Overview
The TAS5720LRSMT, produced by Texas Instruments, is a high-efficiency mono Class-D audio power amplifier designed for high transient power capability. This device is optimized to utilize the dynamic power headroom of small loudspeakers, making it suitable for various audio applications. The TAS5720LRSMT is part of the TAS5720x family, which includes the TAS5720L and TAS5720M models, each with different power supply voltage ranges. The TAS5720LRSMT specifically operates with a power supply voltage range of 4.5 V to 16.5 V.
Key Specifications
| Parameter | Value | Unit |
|---|---|---|
| Power Supply Voltage (PVDD, AVDD) | 4.5 - 16.5 | V |
| Digital Input Voltage (DVDD) | 3 - 3.6 | V |
| Continuous Average Power (RL = 4 Ω, 10% THD+N) | 6.6 | W |
| Continuous Average Power (RL = 8 Ω, 10% THD+N) | 3.7 | W |
| Efficiency (RL = 8 Ω, POUT = 9 W) | 91% | % |
| Operating Free-Air Temperature | -25 to 85 | °C |
| Operating Junction Temperature | -25 to 150 | °C |
| PWM Switching Frequency | 6 to 24 | MHz |
| Package Type | 32-pin VQFN | |
| Package Size | 4 mm × 4 mm |
Key Features
- Mono Class-D Amplifier capable of delivering up to 20 W at 0.15% THD into a 4-Ω speaker.
- TDM Audio Input supporting up to 8 channels (32-bit, 48 kHz).
- I2C control with 8 selectable I2C addresses.
- Thermal and short-circuit protection.
- Compact 32-pin VQFN package for reduced PCB footprint.
- High efficiency and transient power capability.
Applications
- Sub Woofers
- Boom Boxes
- Bar Speakers
- Surround Sound Systems
Q & A
- What is the power supply voltage range for the TAS5720LRSMT?
The power supply voltage range for the TAS5720LRSMT is 4.5 V to 16.5 V. - What is the maximum continuous average power output of the TAS5720LRSMT into a 4-Ω speaker?
The maximum continuous average power output is 6.6 W into a 4-Ω speaker at 10% THD+N. - Does the TAS5720LRSMT support TDM audio input?
Yes, it supports TDM audio input up to 8 channels (32-bit, 48 kHz). - What type of protection does the TAS5720LRSMT have?
The device has thermal and short-circuit protection. - What is the package type and size of the TAS5720LRSMT?
The package type is a 32-pin VQFN, and the size is 4 mm × 4 mm. - What is the operating free-air temperature range for the TAS5720LRSMT?
The operating free-air temperature range is -25°C to 85°C. - Can the TAS5720LRSMT be controlled via I2C?
Yes, it can be controlled via I2C with 8 selectable I2C addresses. - What are some typical applications for the TAS5720LRSMT?
Typical applications include sub woofers, boom boxes, bar speakers, and surround sound systems. - What is the PWM switching frequency range of the TAS5720LRSMT?
The PWM switching frequency range is from 6 MHz to 24 MHz. - How efficient is the TAS5720LRSMT?
The device has high efficiency, with up to 91% efficiency at certain operating conditions.
