Key facts
- Brand
- STMicroelectronics
- Model
- STA333ML
- Category
- amplifier
- Documents
- 2
- Languages
- EN
- Last added
- 2012-08-08
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STMicroelectronics STA333ML Datasheet
The STA333ML is a single-die device that combines digital audio processing and high-efficiency Class-D power amplification. It operates without an external microcontroller, making it suitable for low-cost applications such as wireless speaker cradles, digital speakers, and LCD terminals.
Key features include two channels of 24-bit DDX® digital input, a selectable sample rate (32 kHz to 48 kHz), and an internal processing sample rate of 96 kHz. The device offers a total output power of 2 x 20 W into 8 Ω at 18 V with efficiency exceeding 90%. It includes built-in protection against thermal overload, short-circuit, overcurrent, and overvoltage conditions.
STMicroelectronics STA333ML specifications
| Output power (BTL) | 2 x 20 W into 8 Ω at 18 V |
|---|---|
| Supply voltage range | 4.5 - 20 V |
| Signal-to-noise ratio | 100 dB |
| Efficiency | >90% |
| Internal processing sample rate | 96 kHz |
| Package type | PowerSSO-36 EPD |
All STMicroelectronics STA333ML documents by type
Ratings, dimensions and ordering codes, for selection and design work.
How to use the product for one specific task, with worked examples.
Questions answered in these manuals
What is the maximum power supply voltage for the STA333ML?
The device can operate with a power supply voltage of up to 20 V.
What are the jumper settings for format and oversampling?
JP1 selects between 12S (0) or left justified (1), while JP2 selects between 256 Fs (0) or 384 Fs (1).
From: STMicroelectronics AN2479 STA333ML Demo Board Application Note
What equipment is required to test the demo board?
The required equipment includes an Audio Precision System 2700, a DC power supply (5V-18V), and a Digital oscilloscope TDS3034B.
From: STMicroelectronics AN2479 STA333ML Demo Board Application Note