Overview
The TDA8944J/N1,112 is a dual-channel audio power amplifier produced by NXP USA Inc. This component is designed to deliver high-quality audio output with several key features that make it suitable for various audio applications. The TDA8944J is capable of producing 2 x 7 W of output power at an 8 Ω load and a 12 V supply, making it a robust choice for stereo audio systems.
Key Specifications
| Parameter | Value |
|---|---|
| Output Power | 2 x 7 W at 8 Ω load, THD = 10%, VCC = 12 V |
| Voltage Gain | Fixed at 32 dB |
| Supply Voltage | Up to 18 V |
| Input Configuration | Symmetrical (floating) or asymmetrical |
| Mode Selection | Standby, Mute, Operating |
| Protection Features | Internal thermal shutdown, short-circuit protection |
| Package Type | |
| Operating Temperature | -40°C to 85°C (TA) |
Key Features
- Dual-Channel Output: Capable of delivering 2 x 7 W of output power.
- Mode Selection: Features standby, mute, and operating modes controlled by a three-level MODE input.
- Protection Mechanisms: Includes internal thermal shutdown and short-circuit protection to ensure device reliability.
- Input Flexibility: Inputs can be driven symmetrical (floating) or asymmetrical.
- Low Power Consumption: Very low current consumption in standby mode (<0.18 mW).
- Supply Voltage Ripple Rejection (SVRR): Good SVRR for low-noise performance.
Applications
- Home Audio Systems: Suitable for stereo audio amplifiers in home entertainment systems.
- Car Audio Systems: Can be used in automotive audio systems due to its robust performance and protection features.
- Portable Audio Devices: Applicable in portable audio devices requiring efficient and reliable audio amplification.
- Professional Audio Equipment: Used in professional audio equipment where high-quality audio output is essential.
Q & A
- What is the output power of the TDA8944J/N1,112?
The TDA8944J/N1,112 can deliver 2 x 7 W of output power at an 8 Ω load and a 12 V supply.
- What are the different modes of operation for the TDA8944J/N1,112?
The device can operate in standby, mute, and operating modes controlled by a three-level MODE input.
- What protection mechanisms are built into the TDA8944J/N1,112?
The device includes internal thermal shutdown and short-circuit protection.
- How can the inputs of the TDA8944J/N1,112 be configured?
The inputs can be driven symmetrical (floating) or asymmetrical.
- What is the power consumption in standby mode?
The power consumption is very low, less than 0.18 mW in standby mode.
- What is the significance of the SVR pin in the TDA8944J/N1,112?
The SVR pin is used for half supply voltage decoupling, which helps in ripple rejection and noise reduction.
- What is the operating temperature range of the TDA8944J/N1,112?
The operating temperature range is from -40°C to 85°C (TA).
- What type of package does the TDA8944J/N1,112 come in?
The device comes in a DBS17P package with 17-SIP formed leads.
- Is the TDA8944J/N1,112 suitable for professional audio applications?
Yes, it is suitable due to its high-quality audio output and robust performance.
- Can the TDA8944J/N1,112 be used in automotive audio systems?
Yes, it can be used in automotive audio systems due to its robust performance and protection features.
