Overview
The TAS2770RJQR is a high-performance, single-channel, digital input Class-D audio amplifier developed by Texas Instruments. Designed for efficiency, this amplifier is optimized to drive small speakers with peak power. It is housed in a compact 26-pin VQFN package, making it suitable for space-constrained applications. The TAS2770RJQR targets consumer electronics, portable audio devices, and automotive audio systems, offering a competitive edge with its integrated speaker voltage and current monitoring, battery tracking peak voltage limiter, and multi-device sharing capabilities.
Key Specifications
| Parameter | Value | Unit | Notes |
|---|---|---|---|
| Output Power (4 Ω, 12.6 V) | 15.4 | W | Peak |
| Output Power (4 Ω, 12.6 V) | 11.6 | W | Continuous |
| THD+N | 0.03 | % | 1 W, 4 Ω, VBAT = 12.6 V |
| PSRR | 90 | dB | 200 mV PP |
| Idle Channel Noise | 32 | µV RMS | A-weighted |
| Supply Voltage | 4.5 - 16 | V | |
| Package | VQFN-26 | 0.4 mm pitch |
Key Features
- High-efficiency Class-D amplifier for small speakers.
- Integrated speaker voltage and current monitoring for real-time speaker protection.
- Battery tracking peak voltage limiter for optimized performance across battery charge cycles.
- Multi-device sharing via I2S/TDM + I2C bus, supporting up to eight devices.
- Compact 26-pin VQFN package for space-constrained designs.
Applications
The TAS2770RJQR is ideal for various audio applications, including portable speakers, smart home devices, and automotive audio systems. Its high efficiency and compact design make it particularly suitable for battery-powered devices, while its advanced monitoring and protection features ensure reliable performance in demanding environments.
Q & A
What is the output power of the TAS2770RJQR?
The TAS2770RJQR delivers 15.4 W peak power and 11.6 W continuous power into a 4 Ω load at 12.6 V.
What is the THD+N performance of the TAS2770RJQR?
The THD+N is less than 0.03% at 1 W into a 4 Ω load with a 12.6 V battery supply.
What is the supply voltage range for the TAS2770RJQR?
The supply voltage range is 4.5 V to 16 V.
What package does the TAS2770RJQR use?
It uses a 26-pin VQFN package with a 0.4 mm pitch.
Does the TAS2770RJQR support multi-device sharing?
Yes, it supports up to eight devices sharing a common I2S/TDM + I2C bus.
What is the idle channel noise of the TAS2770RJQR?
The idle channel noise is 32 µV RMS (A-weighted).
What is the PSRR of the TAS2770RJQR?
The PSRR is 90 dB at 200 mV PP.
What are the key features of the TAS2770RJQR?
Key features include high efficiency, integrated speaker monitoring, battery tracking peak voltage limiter, and multi-device sharing capabilities.
What applications is the TAS2770RJQR suitable for?
It is suitable for portable speakers, smart home devices, and automotive audio systems.
What is the operating temperature range of the TAS2770RJQR?
The operating temperature range is not explicitly stated in the available information.
