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TPA2000D2

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Amplificador de audio estéreo de Clase D, entrada analógica y 2 W

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TPA2000D2

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Detalles del producto

Audio input type Analog Input Architecture Class-D Speaker channels (max) Stereo Rating Catalog Load (min) (Ω) 3 Output power (W) 2 SNR (dB) 87 THD + N at 1 kHz (%) 0.5 Iq (typ) (mA) 8 Control interface GPIO Analog supply (min) (V) 4.5 Analog supply voltage (max) (V) 5.5 PSRR (dB) 77 Operating temperature range (°C) -40 to 85
Audio input type Analog Input Architecture Class-D Speaker channels (max) Stereo Rating Catalog Load (min) (Ω) 3 Output power (W) 2 SNR (dB) 87 THD + N at 1 kHz (%) 0.5 Iq (typ) (mA) 8 Control interface GPIO Analog supply (min) (V) 4.5 Analog supply voltage (max) (V) 5.5 PSRR (dB) 77 Operating temperature range (°C) -40 to 85
HTSSOP (PWP) 24 49.92 mm² 7.8 x 6.4 TSSOP (PW) 24 49.92 mm² 7.8 x 6.4
  • Modulation Scheme Optimized to Operate Without a Filter
  • 2 W Into 3- Load
  • Extremely Efficient Third Generation 5-V Class-D Technology:
    • Low Supply Current (No Filter). . .8 mA
    • Low Supply Current (Filter). . .15 mA
    • Low Shutdown Current. . .1 µA
    • Low Noise Floor. . . 56 µVRMS
    • Maximum Efficiency Into 3 , 75-85%
    • 4 Internal Gain Settings. . .8-23.5 dB
    • PSRR. . .-77 dB
  • Integrated Depop Circuitry
  • Short-Circuit Protection (Short to Battery, Ground, and Load)
  • -40°C to 85°C Operating Temperature Range
  • Modulation Scheme Optimized to Operate Without a Filter
  • 2 W Into 3- Load
  • Extremely Efficient Third Generation 5-V Class-D Technology:
    • Low Supply Current (No Filter). . .8 mA
    • Low Supply Current (Filter). . .15 mA
    • Low Shutdown Current. . .1 µA
    • Low Noise Floor. . . 56 µVRMS
    • Maximum Efficiency Into 3 , 75-85%
    • 4 Internal Gain Settings. . .8-23.5 dB
    • PSRR. . .-77 dB
  • Integrated Depop Circuitry
  • Short-Circuit Protection (Short to Battery, Ground, and Load)
  • -40°C to 85°C Operating Temperature Range

The TPA2000D2 is the third generation 5-V class-D amplifier from Texas Instruments. Improvements to previous generation devices include: lower supply current, lower noise floor, better efficiency, four different gain settings, smaller packaging, and fewer external components. The most significant advancement with this device is its modulation scheme that allows the amplifier to operate without the output filter. Eliminating the output filter saves the user approximately 30% in system cost and 75% in PCB area.

The TPA2000D2 is a monolithic class-D power IC stereo audio amplifier, using the high switching speed of power MOSFET transistors. These transistors reproduce the analog signal through high-frequency switching of the output stage. The TPA2000D2 is configured as a bridge-tied load (BTL) amplifier capable of delivering greater than 2 W of continuous average power into a 3- load at 1 kHz, the typical THD+N is less than 0.08%.

A BTL configuration eliminates the need for external coupling capacitors on the output. Low supply current of 8 mA makes the device ideal for battery-powered applications. Protection circuitry increases device reliability: thermal, over-current, and under-voltage shutdown.

Efficient class-D modulation enables the TPA2000D2 to operate at full power into 3- loads at an ambient temperature of 85°C.

The TPA2000D2 is the third generation 5-V class-D amplifier from Texas Instruments. Improvements to previous generation devices include: lower supply current, lower noise floor, better efficiency, four different gain settings, smaller packaging, and fewer external components. The most significant advancement with this device is its modulation scheme that allows the amplifier to operate without the output filter. Eliminating the output filter saves the user approximately 30% in system cost and 75% in PCB area.

The TPA2000D2 is a monolithic class-D power IC stereo audio amplifier, using the high switching speed of power MOSFET transistors. These transistors reproduce the analog signal through high-frequency switching of the output stage. The TPA2000D2 is configured as a bridge-tied load (BTL) amplifier capable of delivering greater than 2 W of continuous average power into a 3- load at 1 kHz, the typical THD+N is less than 0.08%.

A BTL configuration eliminates the need for external coupling capacitors on the output. Low supply current of 8 mA makes the device ideal for battery-powered applications. Protection circuitry increases device reliability: thermal, over-current, and under-voltage shutdown.

Efficient class-D modulation enables the TPA2000D2 to operate at full power into 3- loads at an ambient temperature of 85°C.
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Documentación técnica

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Tipo Título Fecha
* Data sheet TPA2000D2: 2-W Filterless Stereo Class-D Audio Power Amplifier datasheet (Rev. F) 01 nov 2004
Application note Measuring Class-D Amplifiers for Audio Speaker Overstress Testing 28 oct 2005
User guide TPA2000D2EVM - User Guide (Rev. A) 03 ago 2000

Diseño y desarrollo

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Placa de evaluación

TPA2000D2EVM — Módulo de evaluación (EVM) TPA2000D2

The TPA2000D2, is a stereo Class-D audio power amplifier and the first device in TI's new family of filter-free Class-D audio amplifiers. The TPA2000D2 has an output power of 2-Watts RMS or of 4-Watts peak into 4 Ohm speakers. By eliminating the need for bulky LC output filters, TI's new audio (...)

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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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HTSSOP (PWP) 24 Ver opciones
TSSOP (PW) 24 Ver opciones
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