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TPA6205A1

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1.25-W, mono, analog input Class-AB audio amplifier with 1.8-V input logic

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Data sheet
User guides

TPA6205A1

ACTIVE
Data sheet Order now

Product details

Audio input type Analog Input Architecture Class-AB Speaker channels (max) Mono Rating Catalog Power stage supply (max) (V) 5.5 Power stage supply (min) (V) 2.5 Load (min) (Ω) 8 Output power (W) 1.25 SNR (dB) 104 THD + N at 1 kHz (%) 0.06 Iq (typ) (mA) 1.7 Control interface Hardware Closed/open loop Closed Analog supply (min) (V) 2.5 Analog supply voltage (max) (V) 5.5 PSRR (dB) 90 Operating temperature range (°C) -40 to 85
Audio input type Analog Input Architecture Class-AB Speaker channels (max) Mono Rating Catalog Power stage supply (max) (V) 5.5 Power stage supply (min) (V) 2.5 Load (min) (Ω) 8 Output power (W) 1.25 SNR (dB) 104 THD + N at 1 kHz (%) 0.06 Iq (typ) (mA) 1.7 Control interface Hardware Closed/open loop Closed Analog supply (min) (V) 2.5 Analog supply voltage (max) (V) 5.5 PSRR (dB) 90 Operating temperature range (°C) -40 to 85
HVSSOP (DGN) 8 14.7 mm² 3 x 4.9 NFBGA (NMB) 8 4 mm² 2 x 2 VSON (DRB) 8 9 mm² 3 x 3
  • 1.25 W Into 8-Ω From a 5-V Supply at THD = 1%
    (Typical)
  • Shutdown Pin has 1.8-V Compatible Thresholds
  • Low Supply Current: 1.7 mA Typical
  • Shutdown Current < 10 µA
  • Only Five External Components
    • Improved PSRR (90 dB) and Wide Supply
      Voltage (2.5 V to 5.5 V) for Direct Battery
      Operation
    • Fully Differential Design Reduces RF
      Rectification
    • Improved CMRR Eliminates Two Input
      Coupling Capacitors
    • C(BYPASS) Is Optional Due to Fully Differential
      Design and High PSRR
  • Available in 3-mm × 3-mm QFN Package (DRB)
  • Available in an 8-Pin PowerPAD™ MSOP (DGN)
  • Available in a 2-mm ™ 2-mm MicroStar Junior™
    BGA Package (ZQV)
  • 1.25 W Into 8-Ω From a 5-V Supply at THD = 1%
    (Typical)
  • Shutdown Pin has 1.8-V Compatible Thresholds
  • Low Supply Current: 1.7 mA Typical
  • Shutdown Current < 10 µA
  • Only Five External Components
    • Improved PSRR (90 dB) and Wide Supply
      Voltage (2.5 V to 5.5 V) for Direct Battery
      Operation
    • Fully Differential Design Reduces RF
      Rectification
    • Improved CMRR Eliminates Two Input
      Coupling Capacitors
    • C(BYPASS) Is Optional Due to Fully Differential
      Design and High PSRR
  • Available in 3-mm × 3-mm QFN Package (DRB)
  • Available in an 8-Pin PowerPAD™ MSOP (DGN)
  • Available in a 2-mm ™ 2-mm MicroStar Junior™
    BGA Package (ZQV)

The TPA6205A1 device is a 1.25-W mono fully differential amplifier designed to drive a speaker with at least 8-Ω impedance while consuming less than 37 mm2 (ZQV package option) total printed-circuit-board (PCB) area in most applications. This device operates from 2.5 V to 5.5 V, drawing only 1.7 mA of quiescent supply current. The TPA6205A1 is available in the space-saving 2-mm × 2-mm MicroStar Junior BGA package, and the space saving 3-mm × 3-mm QFN (DRB) package.

Features like 85-dB PSRR from 90 Hz to 5 kHz, improved RF-rectification immunity, and small PCB area makes the TPA6205A1 ideal for wireless handsets. A fast start-up time of 4s with minimal pop makes the TPA6205A1 ideal for PDA applications.

The TPA6205A1 device is a 1.25-W mono fully differential amplifier designed to drive a speaker with at least 8-Ω impedance while consuming less than 37 mm2 (ZQV package option) total printed-circuit-board (PCB) area in most applications. This device operates from 2.5 V to 5.5 V, drawing only 1.7 mA of quiescent supply current. The TPA6205A1 is available in the space-saving 2-mm × 2-mm MicroStar Junior BGA package, and the space saving 3-mm × 3-mm QFN (DRB) package.

Features like 85-dB PSRR from 90 Hz to 5 kHz, improved RF-rectification immunity, and small PCB area makes the TPA6205A1 ideal for wireless handsets. A fast start-up time of 4s with minimal pop makes the TPA6205A1 ideal for PDA applications.
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Technical documentation

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Type Title Date
* Data sheet TPA6205A1 1.25-W Mono Fully Differential Audio Power Amplifier With 1.8-V Input logic Thresholds datasheet (Rev. C) PDF | HTML 30 Nov 2015
* User guide LPAA MicroStar BGA Discontinued and Redesigned 08 May 2022
Application note Single-Ended Input Pop Reduction for TPA6203A1 23 Jul 2009
More literature TPA6205A1_NanoEVM_ Schematic 13 Feb 2007
More literature TPA6205A1_NanoEVM_OV 29 Jan 2007
EVM User's guide TPA6205A1EVM - User Guide 26 May 2006

Design & development

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Evaluation board

TPA6205A1EVM — TPA6205A1 Evaluation Module (EVM)

The TPA6205A1DRB audio power amplifier evaluation module is a complete, low-power single-channel audio power amplifier. It consists of the TI TPA6205A1DRB 1.25 W low-voltage audio power amplifier IC in a very small DRB package, along with a small number of other parts mounted on a circuit (...)

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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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HVSSOP (DGN) 8 Ultra Librarian
NFBGA (NMB) 8 Ultra Librarian
VSON (DRB) 8 Ultra Librarian
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