Overview
The TDA8922CJ/N1,112 is a high-performance Class D audio power amplifier produced by NXP USA Inc. This single-chip amplifier is designed to provide high output power, high efficiency, and low distortion, making it suitable for a variety of audio applications. The device features advanced protection mechanisms, including overvoltage, overtemperature, and overcurrent protection, ensuring robust system operation. It supports multiple operating modes, including standby, mute, and full operational modes, and can be configured in stereo single-ended or mono bridge-tied load configurations.
Key Specifications
| Parameter | Value |
|---|---|
| Voltage - Supply | ±12.5V to ±32.5V |
| Type | Class D |
| Package / Case | 24-HSOP (0.433", 11.00mm Width) Exposed Pad |
| Output Type | 1-Channel (Mono) or 2-Channel (Stereo) |
| Operating Temperature | -40°C to 85°C (TA) |
| Mounting Type | Surface Mount |
| Max Output Power x Channels @ Load | 155W x 1 @ 8Ohm; 75W x 2 @ 6Ohm |
Key Features
- High output power: Up to 155W in mono configuration and up to 75W per channel in stereo configuration.
- Advanced protection mechanisms: Overvoltage, overtemperature, and overcurrent protection.
- Differential inputs and analog feedback loop for high signal integrity.
- Multiple operating modes: Standby, mute, and full operational modes.
- Configurable in stereo single-ended or mono bridge-tied load configurations.
- Thermal foldback and overtemperature protection for robust thermal management.
Applications
The TDA8922CJ/N1,112 is suitable for various audio applications, including home audio systems, car audio systems, professional audio equipment, and consumer electronics requiring high-power and efficient audio amplification. Its robust protection features and high efficiency make it an ideal choice for systems that require reliable and high-quality audio performance.
Q & A
- What is the maximum output power of the TDA8922CJ/N1,112 in mono configuration?
The maximum output power in mono configuration is 155W at 8Ohm load. - What are the supply voltage ranges for the TDA8922CJ/N1,112?
The supply voltage range is from ±12.5V to ±32.5V. - What types of protection mechanisms are built into the TDA8922CJ/N1,112?
The device includes overvoltage, overtemperature, and overcurrent protection mechanisms. - Can the TDA8922CJ/N1,112 be configured in different operating modes?
Yes, it can be configured in standby, mute, and full operational modes. - What is the thermal foldback feature in the TDA8922CJ/N1,112?
The thermal foldback feature gradually reduces the output power if the junction temperature exceeds a certain threshold to stabilize the temperature. - What is the package type of the TDA8922CJ/N1,112?
The package type is 24-HSOP (0.433", 11.00mm Width) Exposed Pad. - Is the TDA8922CJ/N1,112 suitable for stereo and mono configurations?
Yes, it can be configured in both stereo single-ended and mono bridge-tied load configurations. - What is the operating temperature range of the TDA8922CJ/N1,112?
The operating temperature range is from -40°C to 85°C (TA). - Does the TDA8922CJ/N1,112 have differential inputs?
Yes, it features differential inputs for high signal integrity. - How does the overtemperature protection work in the TDA8922CJ/N1,112?
If the temperature continues to rise despite thermal foldback, the overtemperature protection will shut down the device until the temperature drops below the protection threshold.
