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TPA0103

ACTIVO

Amplificador de audio estéreo de Clase AB, entrada analógica y 1.75 W

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TPA0213 ACTIVO Amplificador de audio mono de Clase AB, entrada analógica y 2 W con amplificador para auriculares y Higher output power

TPA0103

ACTIVO
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Detalles del producto

Audio input type Analog Input Architecture Class-AB Speaker channels (max) Stereo Rating Catalog Load (min) (Ω) 4 Output power (W) 1.75 SNR (dB) 94 THD + N at 1 kHz (%) 0.25 Iq (typ) (mA) 19 Control interface GPIO Analog supply (min) (V) 4.5 Analog supply voltage (max) (V) 5.5 PSRR (dB) 80 Operating temperature range (°C) to
Audio input type Analog Input Architecture Class-AB Speaker channels (max) Stereo Rating Catalog Load (min) (Ω) 4 Output power (W) 1.75 SNR (dB) 94 THD + N at 1 kHz (%) 0.25 Iq (typ) (mA) 19 Control interface GPIO Analog supply (min) (V) 4.5 Analog supply voltage (max) (V) 5.5 PSRR (dB) 80 Operating temperature range (°C) to
HTSSOP (PWP) 24 49.92 mm² 7.8 x 6.4
  • Desktop Computer Amplifier Solution
    • 1.75-W Bridge Tied Load (BTL) Center Channel
    • 500-mW L/R Single-Ended Channels
  • Low Distortion Output
    • < 0.05% THD+N at Full Power
  • Full 3.3-V and 5-V Specifications
  • Surface-Mount Power Package
    24-Pin TSSOP
  • L/R Input MUX Feature
  • Shutdown Control...IDD = 5 uA

    PowerPAD is a trademark of Texas Instruments Incorporated.
  • Desktop Computer Amplifier Solution
    • 1.75-W Bridge Tied Load (BTL) Center Channel
    • 500-mW L/R Single-Ended Channels
  • Low Distortion Output
    • < 0.05% THD+N at Full Power
  • Full 3.3-V and 5-V Specifications
  • Surface-Mount Power Package
    24-Pin TSSOP
  • L/R Input MUX Feature
  • Shutdown Control...IDD = 5 uA

    PowerPAD is a trademark of Texas Instruments Incorporated.

The TPA0103 is a 3-channel audio power amplifier in a 24-pin TSSOP thermal package primarily targeted at desktop PC or notebook applications. The left/right (L/R) channel outputs are single ended (SE) and capable of delivering 500 mW of continuous RMS power per channel into 4- loads with a 3.3-V supply voltage.

Amplifier gain is externally configured by means of two resistors per input channel and does not require external compensation for settings of 1 to 10. A two channel input MUX circuit is integrated on the L/R channel inputs to allow two sets of stereo inputs to the amplifier. In the typical application, the center channel amplifier is driven from a mix of the L/R inputs to produce a monaural representation of the stereo signal. The center channel amplifier can be shut down independently of the L/R output for speaker muting in headphone applications. The TPA0103 also features a full shutdown function for power sensitive applications holding the bias current to 5 uA.

The PowerPAD package (PWP) delivers a level of thermal performance that was previously achievable only in TO-220-type packages. Thermal impedances of less than 35°C/W are readily realized in multilayer PCB applications. This allows the TPA0103 to operate at full power at ambient temperature of up to 85°C.

The TPA0103 is a 3-channel audio power amplifier in a 24-pin TSSOP thermal package primarily targeted at desktop PC or notebook applications. The left/right (L/R) channel outputs are single ended (SE) and capable of delivering 500 mW of continuous RMS power per channel into 4- loads with a 3.3-V supply voltage.

Amplifier gain is externally configured by means of two resistors per input channel and does not require external compensation for settings of 1 to 10. A two channel input MUX circuit is integrated on the L/R channel inputs to allow two sets of stereo inputs to the amplifier. In the typical application, the center channel amplifier is driven from a mix of the L/R inputs to produce a monaural representation of the stereo signal. The center channel amplifier can be shut down independently of the L/R output for speaker muting in headphone applications. The TPA0103 also features a full shutdown function for power sensitive applications holding the bias current to 5 uA.

The PowerPAD package (PWP) delivers a level of thermal performance that was previously achievable only in TO-220-type packages. Thermal impedances of less than 35°C/W are readily realized in multilayer PCB applications. This allows the TPA0103 to operate at full power at ambient temperature of up to 85°C.
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Documentación técnica

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Tipo Título Fecha
* Data sheet 3-Channel Audio Power Amplifier Stereo Single-Ended 500-mW and Mono BTL 1.75W datasheet (Rev. A) 15 mar 2000
Application note PowerPAD™ Thermally Enhanced Package (Rev. H) 06 jul 2018
User guide TPA0103EVM - User Guide 18 ago 1998

Diseño y desarrollo

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