Product details

Audio input type Digital Input Architecture Class-D Speaker channels (Max) Stereo Power stage supply (Max) (V) 26.4 Power stage supply (Min) (V) 8 Load (Min) (ohms) 2 Output power (W) 30 SNR (dB) 104 THD + N @ 1 kHz (%) 0.03 Iq (Typ) (mA) 27 Control interface Software Closed/open loop Open Analog supply (Min) (V) 3 Analog supply (Max) (V) 3.6 Sampling rate (Max) (kHz) 48 Operating temperature range (C) -40 to 85
Audio input type Digital Input Architecture Class-D Speaker channels (Max) Stereo Power stage supply (Max) (V) 26.4 Power stage supply (Min) (V) 8 Load (Min) (ohms) 2 Output power (W) 30 SNR (dB) 104 THD + N @ 1 kHz (%) 0.03 Iq (Typ) (mA) 27 Control interface Software Closed/open loop Open Analog supply (Min) (V) 3 Analog supply (Max) (V) 3.6 Sampling rate (Max) (kHz) 48 Operating temperature range (C) -40 to 85
HTQFP (PHP) 48 49 mm² 7 x 7
  • 2-Ch I2S Input; 8-kHz to 48-kHz fS
  • 30-W Stereo, 8 Ω/24 V (THD+N = 10%)
  • Up to 90% Efficient Operation
  • Wide 8-V to- 24-V Supply Range; 3.3-V Digital
    Supply
  • Single-Device 2.1 Support (2 × SE + 1 × BTL)
  • 80-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
  • Pin-to-Pin Compatible With the TAS5727 and
    TAS5731
  • Benefits:
    • Direct Connect to Digital Processor
    • High Output Power From a Standard Supply
    • Eliminates the Need for Heat Sink
    • Advanced Processing Improves Audio
      Experience
  • 2-Ch I2S Input; 8-kHz to 48-kHz fS
  • 30-W Stereo, 8 Ω/24 V (THD+N = 10%)
  • Up to 90% Efficient Operation
  • Wide 8-V to- 24-V Supply Range; 3.3-V Digital
    Supply
  • Single-Device 2.1 Support (2 × SE + 1 × BTL)
  • 80-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
  • Pin-to-Pin Compatible With the TAS5727 and
    TAS5731
  • Benefits:
    • Direct Connect to Digital Processor
    • High Output Power From a Standard Supply
    • Eliminates the Need for Heat Sink
    • Advanced Processing Improves Audio
      Experience

The TAS5731M is a 30-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 TAS5731M is a slave-only device receiving all clocks from external sources. The TAS5731M 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.

The TAS5731M is a 30-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 TAS5731M is a slave-only device receiving all clocks from external sources. The TAS5731M 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

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Type Title Date
* Data sheet TAS5731M 2 × 30-W Digital Audio Power Amplifier With DSP and 2.1 Mode datasheet (Rev. C) PDF | HTML 31 Aug 2015
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
Application note AN-1737 Managing EMI in Class D Audio Applications (Rev. A) 01 May 2013

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TAS5731 IBIS Model

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