Automotive, 3.1-W, mono, analog input Class-AB audio amplifier

TPA6211A1-Q1

ACTIVE

Product details

Audio input type Analog Input Architecture Class-AB Speaker channels (Max) Mono Power stage supply (Max) (V) 5.5 Power stage supply (Min) (V) 2.5 Load (Min) (ohms) 3 Output power (W) 3.1 SNR (dB) 105 THD + N @ 1 kHz (%) 0.03 Iq (Typ) (mA) 4 Control interface Hardware Closed/open loop Closed Analog supply (Min) (V) 2.5 Analog supply (Max) (V) 5.5 PSRR (dB) 85 Operating temperature range (C) -40 to 105
Audio input type Analog Input Architecture Class-AB Speaker channels (Max) Mono Power stage supply (Max) (V) 5.5 Power stage supply (Min) (V) 2.5 Load (Min) (ohms) 3 Output power (W) 3.1 SNR (dB) 105 THD + N @ 1 kHz (%) 0.03 Iq (Typ) (mA) 4 Control interface Hardware Closed/open loop Closed Analog supply (Min) (V) 2.5 Analog supply (Max) (V) 5.5 PSRR (dB) 85 Operating temperature range (C) -40 to 105
HVSSOP (DGN) 8 9 mm² 3 x 3
  • Qualified for automotive applications
    • Device HBM ESD classification level 3A
    • Device CDM ESD classification level C6
  • 3.1 W into 3 Ω from a 5-V supply at
    THD = 10% (typical)
  • Low supply current: 4 mA (typical) at 5 V
  • Shutdown current: 0.01 µA (typical)
  • Fast startup with minimal pop
  • Only three external components
    • Improved PSRR (–80 dB) and wide supply voltage (2.5 V to 5.5 V) for direct battery operation
    • Fully differential design reduces RF
      rectification
    • –63-dB CMRR Eliminates two input
      coupling capacitors
  • Qualified for automotive applications
    • Device HBM ESD classification level 3A
    • Device CDM ESD classification level C6
  • 3.1 W into 3 Ω from a 5-V supply at
    THD = 10% (typical)
  • Low supply current: 4 mA (typical) at 5 V
  • Shutdown current: 0.01 µA (typical)
  • Fast startup with minimal pop
  • Only three external components
    • Improved PSRR (–80 dB) and wide supply voltage (2.5 V to 5.5 V) for direct battery operation
    • Fully differential design reduces RF
      rectification
    • –63-dB CMRR Eliminates two input
      coupling capacitors

The TPA6211A1-Q1 device is a 3.1-W mono fully-differential amplifier designed to drive a speaker with at least 3-Ω impedance while consuming only 20‑mm2 total printed-circuit board (PCB) area in most applications. The device operates from 2.5 V to 5.5 V, drawing only 4 mA of quiescent supply current. The TPA6211A1-Q1 device is available in the space-saving 8-pin HVSSOP package.

The device includes features such as a –80-dB supply voltage rejection from 20 Hz to 2 kHz, improved RF-rectification immunity, small PCB area, and a fast start-up with minimal pop makes the TPA6211A1-Q1 device ideal for emergency call applications. Additionally, the device supports low-power needs in infotainment and cluster applications, such as cluster chimes or driver notification.

The TPA6211A1-Q1 device is a 3.1-W mono fully-differential amplifier designed to drive a speaker with at least 3-Ω impedance while consuming only 20‑mm2 total printed-circuit board (PCB) area in most applications. The device operates from 2.5 V to 5.5 V, drawing only 4 mA of quiescent supply current. The TPA6211A1-Q1 device is available in the space-saving 8-pin HVSSOP package.

The device includes features such as a –80-dB supply voltage rejection from 20 Hz to 2 kHz, improved RF-rectification immunity, small PCB area, and a fast start-up with minimal pop makes the TPA6211A1-Q1 device ideal for emergency call applications. Additionally, the device supports low-power needs in infotainment and cluster applications, such as cluster chimes or driver notification.

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Technical documentation

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Type Title Date
* Data sheet TPA6211A1-Q1 3.1-W Mono Fully Differential Audio Power Amplifier datasheet (Rev. E) 28 Aug 2019
Technical article Exploring evolving trends in automotive cluster audio design 17 Feb 2020

Design & development

For additional terms or required resources, click any title below to view the detail page where available.

Evaluation board

TPA6211A1EVM — TPA6211A1 Evaluation Module (EVM)

The TPA6211A1 is a 3.1-W mono fully differential amplifier designed to drive a speaker with at least 3-Ohm impedance while comsuming less than 20mm2 total board space.

The device operates from 2.5V to 5.5V while consuming only 4mA of quiescent current. The TPA6211A1 is available in a space-saving 3mm (...)

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Simulation model

TPA6211A1 PSpice Model

SLOM437.ZIP (25 KB) - PSpice Model
Simulation model

TPA6211A1 TINA-TI Spice Model

SLOM438.ZIP (13 KB) - TINA-TI Spice Model
Simulation model

TPA6211A1 TINA-TI Reference Design

SLOM439.TSC (60 KB) - TINA-TI Reference Design
Simulation tool

PSPICE-FOR-TI — PSpice® for TI design and simulation tool

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 (...)
Reference designs

TIDA-01628 — Reference design for automotive cluster driver notification functions

This reference design implements power and driver notification functions typically found in an automotive instrument cluster. The design features reverse battery protection, a pre-boost stage to support cold-crank battery voltage conditions down to 3.5 volts, buck regulators for 3.3-V and 5-V (...)
Reference designs

TIDA-00277 — Automotive Cluster Chime Reference Design

This TI reference design is a 3.1-W mono fully differential audio power amplifier driving a chime and is one part of an automotive cluster system solution optimized for the mid-end cluster market. The entire cluster solution supports 4.5-40V system capabilities that can withstand cold crank, start (...)
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HVSSOP (DGN) 8 View options

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