Overview
The TPA2038D1YFFR is a 3.2W mono Class-D audio amplifier produced by Texas Instruments. Designed for high efficiency and compact size, this amplifier is ideal for portable audio applications such as smartphones, tablets, and other consumer electronics. Its key selling points include low power consumption, high efficiency, and integrated protection features, making it a competitive choice for modern audio systems.
Key Specifications
| Parameter | Value | Unit | Notes |
|---|---|---|---|
| Output Power | 3.2 | W | Into 4Ω load at 10% THD+N |
| Supply Voltage | 2.5 - 5.5 | V | |
| SNR | 95 | dB | |
| THD+N | 0.12 | % | At 1 kHz |
| Quiescent Current | 1.8 | mA | |
| Load Impedance | 4 | Ω | Minimum |
| Operating Temperature | -40 to 85 | °C | |
| Package | 9-DSBGA | 1.21mm x 1.16mm |
Key Features
- No filter required for mono Class-D operation.
- Selectable gain options of 6dB or 12dB.
- Integrated pop and click suppression for smooth audio transitions.
- Automatic recovery from short-circuit and thermal overload conditions.
- Low output noise of 20μV for high-quality audio performance.
Applications
The TPA2038D1YFFR is widely used in portable audio devices, including smartphones, tablets, and Bluetooth speakers. Its compact size and high efficiency make it suitable for battery-powered applications. Additionally, it is employed in gaming devices, wearable electronics, and other consumer audio systems where space and power efficiency are critical.
Q & A
1. What is the maximum output power of the TPA2038D1YFFR?
The maximum output power is 3.2W into a 4Ω load at 10% THD+N.
2. What is the operating voltage range?
The operating voltage range is 2.5V to 5.5V.
3. Does the amplifier require an external filter?
No, it is a filterless Class-D amplifier.
4. What is the typical quiescent current?
The typical quiescent current is 1.8mA.
5. What protection features are included?
It includes short-circuit protection and thermal overload protection with automatic recovery.
6. What is the signal-to-noise ratio (SNR)?
The SNR is 95dB.
7. What is the package type and size?
It comes in a 9-DSBGA package measuring 1.21mm x 1.16mm.
8. What is the minimum load impedance supported?
The minimum load impedance is 4Ω.
9. Can the gain be adjusted?
Yes, the gain can be set to either 6dB or 12dB using a pin selection.
10. What is the typical application of this amplifier?
It is commonly used in portable audio devices like smartphones, tablets, and Bluetooth speakers.
