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TAS5634

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Amplificador de audio estéreo de 300 W y mono de 600 W, Clase D, entrada PWM y alimentación de 12 V

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TAS5634

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Detalles del producto

Audio input type PWM Architecture Class-D Speaker channels (max) 4 Rating Catalog Power stage supply (max) (V) 58 Power stage supply (min) (V) 12 Load (min) (Ω) 3 Output power (W) 300 SNR (dB) 105 THD + N at 1 kHz (%) 0.025 Iq (typ) (mA) 29.5 Control interface Hardware Closed/open loop Closed Analog supply (min) (V) 10.8 Analog supply voltage (max) (V) 13.2 PSRR (dB) 70 Operating temperature range (°C) 0 to 70
Audio input type PWM Architecture Class-D Speaker channels (max) 4 Rating Catalog Power stage supply (max) (V) 58 Power stage supply (min) (V) 12 Load (min) (Ω) 3 Output power (W) 300 SNR (dB) 105 THD + N at 1 kHz (%) 0.025 Iq (typ) (mA) 29.5 Control interface Hardware Closed/open loop Closed Analog supply (min) (V) 10.8 Analog supply voltage (max) (V) 13.2 PSRR (dB) 70 Operating temperature range (°C) 0 to 70
HTSSOP (DDV) 44 113.4 mm² 14 x 8.1
  • PWM-Input, Class-D Amplifier Power Stage compatible with TI Digital-Input (I2S) Audio Processors and Modulators
  • HD Integrated Closed-Loop Feedback provides:
    • 0.025% THD at 1 W into 6 Ω
    • >70 dB PSRR (No Input Signal)
    • >105 dB SNR (A-weighted)
  • Output Power at 10%THD+N
    • 600 W / 3 Ω PBTL Mono Configuration
    • 300 W / 6 Ω BTL Stereo Configuration
    • 230 W / 8 Ω BTL Stereo Configuration
  • Output Power at 1%THD+N
    • 465 W / 3 Ω PBTL Mono Configuration
    • 240 W / 6 Ω BTL Stereo Configuration
    • 180 W / 8 Ω BTL Stereo Configuration
  • Integrated 80 mΩ MOSFETs for Reduced Heatsink Size
    • >91% Efficiency at Full Output Power
    • >75% Efficiency at 1/8 Output Power
  • Click and Pop Free Startup
  • Device Protection: Undervoltage, Over Temperature, Overcurrent, Short Circuit Protection and DC Speaker Protection
  • Pre-Clipping Output Signal for Control of a Class-G Power Supply
  • 44-Pin HTSSOP (DDV) Package with Thermal Pad on the Top
  • PWM-Input, Class-D Amplifier Power Stage compatible with TI Digital-Input (I2S) Audio Processors and Modulators
  • HD Integrated Closed-Loop Feedback provides:
    • 0.025% THD at 1 W into 6 Ω
    • >70 dB PSRR (No Input Signal)
    • >105 dB SNR (A-weighted)
  • Output Power at 10%THD+N
    • 600 W / 3 Ω PBTL Mono Configuration
    • 300 W / 6 Ω BTL Stereo Configuration
    • 230 W / 8 Ω BTL Stereo Configuration
  • Output Power at 1%THD+N
    • 465 W / 3 Ω PBTL Mono Configuration
    • 240 W / 6 Ω BTL Stereo Configuration
    • 180 W / 8 Ω BTL Stereo Configuration
  • Integrated 80 mΩ MOSFETs for Reduced Heatsink Size
    • >91% Efficiency at Full Output Power
    • >75% Efficiency at 1/8 Output Power
  • Click and Pop Free Startup
  • Device Protection: Undervoltage, Over Temperature, Overcurrent, Short Circuit Protection and DC Speaker Protection
  • Pre-Clipping Output Signal for Control of a Class-G Power Supply
  • 44-Pin HTSSOP (DDV) Package with Thermal Pad on the Top

The TAS5634 is a PWM-input, Class-D amplifier power stage that supports 2 x 300 W (6 Ω) or 1 x 600 W (3 Ω) output power with a nominal power supply voltage of 58V. The 58V supply voltage provides support for higher impedance speaker loads including 6 Ω in BTL and 3 Ω in PBTL. Integrated MOSFETs and a new gate drive scheme provide high peak efficiency and low idle losses to reduce thermal solution size.

The TAS5634 uses a closed-loop feedback design with constant voltage gain. The internally matched gain resistors ensure a high power supply rejection ratio (PSRR) and low output noise due to switch mode power supplies (SMPS).

The TAS5634 is a fully integrated power stage compatible with TI’s portfolio of digital-input (I2S) audio processors and modulators, like the TAS5548 and TAS5558, making it a complete digital-input Class-D amplifier. The TAS5634 is available in the surface mount 44-pin HTSSOP package and is part of a pin-compatible family of PWM-input Class-D power stages including the TAS5612LA, TAS5614LA and TAS5624A.

The TAS5634 is a PWM-input, Class-D amplifier power stage that supports 2 x 300 W (6 Ω) or 1 x 600 W (3 Ω) output power with a nominal power supply voltage of 58V. The 58V supply voltage provides support for higher impedance speaker loads including 6 Ω in BTL and 3 Ω in PBTL. Integrated MOSFETs and a new gate drive scheme provide high peak efficiency and low idle losses to reduce thermal solution size.

The TAS5634 uses a closed-loop feedback design with constant voltage gain. The internally matched gain resistors ensure a high power supply rejection ratio (PSRR) and low output noise due to switch mode power supplies (SMPS).

The TAS5634 is a fully integrated power stage compatible with TI’s portfolio of digital-input (I2S) audio processors and modulators, like the TAS5548 and TAS5558, making it a complete digital-input Class-D amplifier. The TAS5634 is available in the surface mount 44-pin HTSSOP package and is part of a pin-compatible family of PWM-input Class-D power stages including the TAS5612LA, TAS5614LA and TAS5624A.

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Documentación técnica

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* Data sheet TAS5634 300-W Stereo / 600-W Mono HD Digital Input, 58V Class-D Amplifier Power Stage datasheet PDF | HTML 03 ene 2013
EVM User's guide TAS5634 Evaluation Module User's Guide 05 oct 2017

Diseño y desarrollo

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Placa de evaluación

TAS5634EVM — TAS5634 Módulo de evaluación de etapa de potencia del amplificador de clase D de 58 V, con entrada d

The TAS5634EVM evaluation module demonstrates the TAS5634DDV integrated circuit from Texas Instruments. The TAS5634DDV is a high-power class-D with high-efficiency class-D technology. This EVM supports two BTL (stereo 2.0) output channels, one PBTL (mono 0.1) output channel, one BTL plus two SE (...)
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Modelo de simulación

TAS5634 IBIS Model

SLAM196.ZIP (25 KB) - IBIS Model
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Herramienta de simulación

PSPICE-FOR-TI — PSpice® para herramienta de diseño y simulación de TI

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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HTSSOP (DDV) 44 Ver opciones
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