Overview
The TPA3130D2DAPR, produced by Texas Instruments, is a high-efficiency Class-D audio amplifier designed for a wide range of audio applications. This device is part of the TPA31xxD2 family, which includes the TPA3116D2 and TPA3118D2, but the TPA3130D2 is specifically tailored for lower power requirements, making it ideal for compact and power-efficient designs. It supports multiple output configurations and operates over a wide voltage range from 4.5 V to 26 V, making it versatile for various power supply conditions.
Key Specifications
| Parameter | Value |
|---|---|
| Output Power (Stereo) | 2 × 15 W into 8 Ω at 15 V |
| Output Power (Mono) | 30 W into 8 Ω at 15 V |
| Supply Voltage Range | 4.5 V to 26 V |
| Switching Frequency | Up to 1.2 MHz |
| Efficiency | >90% Power Efficiency |
| Package Type | 32-Pin HTSSOP (DAP) |
| Operating Temperature Range | –40°C to 85°C |
| Protection Features | Overvoltage, Undervoltage, Overtemperature, DC-Detect, Short Circuit with Error Reporting |
Key Features
- Filter-free Class-D operation with advanced modulation schemes to avoid AM interference.
- Multiple switching frequencies and master/slave synchronization options.
- Feedback power-stage architecture with high PSRR (Power Supply Rejection Ratio) to reduce PSU requirements.
- Programmable power limit and differential and single-ended input capabilities.
- Stereo and mono mode with single-filter mono configuration.
- Integrated self-protection circuits including overvoltage, undervoltage, overtemperature, DC-detect, and short circuit protection with error reporting.
- Thermally enhanced packages and a wide ambient temperature range of –40°C to 85°C.
Applications
- Mini and micro component speakers.
- Speaker bars and docks.
- After-market automotive audio systems.
- CRT TVs and consumer audio applications.
Q & A
- What is the maximum output power of the TPA3130D2 in stereo mode?
The TPA3130D2 can deliver up to 2 × 15 W into an 8 Ω load in stereo mode at 15 V supply voltage. - What is the operating voltage range of the TPA3130D2?
The device operates over a wide voltage range from 4.5 V to 26 V. - What are the key protection features of the TPA3130D2?
The device includes overvoltage, undervoltage, overtemperature, DC-detect, and short circuit protection with error reporting. - Can the TPA3130D2 be used in both stereo and mono configurations?
Yes, the TPA3130D2 supports both stereo and mono output configurations. - What is the maximum switching frequency of the TPA3130D2?
The device can operate at switching frequencies up to 1.2 MHz. - Does the TPA3130D2 require an external heat sink for operation?
No, the TPA3130D2 can operate without an external heat sink on a single-layer PCB due to its high efficiency. - What is the package type of the TPA3130D2DAPR?
The TPA3130D2DAPR comes in a 32-Pin HTSSOP (DAP) package. - What are the typical applications of the TPA3130D2?
The device is commonly used in mini and micro component speakers, speaker bars, after-market automotive audio systems, CRT TVs, and consumer audio applications. - How does the TPA3130D2 avoid AM interference?
The device employs advanced modulation schemes and multiple switching frequency options to avoid AM interference. - Can multiple TPA3130D2 devices be synchronized?
Yes, the TPA3130D2 supports master and slave synchronization options to synchronize multiple devices.
