Overview
The TFA9891UK/N1AZ is a high-performance audio power amplifier designed by NXP USA Inc. This integrated circuit is optimized for use in a variety of audio applications, particularly in mobile and portable devices. It features advanced power management and audio enhancement capabilities, making it a robust solution for delivering high-quality audio output.
Key Specifications
| Parameter | Value |
|---|---|
| Package Type | WLCSP49 (Wafer Level Chip-Scale Package) |
| Package Dimensions | 3.43 × 2.98 × 0.56 mm (including backside coating) |
| Number of Bumps | 49 |
| Operating Temperature Range | -40°C to 85°C |
| Supply Voltage Range | 2.5V to 5.5V |
| Output Power | Up to 3.4W into 4Ω load |
| Audio Interface | I2S, PCM |
| Class of Operation | Class-D |
| Protection Features | Overtemperature protection, short-circuit protection, and undervoltage protection |
Key Features
- High-efficiency Class-D amplifier for low power consumption and heat generation.
- Advanced power management with dynamic voltage control and adaptive output stage.
- Support for I2S and PCM audio interfaces.
- Integrated protection features including overtemperature, short-circuit, and undervoltage protection.
- Compact WLCSP49 package suitable for space-constrained designs.
Applications
The TFA9891UK/N1AZ is designed for use in various audio-centric applications, including:
- Smartphones and mobile devices.
- Portable audio players and speakers.
- Tablets and e-readers.
- Automotive infotainment systems.
- Wearable devices such as smartwatches and fitness trackers.
Q & A
- What is the package type of the TFA9891UK/N1AZ?
The TFA9891UK/N1AZ comes in a WLCSP49 (Wafer Level Chip-Scale Package) with 49 bumps and dimensions of 3.43 × 2.98 × 0.56 mm. - What is the operating temperature range of the TFA9891UK/N1AZ?
The operating temperature range is -40°C to 85°C. - What is the maximum output power of the TFA9891UK/N1AZ?
The maximum output power is up to 3.4W into a 4Ω load. - What audio interfaces does the TFA9891UK/N1AZ support?
The TFA9891UK/N1AZ supports I2S and PCM audio interfaces. - What class of operation does the TFA9891UK/N1AZ use?
The TFA9891UK/N1AZ operates as a Class-D amplifier. - What protection features are integrated into the TFA9891UK/N1AZ?
The device includes overtemperature protection, short-circuit protection, and undervoltage protection. - What is the supply voltage range for the TFA9891UK/N1AZ?
The supply voltage range is 2.5V to 5.5V. - Is the TFA9891UK/N1AZ suitable for automotive applications?
Yes, it can be used in automotive infotainment systems due to its robust design and protection features. - What are some common applications for the TFA9891UK/N1AZ?
Common applications include smartphones, portable audio players, tablets, and wearable devices. - How does the TFA9891UK/N1AZ manage power efficiently?
The device features advanced power management with dynamic voltage control and adaptive output stage to optimize power efficiency.
