Overview
The TAS5822MDCPR is a high-efficiency, digital input, stereo, closed-loop Class-D audio amplifier produced by Texas Instruments. This device is designed for driving loudspeakers in various consumer, commercial, and industrial electronics applications. It features a high-performance closed-loop architecture and supports up to 96-kHz audio processing, making it suitable for demanding audio systems. The amplifier is known for its flexible audio I/O configurations and integrated self-protection mechanisms, ensuring reliable operation and minimal passive component requirements.
Key Specifications
| Parameter | Min | Max | Unit | |
|---|---|---|---|---|
| PVDD Supply | -0.3 | 30 | V | |
| DVDD Low-voltage digital supply | -0.3 | 3.9 | V | |
| Ambient Operating Temperature | -40 | 85 | °C | |
| Operating Junction Temperature | -40 | 160 | °C | |
| Switching Frequency | 384 kHz | 768 kHz | 1024 kHz | kHz |
| RDS(on) Drain-to-source on resistance | 90 | mΩ | ||
| Signal-to-Noise Ratio (SNR) | 111 | dB | ||
| Power Supply Rejection Ratio (PSRR) | 72 | dB |
Key Features
- Flexible audio I/O: Supports 32, 44.1, 48, 88.2, 96 kHz sample rates and I2S, LJ, RJ, TDM formats.
- Integrated audio processor with up to 96-kHz architecture.
- High efficiency 1SPW modulation with adjustable Class D loop bandwidth.
- Integrated self-protection: Over-current error (OCE), over-temperature warning (OTW), over-temperature error (OTE), and under/over-voltage lock-out (UVLO/OVLO).
- Ultra Low EMI with latest EMI technology and no large inductors required for most applications.
- I2C software control for easy system integration and reduced solution size.
- SDOUT for audio monitoring, pre-DSP or post-DSP data selection.
- Input Mixer, Output Crossbar, and 4th order 2-Band DRC + AGL.
Applications
- Sound bars and PC audio systems.
- Wireless and Bluetooth speakers.
- DTV, HDTV, UHD, and multi-purpose monitors.
Q & A
- What is the maximum output power of the TAS5822MDCPR?
The TAS5822MDCPR can deliver up to 35 watts of output power.
- What are the supported audio sample rates?
The device supports 32, 44.1, 48, 88.2, and 96 kHz sample rates.
- What are the key protection features of the TAS5822MDCPR?
The device includes over-current error (OCE), over-temperature warning (OTW), over-temperature error (OTE), and under/over-voltage lock-out (UVLO/OVLO) protections.
- What is the typical RDS(on) of the TAS5822MDCPR?
The typical RDS(on) is 90 mΩ.
- What is the signal-to-noise ratio (SNR) of the TAS5822MDCPR?
The SNR is typically 111 dB.
- What is the power supply rejection ratio (PSRR) of the TAS5822MDCPR?
The PSRR is typically 72 dB.
- What are the supported audio formats?
The device supports I2S, LJ, RJ, and TDM formats.
- How does the TAS5822MDCPR reduce EMI?
The device uses ultra-low EMI technology and does not require large inductors for most applications.
- What is the operating temperature range of the TAS5822MDCPR?
The operating temperature range is from -40°C to 85°C.
- What is the typical switching frequency of the TAS5822MDCPR?
The typical switching frequency is 768 kHz.
