STA32813TR STMicroelectronics Integrated Circuit (Small Outline Packages) In Stock
STA32813TR is a 2.1-channel high-efficiency digital audio system IC from STMicroelectronics operating from up to 3.6 V supply in a 36-pin SSOP package. It integrates digital audio processing and amplification for compact consumer audio applications requiring stereo plus subwoofer output.
- Manufacturer
- STMicroelectronics
- Package
- Small Outline Packages
- Pin Count
- 36
- Lifecycle
- OBSOLETE
- Datasheet
- STA32813TR Datasheet PDF
- Category
- Integrated Circuit
- Temp Range
- -20.0°C to 85.0°C
- RoHS
- Compliant
- Lead Time
- 3–7 business days
- Shipping
- DHL Express · Worldwide
Key Features
- 2.1-channel digital audio system integrates stereo and subwoofer amplification in a single IC, reducing BOM count for soundbar and portable speaker designs
- High-efficiency digital amplifier architecture minimizes heat dissipation at up to 3.6 V supply, enabling fanless operation in compact enclosures
- 36-pin SSOP package with integrated heat slug supports thermal management in dense consumer audio PCBs without large external heatsinks
Applications
STA32813TR is designed for 2.1-channel audio systems in soundbars, multimedia speakers, and flat-panel televisions where stereo plus subwoofer output is needed in a compact, high-efficiency form factor. Its digital audio processing and integrated amplifier deliver clean audio reproduction from digital sources with low power dissipation at 3.6 V supply rails. The device suits portable Bluetooth speakers and docking stations requiring a single-chip 2.1-channel audio solution with minimal external components.
Specifications
| YTEOL | 0 |
| Consumer IC Type | CONSUMER CIRCUIT |
| JESD-30 Code | R-PDSO-G36 |
| Number of Functions | 1 |
| Package Body Material | PLASTIC/EPOXY |
| Package Equivalence Code | SSOP36,.56 |
| Package Shape | RECTANGULAR |
| Package Style | SMALL OUTLINE, HEAT SINK/SLUG, SHRINK PITCH |
| Qualification Status | Not Qualified |
| Supply Voltage-Max (Vsup) | 3.6V |
| Supply Voltage-Min (Vsup) | 3V |
| Surface Mount | YES |
| Temperature Grade | OTHER |
| Terminal Form | GULL WING |
| Terminal Pitch | 0.65mm |
| Terminal Position | DUAL |
| Package | Small Outline Packages |
Compliance & Regulatory
| RoHS Status | Compliant |
| Lead-Free | Yes (Pb-Free) |
| HTS Code | 8542.39.00.60 |
Alternate & Equivalent Parts
No known alternates. Submit an RFQ and our team can suggest alternatives.
Frequently Asked Questions
How many audio output channels does STA32813TR support and what speaker configurations does it enable?
STA32813TR supports 2.1-channel audio output, providing 2 full-range stereo channels plus 1 dedicated subwoofer channel. This configuration enables a standard 2.1-channel speaker setup with left, right, and bass outputs from a single IC, reducing the need for separate amplifier ICs in soundbar and home theater speaker systems operating from up to 3.6 V.
What supply voltage does STA32813TR require and how does this affect portable speaker design?
STA32813TR operates from a supply voltage up to 3.6 V, making it directly compatible with single-cell Li-ion battery systems whose nominal voltage is approximately 3.7 V. This low supply voltage reduces power consumption and allows the 2.1-channel digital audio IC to run efficiently in portable Bluetooth speakers and battery-powered multimedia devices without a voltage step-up converter.
Why does the STA32813TR use a 36-pin SSOP package with an integrated heat slug for consumer audio applications?
The 36-pin SSOP package of STA32813TR provides 36 pins for audio signal routing, digital control, and power connections while the integrated heat sink slug on the underside dissipates amplifier thermal losses directly to the PCB ground plane. This combination allows high-efficiency audio amplification in compact consumer electronics enclosures without mounting a separate external heatsink, keeping the total board assembly height low.
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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.
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