TPA2039D1

ACTIVE

3.2-W, mono, analog input Class-D audio amplifier with fixed 12 dB gain & short-circuit protection

Product details

Audio input type Analog Input Architecture Class-D Speaker channels (max) Mono Control interface GPIO Output power (W) 3.2 Power stage supply (max) (V) 5.5 Power stage supply (min) (V) 2.5 THD + N at 1 kHz (%) 0.05 Load (min) (Ω) 4 Analog supply voltage (min) (V) 2.5 Analog supply voltage (max) (V) 5.5 Rating Catalog Operating temperature range (°C) -40 to 85
Audio input type Analog Input Architecture Class-D Speaker channels (max) Mono Control interface GPIO Output power (W) 3.2 Power stage supply (max) (V) 5.5 Power stage supply (min) (V) 2.5 THD + N at 1 kHz (%) 0.05 Load (min) (Ω) 4 Analog supply voltage (min) (V) 2.5 Analog supply voltage (max) (V) 5.5 Rating Catalog Operating temperature range (°C) -40 to 85
DSBGA (YFF) 9 1.96000000000000028000000000000001 mm² (— mm × — mm)
  • Powerful Mono Class-D Speaker Amplifier
    • 3.24 W (4 , 5 V, 10% THDN)
    • 2.57 W (4 , 5 V, 1% THDN)
    • 1.80 W (8 , 5 V, 10% THDN)
    • 1.46 W (8 , 5 V, 1% THDN)
  • +12 dB Fixed Gain
  • Integrated Image Reject Filter for DAC Noise Reduction
  • Low Output Noise of 27 µV
  • Low Quiescent Current of 1.5 mA
  • Differential Input Impedance of 150 k
  • Auto-Recovering Short-Circuit Protection
  • Thermal-Overload Protection
  • Filter-Free Mono Class-D Amp
  • 9-Ball 1,21 mm × 1,16 mm 0,4mm Pitch WCSP
  • APPLICATIONS
    • Wireless or Cellular Handsets and PDAs
    • Portable Navigation Devices
    • General Portable Audio Devices

  • Powerful Mono Class-D Speaker Amplifier
    • 3.24 W (4 , 5 V, 10% THDN)
    • 2.57 W (4 , 5 V, 1% THDN)
    • 1.80 W (8 , 5 V, 10% THDN)
    • 1.46 W (8 , 5 V, 1% THDN)
  • +12 dB Fixed Gain
  • Integrated Image Reject Filter for DAC Noise Reduction
  • Low Output Noise of 27 µV
  • Low Quiescent Current of 1.5 mA
  • Differential Input Impedance of 150 k
  • Auto-Recovering Short-Circuit Protection
  • Thermal-Overload Protection
  • Filter-Free Mono Class-D Amp
  • 9-Ball 1,21 mm × 1,16 mm 0,4mm Pitch WCSP
  • APPLICATIONS
    • Wireless or Cellular Handsets and PDAs
    • Portable Navigation Devices
    • General Portable Audio Devices

The TPA2039D1 is a 3.2 W high efficiency filter-free class-D audio power amplifier (class-D amp) with 12 dB of fixed gain in a tiny 1.21 mm × 1.16 mm wafer chip scale package (WCSP). The device requires only one external component.

Features like 93% efficiency, 1.5 mA quiescent current, 0.1 µA shutdown current, 82-dB PSRR, 27 µV output noise and improved RF immunity make the TPA2039D1 class-D amplifier ideal for cellular handsets. A fast start-up time of 4 ms with no audible pop makes the TPA2039D1 ideal for PDA and smart-phone applications.

The TPA2039D1 is a 3.2 W high efficiency filter-free class-D audio power amplifier (class-D amp) with 12 dB of fixed gain in a tiny 1.21 mm × 1.16 mm wafer chip scale package (WCSP). The device requires only one external component.

Features like 93% efficiency, 1.5 mA quiescent current, 0.1 µA shutdown current, 82-dB PSRR, 27 µV output noise and improved RF immunity make the TPA2039D1 class-D amplifier ideal for cellular handsets. A fast start-up time of 4 ms with no audible pop makes the TPA2039D1 ideal for PDA and smart-phone applications.

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Technical documentation

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Top documentation Type Title Format options Date
* Data sheet 3.2W Mono Class-D Audio Power Amplifier With 12dB Gain datasheet (Rev. A) Jun 1, 2010
Application note Guidelines for Measuring Audio Power Amplifier Performance (Rev. A) Aug 26, 2019
Application note AN-1849 An Audio Amplifier Power Supply Design (Rev. C) Jun 27, 2019
Application note AN-1737 Managing EMI in Class D Audio Applications (Rev. A) May 1, 2013

Design & development

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DSBGA (YFF) 9 Ultra Librarian

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