Overview
The TDA8950J/N1,112 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 minimal distortion and low quiescent currents. It features two independent amplifier channels, each capable of producing up to 150 W of output power with a speaker load impedance of 4 Ω. The device is optimized for high system robustness and includes advanced protection strategies such as overvoltage, overtemperature, and overcurrent protection.
Key Specifications
| Parameter | Conditions | Min | Typ | Max | Unit |
|---|---|---|---|---|---|
| Supply Voltage (VP) | Operating mode | ±12.5 | ±30 | ±40 | V |
| Output Power | Per channel, 4 Ω load | - | 150 | - | W |
| Operating Temperature | - | -40 | - | 85 | °C |
| Supply Current (Max) | - | - | - | 75 | mA |
| Package Type | - | - | - | 23-SIP Formed Leads | - |
| Pin Count | - | - | - | 24 | - |
Key Features
- High-efficiency Class D amplifier with low distortion and low quiescent currents.
- Two independent amplifier channels, each capable of 150 W output power.
- Differential inputs for improved noise rejection.
- Mute function for audio signal control.
- Advanced protection strategies including overvoltage, overtemperature, and overcurrent protection.
- Thermal FoldBack (TFB) to reduce output power and stabilize temperature.
- Standby mode for power conservation.
- Short-circuit protection to prevent damage from fault conditions.
Applications
The TDA8950J/N1,112 is suitable for a variety of audio applications requiring high power and efficiency, such as:
- Home audio systems and soundbars.
- Professional audio equipment, including public address systems and live sound amplifiers.
- Automotive audio systems.
- Industrial audio applications where reliability and efficiency are critical.
Q & A
- What is the typical output power of the TDA8950J/N1,112?
The typical output power is 2 × 150 W with a speaker load impedance of 4 Ω.
- What is the supply voltage range for the TDA8950J/N1,112?
The supply voltage range is ±12.5 V to ±40 V.
- What protection mechanisms are included in the TDA8950J/N1,112?
The device includes overvoltage, overtemperature, and overcurrent protection, as well as short-circuit protection and Thermal FoldBack (TFB).
- What is the operating temperature range of the TDA8950J/N1,112?
The operating temperature range is -40°C to 85°C.
- What package type is the TDA8950J/N1,112 available in?
The device is available in a 23-SIP Formed Leads package.
- How many pins does the TDA8950J/N1,112 have?
The device has 24 pins.
- Does the TDA8950J/N1,112 support differential inputs?
Yes, the device supports differential inputs for improved noise rejection).
- Is the TDA8950J/N1,112 RoHS compliant?
Yes, the device is RoHS compliant).
- What is the maximum supply current for the TDA8950J/N1,112?
The maximum supply current is 75 mA).
- Does the TDA8950J/N1,112 have a mute function?
Yes, the device includes a mute function for audio signal control).
