Overview
The TPA3132D2RHBR is a high-efficiency, stereo Class-D audio power amplifier produced by Texas Instruments. This device is optimized for high-transient power capability, making it suitable for utilizing the dynamic power headroom of small loudspeakers. It is capable of delivering high peak power into 4-Ω speakers and operates within a wide voltage range of 4.5 V to 26 V. The amplifier features advanced modulation schemes, including multiple switching frequencies and AM avoidance, as well as master and slave synchronization to prevent audible beats noise.
Key Specifications
| Parameter | Value | Unit |
|---|---|---|
| Supply Voltage Range | 4.5 to 26 | V |
| Continuous Output Power (RL = 8 Ω, THD+N = 10%, f = 1 kHz, PVCC = 19 V) | 2 x 25 | W |
| Continuous Output Power (RL = 4 Ω, THD+N = 10%, f = 1 kHz, PVCC = 19 V) | 2 x 42 | W |
| Total Harmonic Distortion + Noise (THD+N) at 1 kHz, 1 W output | 0.1% | % |
| Signal-to-Noise Ratio (SNR) | -80 | dB |
| Switching Frequency | Up to 1.2 MHz | Hz |
| Ambient Temperature Range | -40 to 85 | °C |
| Package Type | 32-Pin VQFN Pad-Down | |
| Package Size | 5.00 mm x 5.00 mm |
Key Features
- Efficient Class-D operation with high power efficiency (up to 90%) and low idle loss.
- Advanced modulation schemes with multiple switching frequencies to avoid AM interference.
- Master and slave synchronization to prevent audible beats noise.
- Integrated self-protection circuits including overvoltage, undervoltage, overtemperature, DC-detect, and short-circuit protection with error reporting.
- Thermally enhanced package with PowerPAD for efficient heat dissipation.
- Programmable power limit and differential or single-ended inputs.
- Stereo and mono mode operation with single-filter mono configuration.
Applications
The TPA3132D2RHBR is suitable for a variety of audio applications, including home audio systems, automotive audio systems, and portable audio devices. Its high efficiency and thermal management features make it ideal for use in compact and power-constrained environments. Additionally, it can be used in professional audio equipment and consumer electronics where high-quality audio output is required.
Q & A
- What is the voltage range of the TPA3132D2RHBR?
The TPA3132D2RHBR operates within a voltage range of 4.5 V to 26 V. - What is the maximum continuous output power of the TPA3132D2RHBR?
The maximum continuous output power is 2 x 25 W into 8 Ω loads and 2 x 42 W into 4 Ω loads at THD+N = 10% and f = 1 kHz. - What is the total harmonic distortion + noise (THD+N) of the TPA3132D2RHBR?
The THD+N is 0.1% at 1 kHz, 1 W output. - Does the TPA3132D2RHBR have built-in protection features?
Yes, it includes overvoltage, undervoltage, overtemperature, DC-detect, and short-circuit protection with error reporting. - What is the switching frequency range of the TPA3132D2RHBR?
The switching frequency can be up to 1.2 MHz. - What is the ambient temperature range for the TPA3132D2RHBR?
The ambient temperature range is -40°C to 85°C. - What package type is the TPA3132D2RHBR available in?
The TPA3132D2RHBR is available in a 32-Pin VQFN Pad-Down package. - What are the key applications of the TPA3132D2RHBR?
The key applications include home audio systems, automotive audio systems, portable audio devices, professional audio equipment, and consumer electronics. - How does the TPA3132D2RHBR manage heat dissipation?
The TPA3132D2RHBR uses a thermally enhanced package with PowerPAD for efficient heat dissipation. - Can the TPA3132D2RHBR operate in both stereo and mono modes?
Yes, it can operate in both stereo and mono modes with a single-filter mono configuration.
