Overview
The TDA8954TH/N1,112 is a high-efficiency Class D audio power amplifier produced by NXP USA Inc. This single IC is designed to deliver high output power with low power dissipation, making it suitable for a variety of audio applications. It can operate in both mono and stereo configurations, providing flexibility in system design. The amplifier features a wide supply voltage range from ±12.5 V to ±42.5 V, ensuring compatibility with various power supply systems.
Key Specifications
| Parameter | Value |
|---|---|
| Manufacturer | NXP USA Inc. |
| Part Number | TDA8954TH/N1,112 |
| Package | 24-HSOP (0.433", 11.00mm Width) Exposed Pad |
| Output Type | 1-Channel (Mono) or 2-Channel (Stereo) |
| Max Output Power x Channels @ Load | 420W x 1 @ 8 Ohm; 210W x 2 @ 4 Ohm |
| Voltage - Supply | ±12.5 V ~ 42.5 V |
| Operating Temperature | -40°C ~ 85°C (TA) |
| Mounting Type | Surface Mount |
Key Features
- High-efficiency Class D operation with approximately 93% efficiency into a 4 Ω load.
- Differential inputs for improved noise rejection.
- Mute function for silent startup and shutdown.
- Short-circuit and thermal protection to ensure device reliability.
- Standby mode for power saving.
- Advanced protection strategy including overvoltage, overtemperature, and overcurrent protection.
- Thermal Fold Back (TFB) to gradually reduce output power in case of high temperatures.
- Diagnostic pins for monitoring thermal and protection status.
Applications
The TDA8954TH/N1,112 is suitable for a wide range of audio applications, including:
- Home audio systems
- Professional audio equipment
- Automotive audio systems
- Public address systems
- High-power audio amplifiers in industrial and commercial settings.
Q & A
- What is the maximum output power of the TDA8954TH/N1,112 in mono configuration?
The maximum output power in mono configuration is 420W into an 8 Ω load.
- What is the supply voltage range for the TDA8954TH/N1,112?
The supply voltage range is from ±12.5 V to ±42.5 V.
- What types of protection does the TDA8954TH/N1,112 offer?
The device offers overvoltage, overtemperature, and overcurrent protection, as well as short-circuit and thermal protection.
- Can the TDA8954TH/N1,112 be used in both mono and stereo configurations?
- What is the operating temperature range of the TDA8954TH/N1,112?
The operating temperature range is from -40°C to 85°C (TA).
- Does the TDA8954TH/N1,112 have a mute function?
- How does the Thermal Fold Back (TFB) function work in the TDA8954TH/N1,112?
The TFB function gradually reduces the output power if the junction temperature exceeds a certain threshold to prevent overheating.
- What is the package type of the TDA8954TH/N1,112?
The package type is 24-HSOP (0.433", 11.00mm Width) Exposed Pad.
- Is the TDA8954TH/N1,112 RoHS compliant?
- What is the efficiency of the TDA8954TH/N1,112 in a 4 Ω load?
The efficiency is approximately 93% into a 4 Ω load.
