Produktdetails

Audio input type Digital Input Architecture Class-D Speaker channels (max) Stereo Rating Catalog Power stage supply (max) (V) 26 Power stage supply (min) (V) 8 Load (min) (Ω) 4 Output power (W) 25 SNR (dB) 106 THD + N at 1 kHz (%) 0.03 Iq (typ) (mA) 26 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) Stereo Rating Catalog Power stage supply (max) (V) 26 Power stage supply (min) (V) 8 Load (min) (Ω) 4 Output power (W) 25 SNR (dB) 106 THD + N at 1 kHz (%) 0.03 Iq (typ) (mA) 26 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
HTQFP (PHP) 48 81 mm² 9 x 9
  • Audio Input and Output
    • 25 W Into an 8-Ω Load From a 20-V Supply
    • Wide PVDD Range, From 8 V to 26 V
    • Supports BTL Configuration With 4-Ω Load
    • Efficient Class-D Operation Eliminates Need for Heatsinks
    • One Serial Audio Input (Two Audio Channels)
    • I2C Address Selection Pin (Chip Select)
    • Single Output Filter PBTL Support
    • Supports 44.1-kHz to 48-kHz Sample Rate (LJ/RJ/I2S)
  • Audio and PWM Processing
    • Independent Channel Volume Controls With Gain of 24 dB to Mute With 0.125-dB Resolution Steps
    • Programmable Two-Band Dynamic-Range Control
    • 18 Programmable Biquads for Speaker EQ and Other Audio-Processing Features
    • Programmable Coefficients for DRC Filters
    • DC Blocking Filters
  • General Features
    • I2C Serial Control Interface Operational Without MCLK
    • Requires Only 3.3 V and PVDD
    • No External Oscillator: Internal Oscillator for Automatic Rate Detection
    • Surface-Mount, 48-Pin HTQFP Package
    • Thermal and Short-Circuit Protection
    • 106-dB SNR, A-Weighted
    • AD, BD, and Ternary Modulation
    • Up to 90% Efficient
    • PWM Level Meter to Measure the Digital Power Profile
  • Benefits
    • EQ: Speaker Equalization Improves Audio Performance
    • Two-Band DRC: Dynamic Range Compression. Can Be Used As Power Limiter. Enables Speaker Protection, Easy Listening, Night-Mode Listening
    • Autodetect: Automatically Detects Sample-Rate Changes. No Need for External Microprocessor Intervention
  • Audio Input and Output
    • 25 W Into an 8-Ω Load From a 20-V Supply
    • Wide PVDD Range, From 8 V to 26 V
    • Supports BTL Configuration With 4-Ω Load
    • Efficient Class-D Operation Eliminates Need for Heatsinks
    • One Serial Audio Input (Two Audio Channels)
    • I2C Address Selection Pin (Chip Select)
    • Single Output Filter PBTL Support
    • Supports 44.1-kHz to 48-kHz Sample Rate (LJ/RJ/I2S)
  • Audio and PWM Processing
    • Independent Channel Volume Controls With Gain of 24 dB to Mute With 0.125-dB Resolution Steps
    • Programmable Two-Band Dynamic-Range Control
    • 18 Programmable Biquads for Speaker EQ and Other Audio-Processing Features
    • Programmable Coefficients for DRC Filters
    • DC Blocking Filters
  • General Features
    • I2C Serial Control Interface Operational Without MCLK
    • Requires Only 3.3 V and PVDD
    • No External Oscillator: Internal Oscillator for Automatic Rate Detection
    • Surface-Mount, 48-Pin HTQFP Package
    • Thermal and Short-Circuit Protection
    • 106-dB SNR, A-Weighted
    • AD, BD, and Ternary Modulation
    • Up to 90% Efficient
    • PWM Level Meter to Measure the Digital Power Profile
  • Benefits
    • EQ: Speaker Equalization Improves Audio Performance
    • Two-Band DRC: Dynamic Range Compression. Can Be Used As Power Limiter. Enables Speaker Protection, Easy Listening, Night-Mode Listening
    • Autodetect: Automatically Detects Sample-Rate Changes. No Need for External Microprocessor Intervention

The TAS5727 is a 25-W, efficient, digital-audio 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 TAS5727 is a slave-only device receiving all clocks from external sources. The TAS5727 operates with a PWM carrier 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.

The TAS5727 is a 25-W, efficient, digital-audio 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 TAS5727 is a slave-only device receiving all clocks from external sources. The TAS5727 operates with a PWM carrier 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.

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Technische Dokumentation

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Typ Titel Datum
* Data sheet TAS5727 25-W Digital Audio Power Amplifier With EQ and DRC datasheet (Rev. B) PDF | HTML 16 Dez 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
User guide 25W Stereo Digital Amplifier 01 Sep 2010

Design und Entwicklung

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Evaluierungsplatine

TAS5727EVM — TAS5727EVM-Evaluierungsmodul

The TAS5727EVM evaluation module demonstrates the capabilities TAS5727PHP. The TAS5727 is a 25W stereo class-D audio power amplifier with low RDSON that significantly improves thermal performance. The TAS5727EVM and accompanying materials allows the developer to experiment with the two-band DRC, (...)

Benutzerhandbuch: PDF
GUI für Evaluierungsmodul (EVM)

SLOC228 TAS57X_v3.2_Build_7 GUI Setup

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Evaluierungsplatine
TAS5715EVM TAS5715EVM-Evaluierungsmodul TAS5717EVM TAS5717EVM-Evaluierungsmodul TAS5719EVM TAS5719EVM-Evaluierungsmodul TAS5727EVM TAS5727EVM-Evaluierungsmodul
Gerberdatei

TAS5727EVM RevA Gerber Files

SLOC247.ZIP (467 KB)
Simulationstool

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PSpice® für TI ist eine Design- und Simulationsumgebung, welche Sie dabei unterstützt, die Funktionalität analoger Schaltungen zu evaluieren. Diese voll ausgestattete Design- und Simulationssuite verwendet eine analoge Analyse-Engine von Cadence®. PSpice für TI ist kostenlos erhältlich und (...)
Gehäuse Pins CAD-Symbole, Footprints und 3D-Modelle
HTQFP (PHP) 48 Ultra Librarian

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