Overview
The TDA8950TH/N1,118 is a high-efficiency Class D audio power amplifier produced by NXP USA Inc. This single-chip amplifier is designed to deliver high output power with low distortion and high efficiency. It features advanced protection strategies, including overvoltage, overtemperature, and overcurrent protection, ensuring maximum system robustness. The device is suitable for a variety of audio applications requiring high power and reliability.
Key Specifications
| Parameter | Conditions | Min | Typ | Max | Unit |
|---|---|---|---|---|---|
| Output Power x Channels @ Load | RL = 8 Ω, THD + N = 10 % | - | 340 W x 1 @ 8 Ω, 170 W x 2 @ 4 Ω | - | W |
| Supply Voltage (VP) | Operating mode | ±12.5 V | ±30 V | ±40 V | V |
| No. of Channels | - | - | 2 | - | - |
| Audio Amplifier Type | - | - | Class D | - | - |
| Package Type | - | - | HSOP24 | - | - |
| Operating Temperature Range | - | -40 °C | - | 85 °C | °C |
Key Features
- High-efficiency Class D audio power amplifier with high output power and low distortion.
- Advanced protection strategies including overvoltage, overtemperature, and overcurrent protection.
- Each audio channel contains a PWM modulator, an analog feedback loop, and a differential input stage.
- Common circuits for both channels include an oscillator, all reference sources, the mode interface, and a digital timing manager.
- Thermal FoldBack (TFB) and OverTemperature Protection (OTP) to manage and stabilize temperature.
Applications
The TDA8950TH/N1,118 is suitable for various high-power audio applications, including:
- Home audio systems
- Professional audio equipment
- Automotive audio systems
- Public address systems
- High-power speaker systems
Q & A
- What is the typical output power of the TDA8950TH/N1,118? The typical output power is 2 × 150 W with a speaker load impedance of 4 Ω.
- What type of audio amplifier is the TDA8950TH/N1,118? It is a Class D audio power amplifier.
- What are the key protection features of the TDA8950TH/N1,118? It includes overvoltage, overtemperature, and overcurrent protection.
- What is the operating temperature range of the TDA8950TH/N1,118? The operating temperature range is from -40 °C to 85 °C.
- What is the package type of the TDA8950TH/N1,118? The package type is HSOP24.
- How does the Thermal FoldBack (TFB) function work? TFB gradually reduces the output power within a defined temperature range to stabilize the temperature.
- What happens if the temperature continues to rise despite TFB? If the temperature continues to rise, the OverTemperature Protection (OTP) will shut down the device completely.
- How many channels does the TDA8950TH/N1,118 support? It supports 2 channels.
- What is the supply voltage range for the TDA8950TH/N1,118? The supply voltage range is ±12.5 V to ±40 V.
- What are some common applications for the TDA8950TH/N1,118? Common applications include home audio systems, professional audio equipment, automotive audio systems, public address systems, and high-power speaker systems.
