA94EC
Apex Microtechnology
Integrated Circuit
AP7315-28SR-7
Diodes Inc.
Integrated Circuit
74HCT245D
Nexperia
Integrated Circuit
CY62256VNLL-70ZXCT
Cypress Semiconductor
Integrated Circuit
EPM7032AETC44-4N
Intel
Integrated Circuit
EPM3512AQC208-10N
Intel
Integrated Circuit
EPM3256ATC144-7N
Intel
Integrated Circuit
EPM3256AQC208-7N
Intel
Integrated Circuit
EPM3256AQC208-10N
Intel
Integrated Circuit
EPM3128ATC100-7N
Intel
Integrated Circuit
EPM1270F256C4N
Intel
Integrated Circuit
EPF8282ATC100-4N
Intel
Integrated Circuit
EPF6016QC208-2N
Intel
Integrated Circuit
EPF6016ATC144-3N
Intel
Integrated Circuit
EPF10K30ATC144-3N
Intel
Integrated Circuit
EPC2TI32N
Intel
Integrated Circuit
EPC2LC20
Intel
Integrated Circuit
EP3SL150F1152C4N
Intel
Integrated Circuit
EP2SGX60DF780C5N
Intel
Integrated Circuit
EP2SGX60CF780C5N
Intel
Integrated Circuit