STA333IS
Overview
Category
STA333IS belongs to the category of audio amplifier integrated circuits.
Use
It is primarily used for audio amplification in various electronic devices such as smartphones, tablets, and portable media players.
Characteristics
- High-quality audio amplification
- Low power consumption
- Compact size
- Wide operating voltage range
- Integrated protection features
Package
STA333IS is available in a small outline package (SOP) with a specified pin configuration.
Essence
The essence of STA333IS lies in its ability to provide efficient and high-fidelity audio amplification in a compact form factor.
Packaging/Quantity
The STA333IS is typically packaged in reels or tubes, with a quantity of 2500 units per reel/tube.
Specifications and Parameters
- Power supply voltage: 2.7V to 5.5V
- Output power: up to 3W per channel
- Total harmonic distortion + noise (THD+N): <0.1%
- Signal-to-noise ratio (SNR): >90dB
- Operating temperature range: -40°C to 85°C
Pin Configuration
The STA333IS has a detailed and complete pin configuration as follows:
- VDDA: Analog power supply
- VDDD: Digital power supply
- AGND: Analog ground
- DGND: Digital ground
- OUTL: Left channel audio output
- OUTR: Right channel audio output
- INL: Left channel audio input
- INR: Right channel audio input
- SD: Shutdown control input
- MCLK: Master clock input
- BCLK: Bit clock input
- LRCK: Word clock input
- SDA: I2C data input/output
- SCL: I2C clock input
- RESET: Reset control input
Functional Characteristics
The STA333IS offers the following functional characteristics:
- Class-D audio amplifier
- Built-in digital signal processing (DSP)
- I2C interface for control and configuration
- Automatic gain control (AGC)
- Dynamic range compression (DRC)
- Equalization and filtering capabilities
- Speaker protection features
Advantages and Disadvantages
Advantages
- High-quality audio amplification
- Low power consumption
- Integrated DSP for enhanced audio processing
- Compact size for space-constrained applications
- Wide operating voltage range for flexibility
Disadvantages
- Limited output power compared to higher wattage amplifiers
- Requires external components for complete audio system integration
- Relatively higher cost compared to basic audio amplifiers
Applicable Range of Products
STA333IS is suitable for a wide range of products, including but not limited to: - Smartphones - Tablets - Portable media players - Bluetooth speakers - Gaming consoles - Automotive infotainment systems
Working Principles
The working principle of STA333IS involves converting digital audio signals into amplified analog audio using a class-D amplifier architecture. The integrated DSP provides various audio processing functions, such as equalization, filtering, and dynamic range compression.
Detailed Application Field Plans
STA333IS can be applied in various fields, including: 1. Mobile Devices: Enhancing audio performance in smartphones and tablets. 2. Consumer Electronics: Enabling high-quality audio playback in portable media players and Bluetooth speakers. 3. Automotive: Integrating into infotainment systems for improved audio experience. 4. Gaming: Providing immersive audio in gaming consoles and accessories. 5. Home Audio: Powering compact audio systems with efficient amplification.
Detailed Alternative Models
Some alternative models to STA333IS include: - STA311B - TPA3116D2 - TAS5611A - MAX98357A - PAM8403
5 Common Technical Questions and Answers
Q: What is the maximum output power of STA333IS? A: The STA333IS can deliver up to 3W per channel.
Q: Can STA333IS operate with a single power supply? A: Yes, it can operate within a power supply voltage range of 2.7V to 5.5V.
Q: Does STA333IS require external components for audio processing? A: No, it has an integrated DSP for audio processing functions.
Q: What is the purpose of the shutdown control input (SD)? A: The SD pin allows for power-saving by shutting down the amplifier when not in use.
Q: Is STA333IS suitable for automotive applications? A: Yes, it is suitable for integration into automotive infotainment systems.
This encyclopedia entry provides a comprehensive overview of STA333IS, including its category, use, characteristics, package, specifications, pin configuration, functional