TAS5701

ACTIVO

Amplificador de audio de clase D de circuito abierto con control H/W, estéreo de 20 W, fuente de ali

Detalles del producto

Audio input type Digital Input Architecture Class-D Speaker channels (max) Stereo Rating Catalog Power stage supply (max) (V) 21 Power stage supply (min) (V) 10 Load (min) (Ω) 6 Output power (W) 20 SNR (dB) 100 THD + N at 1 kHz (%) 0.05 Iq (typ) (mA) 30 Control interface Hardware Closed/open loop Open Analog supply (min) (V) 3 Analog supply voltage (max) (V) 3.6 Sampling rate (max) (kHz) 192 PSRR (dB) 60 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) 21 Power stage supply (min) (V) 10 Load (min) (Ω) 6 Output power (W) 20 SNR (dB) 100 THD + N at 1 kHz (%) 0.05 Iq (typ) (mA) 30 Control interface Hardware Closed/open loop Open Analog supply (min) (V) 3 Analog supply voltage (max) (V) 3.6 Sampling rate (max) (kHz) 192 PSRR (dB) 60 Operating temperature range (°C) 0 to 85
HTQFP (PAP) 64 144 mm² 12 x 12
  • Audio Input/Output
    • 20-W Into an 8- Load From an 18-V Supply
    • Wide PVDD Range (0 V to 21 V)
    • Efficient Class-D Operation Eliminates Need for Heat Sinks
    • Two Serial Audio Inputs (3 Audio channels)
    • Supports 32-kHz to 192-kHz Sample Rates (LJ/RJ/I2S)
    • Line-Level Subwoofer PWM Outputs
  • Audio/PWM Processing
    • BD (Filter-free) Modulation Supporting Bridge-Tied Loads ONLY
    • 4-Step Volume Control (0 dB, 6 dB, 12 dB, 18 dB)
      – All Channels Share Same Control
    • Soft Mute (50% Duty Cycle)
    • DC Blocking Filters
    • Fixed Maximum Modulation Limit At 97.7%
    • ≥100-dB SNR – Measured at Maximum Output With THD+N = 1%, 1 kHz,
      A-Weighted Noise, Gain = 0 dB
    • THD < 0.1% at 1/2 Rated Power
  • General Features
    • 5-V Tolerant Inputs (See pin list for details on which inputs are 5-V tolerant)
    • Shutdown Mode for Low Power Consumption
    • Thermal and Short-Circuit Protection
    • Autodetect: Automatically Detect Sample-Rate Changes –
      No Need for External Microprocessor Intervention

  • Audio Input/Output
    • 20-W Into an 8- Load From an 18-V Supply
    • Wide PVDD Range (0 V to 21 V)
    • Efficient Class-D Operation Eliminates Need for Heat Sinks
    • Two Serial Audio Inputs (3 Audio channels)
    • Supports 32-kHz to 192-kHz Sample Rates (LJ/RJ/I2S)
    • Line-Level Subwoofer PWM Outputs
  • Audio/PWM Processing
    • BD (Filter-free) Modulation Supporting Bridge-Tied Loads ONLY
    • 4-Step Volume Control (0 dB, 6 dB, 12 dB, 18 dB)
      – All Channels Share Same Control
    • Soft Mute (50% Duty Cycle)
    • DC Blocking Filters
    • Fixed Maximum Modulation Limit At 97.7%
    • ≥100-dB SNR – Measured at Maximum Output With THD+N = 1%, 1 kHz,
      A-Weighted Noise, Gain = 0 dB
    • THD < 0.1% at 1/2 Rated Power
  • General Features
    • 5-V Tolerant Inputs (See pin list for details on which inputs are 5-V tolerant)
    • Shutdown Mode for Low Power Consumption
    • Thermal and Short-Circuit Protection
    • Autodetect: Automatically Detect Sample-Rate Changes –
      No Need for External Microprocessor Intervention

The TAS5701 is a 20-W efficient, digital audio power amplifier for driving stereo bridge-tied speakers. Two serial data inputs support up to 3 discrete audio channels. The SDIN1 input is routed to the internal left and right outputs. The SDIN2 input is dedicated to the SUB_PWM± outputs.

The TAS5701 is a clock slave-only device receiving clocks from external sources. The TAS5701 operates at a 384-kHz switching rate for 32-, 48-, 96-, and 192-kHz data and 352.8-kHz switching rate 44.1-,88.2-, and 176.4-kHz data. The 8× oversampling combined with the fourth-order noise shaper provides a flat noise floor and excellent dynamic range from 20 Hz to 20 kHz.

The TAS5701 is a 20-W efficient, digital audio power amplifier for driving stereo bridge-tied speakers. Two serial data inputs support up to 3 discrete audio channels. The SDIN1 input is routed to the internal left and right outputs. The SDIN2 input is dedicated to the SUB_PWM± outputs.

The TAS5701 is a clock slave-only device receiving clocks from external sources. The TAS5701 operates at a 384-kHz switching rate for 32-, 48-, 96-, and 192-kHz data and 352.8-kHz switching rate 44.1-,88.2-, and 176.4-kHz data. The 8× oversampling combined with the fourth-order noise shaper provides a flat noise floor and excellent dynamic range from 20 Hz to 20 kHz.

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Documentación técnica

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Tipo Título Fecha
* Data sheet 20-W Stereo Digital Audio Power Amplifier, TAS5701 datasheet (Rev. A) 19 jul 2010
Application note Using Thermal Calculation Tools for Analog Components (Rev. A) 30 ago 2019
Application note Guidelines for Measuring Audio Power Amplifier Performance (Rev. A) 26 ago 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
EVM User's guide TAS5701EVM - User Guide (Rev. A) 05 dic 2008

Diseño y desarrollo

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PSpice® for TI is a design and simulation environment that helps evaluate functionality of analog circuits. This full-featured, design and simulation suite uses an analog analysis engine from Cadence®. Available at no cost, PSpice for TI includes one of the largest model libraries in the (...)
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HTQFP (PAP) 64 Ver opciones

Pedidos y calidad

Información incluida:
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  • REACH
  • Marcado del dispositivo
  • Acabado de plomo/material de la bola
  • Clasificación de nivel de sensibilidad a la humedad (MSL) / reflujo máximo
  • Estimaciones de tiempo medio entre fallas (MTBF)/fallas en el tiempo (FIT)
  • Contenido del material
  • Resumen de calificaciones
  • Monitoreo continuo de confiabilidad
Información incluida:
  • Lugar de fabricación
  • Lugar de ensamblaje

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