TAS5731
20-W stereo, 41-W mono, 8- to 21.5-V, digital input open loop Class-D audio amplifier w/ 2.1 support
TAS5731
- 2-Ch I2S Input; 8-kHz to 48-kHz fS
- 20-W Stereo, 8 Ω/18 V (THD+N = 10%)
- Up to 90% Efficient Operation
- Wide 8-V to- 21-V Supply Range;
3.3-V Digital Supply - Single-Device 2.1 Support (2 × SE + 1 × BTL)
- 70-mΩ RDS(on) Device That Can Support
2-Ω SE and 4-Ω BTL Modes- 12 V / 2 Ω / 8 W With SE mode
- 12 V / 4 Ω / 15 W With BTL mode
- Speaker EQ (8 BQ per Channel), 2× DRCs
- P2P Compatible With the TAS5727
- Benefits
- Direct Connect to Digital Processor
- High Output Power From a Standard Supply
- Eliminates Need for Heat Sink
- Advanced Processing Improves Audio Experience
The TAS5731 is a 20-W, efficient, digital-audio stereo power amplifier for driving stereo bridge-tied speakers. One serial data input allows processing of up to two discrete audio channels and seamless integration to most digital audio processors and MPEG decoders. The device accepts a wide range of input data and data rates. A fully programmable data path routes these channels to the internal speaker drivers.
The TAS5731 is a slave-only device receiving all clocks from external sources. The TAS5731 operates with a PWM carrier between a 384-kHz switching rate and a 352-kHz switching rate, depending on the input sample rate. Oversampling combined with a fourth-order noise shaper provides a flat noise floor and excellent dynamic range from 20 Hz to 20 kHz.
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Technical documentation
Type | Title | Date | ||
---|---|---|---|---|
* | Data sheet | 20-W STEREO DIGITAL AUDIO POWER AMPLIFIER WITH DSP AND 2.1 MODE datasheet (Rev. A) | 25 Sep 2013 | |
Application note | Guidelines for Measuring Audio Power Amplifier Performance (Rev. A) | 26 Aug 2019 | ||
Application note | AN-1849 An Audio Amplifier Power Supply Design (Rev. C) | 27 Jun 2019 | ||
EVM User's guide | TAS5731 EVM Users Guide (Rev. A) | 27 Aug 2014 | ||
Application note | AN-1737 Managing EMI in Class D Audio Applications (Rev. A) | 01 May 2013 |
Design & development
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