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TAS5721

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Class-D-Audioverstärker, 10 W Stereo, 8 bis 26,4 V, digitaler Eingang, Open Loop, mit 2.1-Unterstütz

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Datenblatt

TAS5721

AKTIV
Datenblatt Jetzt bestellen

Produktdetails

Audio input type Digital Input Architecture Class-D Speaker channels (max) 3 Rating Catalog Power stage supply (max) (V) 26.4 Power stage supply (min) (V) 4.5 Load (min) (Ω) 4 Output power (W) 10 SNR (dB) 106 THD + N at 1 kHz (%) 0.07 Iq (typ) (mA) 21 Control interface Software Closed/open loop Open Analog supply (min) (V) 3 Analog supply voltage (max) (V) 3.6 Sampling rate (max) (kHz) 48 Operating temperature range (°C) 0 to 85
Audio input type Digital Input Architecture Class-D Speaker channels (max) 3 Rating Catalog Power stage supply (max) (V) 26.4 Power stage supply (min) (V) 4.5 Load (min) (Ω) 4 Output power (W) 10 SNR (dB) 106 THD + N at 1 kHz (%) 0.07 Iq (typ) (mA) 21 Control interface Software Closed/open loop Open Analog supply (min) (V) 3 Analog supply voltage (max) (V) 3.6 Sampling rate (max) (kHz) 48 Operating temperature range (°C) 0 to 85
HTSSOP (DCA) 48 101.25 mm² 12.5 x 8.1
  • Audio Input/Output
    • 10 W x 2 into 8 Ω With PVDD = 24 V
    • 8 W × 2 + 12 W × 1 into 8 Ω With PVDD = 24 V
    • Supports 2.0, Single Device 2.1, and Mono Modes
    • Supports 8-kHz to 48-kHz Sample Rate (LJ/RJ/I2S)
    • Integrated DirectPath™ Headphone Amplifier and 2 VRMS Line Driver
  • Audio/PWM Processing
    • Independent Channel Volume Controls With 24-dB to Mute in 0.5 dB Steps
    • Separate Dynamic Range Control for Satellite and Sub Channels
    • 21 Programmable Biquads for Speaker EQ
    • Programmable Two-Band Dynamic Range Control
    • Support for 3D Effects
  • General Features
    • I2C™ Serial Control Interface Operational Without MCLK
    • Configurable I2C Address (0x34 or 0x36)
    • Automatic Sample Rate Detection
    • Thermal and Short-Circuit Protection
    • Wide PVDD Supply Range (4.5 V to 24 V)
  • Audio Input/Output
    • 10 W x 2 into 8 Ω With PVDD = 24 V
    • 8 W × 2 + 12 W × 1 into 8 Ω With PVDD = 24 V
    • Supports 2.0, Single Device 2.1, and Mono Modes
    • Supports 8-kHz to 48-kHz Sample Rate (LJ/RJ/I2S)
    • Integrated DirectPath™ Headphone Amplifier and 2 VRMS Line Driver
  • Audio/PWM Processing
    • Independent Channel Volume Controls With 24-dB to Mute in 0.5 dB Steps
    • Separate Dynamic Range Control for Satellite and Sub Channels
    • 21 Programmable Biquads for Speaker EQ
    • Programmable Two-Band Dynamic Range Control
    • Support for 3D Effects
  • General Features
    • I2C™ Serial Control Interface Operational Without MCLK
    • Configurable I2C Address (0x34 or 0x36)
    • Automatic Sample Rate Detection
    • Thermal and Short-Circuit Protection
    • Wide PVDD Supply Range (4.5 V to 24 V)

The TAS5721 is an efficient, digital-input audio amplifier for driving 2.0 speaker systems configured as a bridge tied load (BTL), 2.1 systems with two satellite speakers and one subwoofer, or in PBTL systems driving a single speaker configured as a parallel bridge tied load (PBTL). 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 formats and sample rates. A fully programmable data path routes these channels to the internal speaker drivers.

The TAS5721 is a slave-only device, receiving all clocks from external sources. The TAS5721 operates with a PWM carrier frequency between a 384-kHz switching rate and a 288-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.

An integrated ground centered DirectPath™ combination headphone amplifier and 2VRMS line driver is integrated in the TAS5721.

The TAS5721 is an efficient, digital-input audio amplifier for driving 2.0 speaker systems configured as a bridge tied load (BTL), 2.1 systems with two satellite speakers and one subwoofer, or in PBTL systems driving a single speaker configured as a parallel bridge tied load (PBTL). 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 formats and sample rates. A fully programmable data path routes these channels to the internal speaker drivers.

The TAS5721 is a slave-only device, receiving all clocks from external sources. The TAS5721 operates with a PWM carrier frequency between a 384-kHz switching rate and a 288-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.

An integrated ground centered DirectPath™ combination headphone amplifier and 2VRMS line driver is integrated in the TAS5721.
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Technische Dokumentation

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Typ Titel Datum
* Data sheet TAS5721 Digital Audio Power Amplifier With EQ, DRC, 2.1 Support, and Headphone/Line Driver datasheet (Rev. A) PDF | HTML 31 Mär 2016
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 Mai 2013
EVM User's guide TAS5721-TAS5723EVM User's Guide 22 Jun 2012

Design und Entwicklung

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Evaluierungsplatine

TAS5721EVM — TAS5721-Evaluierungsmodul

The TAS5721EVM demonstrates the TAS5721xx / TAS5723xx / TAS5729xx devices from Texas Instruments. The TAS5721 / TAS5723 / TAS5729 combine a high-performance PWM processor with a class-D audio power amplifier. This EVM can be configured with two single-ended speakers with a BTL subwoofers (2.1) with (...)

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TAS571XSW-LINUX — Linux-Treiber für TAS571X

The Linux driver supports the TAS571x family of Digital input stereo amplifiers. The Linux driver supports communication through the I2C bus and interfaces with the Linux DAI (Digital Audio Interface) class.
Linux Mainline Status

Available in Linux Main line: Yes
Available through git.ti.com: N/A

(...)
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Simulationsmodell

TAS5721 IBIS Model

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