Overview
The TDA8922BTH/N2,118 is a high-efficiency class-D audio power amplifier produced by NXP USA Inc. This device is designed to deliver high output power with very low dissipation, making it suitable for a variety of audio applications. The TDA8922B is available in the HSOP24 power package and can operate in both stereo Single-Ended (SE) and mono Bridge-Tied Load (BTL) configurations. The amplifier features advanced current protection, smooth start-up to prevent pop-noise, and a wide supply voltage range from ±12.5 V to ±30 V.
Key Specifications
| Parameter | Conditions | Min | Typ | Max | Unit |
|---|---|---|---|---|---|
| Supply Voltage (VP) | ±12.5 | ±26 | ±30 | V | |
| Total Quiescent Supply Current (Iq(tot)) | No load; no filter; no snubber network connected | 50 | 65 | mA | |
| Output Power (Po) - Stereo SE | RL = 6 Ω; THD = 10 %; VP = ±26 V | 50 | W | ||
| Output Power (Po) - Stereo SE | RL = 8 Ω; THD = 10 %; VP = ±21 V | 25 | W | ||
| Output Power (Po) - Mono BTL | RL = 8 Ω; THD = 10 %; VP = ±21 V | 88 | W | ||
| Package | HSOP24 |
Key Features
- High efficiency class-D audio power amplifier
- Advanced current protection: output current limiting
- Smooth start-up: no pop-noise due to DC offset
- Operating supply voltage from ±12.5 V to ±30 V
- Low quiescent current
- Usable as a stereo Single-Ended (SE) amplifier or as a mono amplifier in Bridge-Tied Load (BTL) configuration
- Built-in temperature sensor and maximum current detector for protection
Applications
The TDA8922BTH/N2,118 is suitable for various audio applications, including home audio systems, car audio systems, and professional audio equipment. Its high efficiency and low dissipation make it particularly useful in systems where power consumption and heat generation need to be minimized. It can be used in both stereo and mono configurations, making it versatile for different audio setup requirements.
Q & A
- What is the typical output power of the TDA8922BTH/N2,118? The typical output power is 2 × 50 W in stereo Single-Ended configuration and up to 88 W in mono Bridge-Tied Load configuration.
- What is the supply voltage range for the TDA8922BTH/N2,118? The supply voltage range is from ±12.5 V to ±30 V.
- What types of configurations can the TDA8922BTH/N2,118 be used in? It can be used as a stereo Single-Ended (SE) amplifier or as a mono amplifier in Bridge-Tied Load (BTL) configuration.
- What are some of the key protection features of the TDA8922BTH/N2,118? It includes advanced current protection, a built-in temperature sensor, and a maximum current detector.
- What is the package type of the TDA8922BTH/N2,118? The device is available in the HSOP24 power package.
- How does the TDA8922BTH/N2,118 handle start-up to prevent noise? It features smooth start-up to prevent pop-noise due to DC offset.
- What is the quiescent current of the TDA8922BTH/N2,118? The total quiescent supply current is typically 50 mA.
- Is the TDA8922BTH/N2,118 still in production? No, the TDA8922BTH/N2,118 is no longer manufactured.
- What are the common applications for the TDA8922BTH/N2,118? It is used in home audio systems, car audio systems, and professional audio equipment.
- How efficient is the TDA8922BTH/N2,118? It is a high-efficiency class-D audio power amplifier with very low dissipation.
