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TPA2012D2

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2,1-W-Stereo-Klasse D-Audio-Verstärker mit Analog-Eingang und wählbarer Verstärkung

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Datenblatt

TPA2012D2

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Produktdetails

Audio input type Analog Input Architecture Class-D Speaker channels (max) Stereo Control interface GPIO Output power (W) 2.1 Power stage supply (max) (V) 5.5 Power stage supply (min) (V) 2.5 THD + N at 1 kHz (%) 0.14 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) Stereo Control interface GPIO Output power (W) 2.1 Power stage supply (max) (V) 5.5 Power stage supply (min) (V) 2.5 THD + N at 1 kHz (%) 0.14 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
WQFN (RTJ) 20 16 mm² (4 mm × 4 mm) DSBGA (YZH) 16 5.0625 mm² (— mm × — mm)
  • Output Power By Package:
    • WQFN:
      • 2.1 W/Ch Into 4 Ω at 5 V
      • 1.4 W/Ch Into 8 Ω at 5 V
      • 720 mW/Ch Into 8 Ω at 3.6 V
    • DSBGA:
      • 1.2 W/Ch Into 4 Ω at 5 V
        (Thermally Limited)
      • 1.3 W/Ch Into 8 Ω at 5 V
      • 720 mW/Ch Into 8 Ω at 3.6 V
  • Only Two External Components Required
  • Power Supply Range: 2.5 V to 5.5 V
  • Independent Shutdown Control for Each Channel
  • Selectable Gain of 6, 12, 18, and 24 dB
  • Internal Pulldown Resistor on Shutdown Pins
  • High PSRR: 77 dB at 217 Hz
  • Fast Start-Up Time (3.5 ms)
  • Low Supply Current
  • Low Shutdown Current
  • Short-Circuit and Thermal Protection
  • Space-Saving Packages
    • 2.01-mm × 2.01-mm NanoFree™ DSBGA (YZH)
    • 4-mm × 4-mm Thin WQFN (RTJ) With PowerPAD™
  • Output Power By Package:
    • WQFN:
      • 2.1 W/Ch Into 4 Ω at 5 V
      • 1.4 W/Ch Into 8 Ω at 5 V
      • 720 mW/Ch Into 8 Ω at 3.6 V
    • DSBGA:
      • 1.2 W/Ch Into 4 Ω at 5 V
        (Thermally Limited)
      • 1.3 W/Ch Into 8 Ω at 5 V
      • 720 mW/Ch Into 8 Ω at 3.6 V
  • Only Two External Components Required
  • Power Supply Range: 2.5 V to 5.5 V
  • Independent Shutdown Control for Each Channel
  • Selectable Gain of 6, 12, 18, and 24 dB
  • Internal Pulldown Resistor on Shutdown Pins
  • High PSRR: 77 dB at 217 Hz
  • Fast Start-Up Time (3.5 ms)
  • Low Supply Current
  • Low Shutdown Current
  • Short-Circuit and Thermal Protection
  • Space-Saving Packages
    • 2.01-mm × 2.01-mm NanoFree™ DSBGA (YZH)
    • 4-mm × 4-mm Thin WQFN (RTJ) With PowerPAD™

The TPA2012D2 is a stereo, filter-free, Class-D audio amplifier (Class-D amp) available in a DSBGA or WQFN package. The TPA2012D2 only requires two external components for operation.

The TPA2012D2 features independent shutdown controls for each channel. The gain can be selected to 6, 12, 18, or 24 dB using the G0 and G1 gain select pins. High PSRR and differential architecture provide increased immunity to noise and RF rectification. In addition to these features, a fast start-up time and small package size make the TPA2012D2 class-D amp an ideal choice for both cellular handsets and PDAs.

The TPA2012D2 is capable of driving 1.4 W/Ch at
5 V or 720 mW/Ch at 3.6 V into 8 Ω. The TPA2012D2 is also capable of driving 4 Ω. The TPA2012D2 is thermally limited in DSBGA and may not achieve
2.1 W/Ch for 4 Ω. The maximum output power in the DSBGA is determined by the ability of the circuit board to remove heat. Figure 33 shows thermally limited region of the DSBGA in relation to the WQFN package. The TPA2012D2 provides thermal and short-circuit protection.

The TPA2012D2 is a stereo, filter-free, Class-D audio amplifier (Class-D amp) available in a DSBGA or WQFN package. The TPA2012D2 only requires two external components for operation.

The TPA2012D2 features independent shutdown controls for each channel. The gain can be selected to 6, 12, 18, or 24 dB using the G0 and G1 gain select pins. High PSRR and differential architecture provide increased immunity to noise and RF rectification. In addition to these features, a fast start-up time and small package size make the TPA2012D2 class-D amp an ideal choice for both cellular handsets and PDAs.

The TPA2012D2 is capable of driving 1.4 W/Ch at
5 V or 720 mW/Ch at 3.6 V into 8 Ω. The TPA2012D2 is also capable of driving 4 Ω. The TPA2012D2 is thermally limited in DSBGA and may not achieve
2.1 W/Ch for 4 Ω. The maximum output power in the DSBGA is determined by the ability of the circuit board to remove heat. Figure 33 shows thermally limited region of the DSBGA in relation to the WQFN package. The TPA2012D2 provides thermal and short-circuit protection.
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Technische Dokumentation

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Top-Dokumentation Typ Titel Format-Optionen Neueste englische Version herunterladen Datum
* Datenblatt TPA2012D2 2.1-W/Channel Stereo Filter-Free Class-D Audio Power Amplifier datasheet (Rev. F) PDF | HTML 14.03.2017
Anwendungshinweis Guidelines for Measuring Audio Power Amplifier Performance (Rev. A) 26.08.2019
Anwendungshinweis AN-1849 An Audio Amplifier Power Supply Design (Rev. C) 27.06.2019
Anwendungshinweis AN-1737 Managing EMI in Class D Audio Applications (Rev. A) 01.05.2013
Weitere Dokumente TPA2012D2_NanoEVM_ Schematic 13.02.2007
Weitere Dokumente TPA2012D2_NanoEVM_OV 29.01.2007
Anwendungshinweis Measuring Class-D Amplifiers for Audio Speaker Overstress Testing 28.10.2005
Benutzerhandbuch TPA2012D2EVM - User Guide (Rev. A) 07.04.2005

Design und Entwicklung

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