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Amplifier, Components, Intergrated Circuits, Microcontrollers
TDA2822M Dual Low-Voltage power Amplifier
TDA2822M dual audio amplifier IC in 8 pin package. Ideal for speaker projects, audio circuits, and low-voltage electronics.
$2.80
TDA2822M Dual Audio Amplifier IC – 8 Pin MiniDIP
The TDA2822M is a compact dual audio power amplifier IC designed for low-voltage audio applications. Commonly used in portable devices, it allows students and makers to amplify audio signals for speakers, making it ideal for sound-based electronics projects.
Key Features
- Dual audio amplifier (two channels)
- Low-voltage operation suitable for portable circuits
- Compact 8-pin MiniDIP package
- Capable of driving small speakers directly
- Simple circuit design with minimal external components
What’s Included
- 1 × TDA2822M Dual Audio Amplifier IC (8-pin DIP)
Curriculum Links
Australian Curriculum (v9.0):
- ACTDEK042 – Investigate how systems are designed and controlled
- ACTDIP050 – Implement digital solutions
Victorian Curriculum:
- VCDSTS039 – Technologies systems
- VCDTDI037 – Algorithm design and implementation
NSW (Stage 4–5 Technology Mandatory):
- TE4-2DP – Designs and produces solutions
- TE4-5AG – Applies problem-solving
Classroom Use / Learning Outcomes
Students will:
- Amplify audio signals to drive speakers
- Understand basic audio electronics concepts
- Build sound-based circuits and projects
- Explore signal amplification and output systems
Teacher Benefits
- Simple introduction to audio electronics
- Works well in low-voltage classroom setups
- Minimal components required for operation
- Engaging sound-based experiments
Perfect For
- Audio amplifier projects
- Speaker driver circuits
- Arduino sound output projects
- STEM and electronics learning
Technical Specifications
- IC Type: Dual audio power amplifier
- Channels: 2 (stereo or dual mono)
- Package: 8-pin MiniDIP (through-hole)
- Operating Voltage: 1.8V – 15V
- Output Power: Up to ~1W per channel (depending on supply voltage and load)
- Output Configuration: Bridge or stereo operation
- Load Impedance: Typically 4Ω – 8Ω speakers
- Gain: Fixed internally (externally adjustable via components)
- Quiescent Current: Low (designed for portable use)
- Frequency Response: Suitable for audio range (~20Hz – 20kHz typical)
- Mounting / Form Factor: Through-hole DIP
- Operating Temperature: 0°C to +70°C
- Applications: Audio amplification, speakers, portable devices
- Additional Notes: Requires external capacitors for stable operation
