TPA2005D1-Q1

ACTIVE

Automotive, 1.4-W, mono, analog input Class-D audio amplifier

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Automotive, 1.4-W, mono, analog input Class-D audio amplifier

TPA2005D1-Q1

ACTIVE

Product details

Parameters

Audio input type Analog Input Architecture Class-D Speaker channels (Max) Mono Power stage supply (Max) (V) 5.5 Power stage supply (Min) (V) 4.4 Load (Min) (ohms) 8 Output power (W) 1.18 SNR (dB) 97 THD + N @ 1 kHz (%) 0.2 Iq (Typ) (mA) 2.8 Control interface Hardware Closed/open loop Open Analog supply (Min) (V) 4.5 Analog supply (Max) (V) 5.5 PSRR (dB) 75 Operating temperature range (C) -40 to 105, -40 to 85 open-in-new Find other Speaker amps

Package | Pins | Size

HVSSOP (DGN) 8 9 mm² 3 x 3 VSON (DRB) 8 9 mm² 3.0 x 3.0 open-in-new Find other Speaker amps

Features

  • Qualified for Automotive Applications
  • AEC-Q100 Qualified With the Following Results:
    • Device Temperature Grade 3 (DRB and DGN package non T-suffix): –40°C to +85°C Ambient Operating Temperature Range
    • Device Temperature Grade 2 (DGN package T-suffix): –40°C to +105°C Ambient Operating Temperature Range
    • Device HBM Classification Level 2
    • Device CDM Classification Level C5
  • 1.4 W Into 8 Ω From a 5-V Supply at
    THD = 10% (Typical)
  • Maximum Battery Life and Minimum Heat
    • Efficiency With an 8-Ω Speaker:
      • 84% at 400 mW
      • 79% at 100 mW
    • 2.8-mA Quiescent Current
    • 0.5-μA Shutdown Current
  • Only Three External Components
    • Optimized PWM Output Stage Eliminates LC Output Filter
    • Internally Generated 250-kHz Switching Frequency Eliminates Capacitor and Resistor
    • Improved PSRR (–71 dB at 217 Hz) and Wide Supply Voltage (2.5 V to 5.5 V) Eliminates Need for a Voltage Regulator
    • Fully Differential Design Reduces RF Rectification and Eliminates Bypass Capacitor
    • Improved CMRR Eliminates Two Input Coupling Capacitors
  • Space-Saving Packages
    • 3 mm × 3 mm SON package (DRB)
    • 3 mm × 5 mm MSOP-PowerPAD Package (DGN)

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Description

The TPA2005D1-Q1 device is a 1.4-W high-efficiency filter-free class-D audio power amplifier in a SON or MSOP-PowerPAD package that requires only three external components.

Features like 84% efficiency, –71-dB PSRR at 217 Hz, improved RF-rectification immunity, and 15-mm2 total PCB area make TPA2005D1-Q1 ideal for low-power audio applications in infotainment and cluster.

The device allows for independent gain control by summing the signals from each function while minimizing noise to only 48 µVRMS. Additionally, the TPA2005D1-Q1 device offers fast start-up time of 9 ms with minimal pop and has short circuit and thermal protection.

For all available packages, see the orderable addendum at the end of the data sheet.
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Technical documentation

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Type Title Date
* Data sheet TPA2005D1-Q1 1.4-W Mono Filter-Free Class-D Audio Power Amplifier datasheet (Rev. E) Mar. 30, 2016
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 01, 2013

Design & development

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CAD/CAE symbols

Package Pins Download
HVSSOP (DGN) 8 View options
SON (DRB) 8 View options

Ordering & quality

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