STA333W STMicroelectronics Integrated Circuit (Small Outline Packages) In Stock
STA333W is a dual-channel audio power amplifier IC from STMicroelectronics, delivering up to 20 W per channel with 4.5 V to 18 V supply voltage, designed for consumer audio systems.
- Manufacturer
- STMicroelectronics
- Package
- Small Outline Packages
- Pin Count
- 36
- Lifecycle
- ACTIVE
- Datasheet
- STA333W Datasheet PDF
- Category
- Integrated Circuit
- 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 STA333W?
- Dual-channel audio amplifier delivering up to 20 W + 20 W output power
- Wide supply voltage range from 4.5 V to 18 V for flexible power architectures
- SSOP-36 package with heat slug for efficient thermal dissipation in compact layouts
- Integrated protection features for robust consumer audio applications
What is STA333W used for?
The STA333W is well suited for home theater receivers, soundbars, and portable Bluetooth speakers requiring high-efficiency stereo amplification. Its wide supply voltage range and thermal management features make it ideal for battery-powered and AC-adapter audio systems. Consumer electronics designers use it in compact audio modules where board space and heat dissipation are critical constraints.
What are the specifications of STA333W?
| Consumer IC Type | CONSUMER CIRCUIT |
| JESD-30 Code | R-PDSO-G36 |
| Number of Functions | 1 |
| Package Body Material | PLASTIC/EPOXY |
| Package Equivalence Code | SSOP36,.4,20 |
| Package Shape | RECTANGULAR |
| Package Style | SMALL OUTLINE, HEAT SINK/SLUG, SHRINK PITCH |
| Qualification Status | Not Qualified |
| Supply Voltage-Max (Vsup) | 18V |
| Supply Voltage-Min (Vsup) | 4.5V |
| Surface Mount | YES |
| Temperature Grade | COMMERCIAL |
| Terminal Form | GULL WING |
| Terminal Pitch | 0.5mm |
| Terminal Position | DUAL |
| Package | Small Outline Packages |
Compliance & Regulatory
| RoHS Status | Compliant |
| Lead-Free | Yes (Pb-Free) |
| ECCN | EAR99 |
| HTS Code | 8542.39.00.60 |
Where can I find the STA333W datasheet?
STA333W Datasheet DownloadOfficial datasheet from STMicroelectronics
What are equivalent replacements for STA333W?
No known alternates. Submit an RFQ and our team can suggest alternatives.
Frequently Asked Questions
What is the maximum output power the STA333W can deliver per channel?
The STA333W delivers up to 20 W per channel, for a total of 20 W + 20 W stereo output. This output level is achievable across a supply voltage range of 4.5 V to 18 V, making it suitable for a wide range of consumer audio applications including soundbars and home audio systems.
Which supply voltage range does the STA333W support, and how does it affect amplifier design?
The STA333W supports a supply voltage range of 4.5 V to 18 V, giving designers flexibility to use it in both battery-powered portable speakers and AC-adapter-driven home audio equipment. This 13.5 V window allows engineers to optimize output power and efficiency based on available rail voltage without changing the IC.
What package does the STA333W use, and what are its thermal management implications?
The STA333W is housed in an SSOP-36 package with a 0.4 mm pitch and an integrated heat slug, providing efficient heat transfer to the PCB. The exposed slug reduces junction-to-board thermal resistance, which is critical when operating near the 20 W per channel output limit in compact consumer audio enclosures.
When is the STA333W a better fit than a discrete amplifier solution for a soundbar design?
For soundbar designs requiring stereo 20 W output in a compact board area, the STA333W reduces component count by integrating dual amplifier channels, protection circuitry, and thermal management in a single SSOP-36 package. This integration cuts BOM cost and simplifies PCB layout compared to discrete solutions using external MOSFETs and separate gate drivers.
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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.
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