Overview
The TDA2822D is a monolithic integrated circuit produced by STMicroelectronics, packaged in an 8-lead SO-8 package. It is designed to function as a dual audio power amplifier, making it suitable for use in portable electronic devices such as cassette players, radios, and CD players. This amplifier is known for its low-voltage operation and efficient performance, making it a versatile component for various audio applications.
Key Specifications
| Parameter | Test Conditions | Min. | Typ. | Max. | Unit |
|---|---|---|---|---|---|
| Supply Voltage (VS) | 1.8 | 15 | V | ||
| Total Quiescent Drain Current (Id) | 15 | mA | |||
| Output Power (PO) - Stereo, RL = 32 Ω, VS = 6 V | f = 1 kHz, d = 10% | 120 | mW | ||
| Output Power (PO) - Bridge, RL = 8 Ω, VS = 6 V | f = 1 kHz, d = 10% | 320 | 400 | mW | |
| Crossover Distortion | RL = 32 Ω, PO = 40 mW | 0.2 | % | ||
| Input Resistance (Ri) | f = 1 kHz | 100 | kΩ | ||
| Thermal Resistance Junction-Ambient (Rthj-amb) | 200 | °C/W |
Key Features
- Low Supply Voltage: The TDA2822D can operate with supply voltages as low as 1.8 V, making it suitable for battery-powered devices.
- Low Crossover Distortion: This amplifier features low crossover distortion, ensuring high-quality audio output.
- Low Quiescent Current: It has a low quiescent current, which helps in reducing power consumption and increasing battery life in portable devices.
- Bridge or Stereo Configuration: The TDA2822D can be configured in either bridge or stereo mode, offering flexibility in different application scenarios.
Applications
The TDA2822D is primarily used in portable electronic devices that require efficient and low-voltage audio amplification. Some common applications include:
- Portable cassette players
- Radios
- CD players
- Other battery-powered audio devices
Q & A
- What is the minimum supply voltage for the TDA2822D?
The minimum supply voltage for the TDA2822D is 1.8 V.
- What are the typical applications of the TDA2822D?
The TDA2822D is typically used in portable cassette players, radios, CD players, and other battery-powered audio devices.
- Can the TDA2822D be configured in different modes?
- What is the maximum output power of the TDA2822D in bridge configuration with a 6V supply and 8Ω load?
The maximum output power in bridge configuration with a 6V supply and 8Ω load is between 320 mW and 400 mW.
- What is the thermal resistance junction-ambient (Rthj-amb) of the TDA2822D?
The thermal resistance junction-ambient (Rthj-amb) of the TDA2822D is 200 °C/W.
- What is the input resistance of the TDA2822D at 1 kHz?
The input resistance of the TDA2822D at 1 kHz is 100 kΩ.
- What is the crossover distortion of the TDA2822D?
The crossover distortion of the TDA2822D is 0.2% at RL = 32 Ω and PO = 40 mW.
- Is the TDA2822D RoHS compliant?
- What is the package type of the TDA2822D?
The TDA2822D is packaged in an 8-lead SO-8 package.
- What is the operating temperature range of the TDA2822D?
The operating temperature range of the TDA2822D is not explicitly stated, but the storage and junction temperature range is from -40 to 150 °C.
