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Low Power (≤30W per channel)

2 x 8Watt Class D Audio Amplifier Board - TPA3110[102]

★★★★★(93 recommends)

SKUAA-AB32231

12.90

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Huntkey HKA02412020-8D 12V 2A 24W AC/DC Power Adapter

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Description

AA-AB32231 is a stereo audio amplifier board which delivers 8W output power per channel into an 8Ohm load based on a Tripath-style Texas Instruments TPA 3110 chip, featuring high efficiency up to 90% and high audio performance with low THD+N. This board supports PBTL, which means it can be configured as mono 16W audio amplifier, which is simply achieved by switch without any need of soldering. In addition, AA-AB32231 supports not only single-ended input but also differential input. Low output power, compact size and high reliability making it suitable for DIY audio, home audio, industrial audio applications, kiosk, self-service equipment like vending machine, ticket machine, guide machine and so on. A DC8V – 19V power supply is required.

1 x 16W / 2 x 8W Mode

This audio amplifier board supports two operation modes, stereo 8W or mono 16W. You buy one board and get two modes, which is highly cost-effectively. Customers can switch between the two modes easily with only one step. As for the details on setting, please refer to the user manual.

Supporting Both Single-ended Input and Differential Input

2 RJ128 connectors and 1 3.5mm AUX IN jack are used for single-ended input connection. Differential input is also widely used in many applications as it features such strong ability to resist interference that it can effectively suppress common-mode interference. Fully considering that, Sure Electronics provides differential input with AA-AB32231. Please note that single-ended input and differential input cannot use at the same time and switches are offered for change. As for the details on setting, please refer to the user manual.

High Quality Audio Performance

By means of dedicated PCB layout design and engineers’ attentive debugging, this low power audio amplifier board features such high audio performance that you can get pure enjoy of the music, whose SNR reaches 100dB (differential input) and THD+N performs well as 0.02% @ 8Ohm, 1W, 1kHz.

Easy for Installation

Four screw holes provided make this amplifier board easy for installation and quick for integration in any cabinet. Thanks to the pre-mounted industrial terminal interfaces, all you need to do is to plug in cables for connection, without any demand of soldering, which is swift and convenient. Power indicator is provided on board for customers to have an overview of the real-time condition of the amplifier board. This board is in 3’’ x 2’’ compact size, which can be easily integrated into any audio projects without occupation of too much space.

High Reliability and Long Service Time

Excellent heat dissipation eliminates the requirement of an extra heatsink and increases its reliability. Full protection circuit, like over temperature protection, overcurrent protection, over / under voltage protection, is equipped on this board for high reliability and long service time.

Suitable for Industrial Audio Applications

This board supports switch between stereo mode ad mono mode. It also supports both single-ended input and differential input. All the interfaces are mounted for easy connection and system integration. Thus, this board is applicable for industrial audio applications, especially for kiosk, vending machine, guide machine and small-scale game machine.

Package Includes

1pc AA-AB32231



3D version video for introduction: video link

  • StyleBoards
  • Number Of Channel(s)2
  • Output Power8
  • Size3.6 x 2.7 inches (91.44mm x 68.58mm)
  • ChipsetTPA31xx
  • Heat DissipationNo Heat Sink & FAN
  • Supported Parallel Bridge Tied Load ModeYES
  • inputSingle ended Line-in, Differential Line-in,
  • Power Voltage8V-19V
  • ·Output Power
  • 2 x 8W @ 8Ohm, THD+N=10%
  • 1 x 16W @ 4Ohm, THD+N=10%
  • ·Power Supply Range: DC 8V to 19V
  • ·PBTL and BTL Configurable
  • ·Power Indicator
  • ·Heat Dissipation through PCB Copper
  • ·Overcurrent Protection
  • ·Overtemperature Protection
  • ·4-screw Easy Installation
  • ·Weight: 90g/ 0.20 lbs (±10%)
Electrical Characteristics in Stereo Mode, RL=8ohm
Parameter Conditions Min. Typ.  Max. Units
Numbers of Channel - - 2 -  
Operating Voltage - 8 12 19 V
Load Impedance - 4 8 - ohm
Output Power 1kHz, THD+N=0.1% - 8 - W
Idle Power SD Floating - 0.3 - W
Switching Frequency SD Floating - 310 - kHz
Efficiency 8W@8Ohm   90 - %
Control Standby (Low = inputs enabled) High-level Input Voltage 2 - 12 V
Low-level Input Voltage - - 0.8
Standby Power SD short to GND - 30 - mW
Audio Characteristics in Stereo Mode, RL=8ohm
Parameter Conditions Min. Typ. Max. Units
SNR DIFF. 8W@8ohm, THD+N=1%, A-Weighting - 100 - dB
SE. 8W@8ohm, THD+N=1%, A-Weighting - 98 -
THD+N DIFF. 1W@8ohm, 1kHz - 0.02 - %
8W@8ohm, 1kHz - 0.1 -
SE. 1W@8ohm, 1kHz - 0.05 -
8W@8ohm, 1kHz - 0.2 -
Output Noise Level DIFF. A-weighting, Input Connected to GND - 80 - µV
SE. A-weighting, Input Connected to GND - 80 -
Frequency Response @4ohm, 1kHz,±3dB 20 - 20k Hz
Amp Gain DIFF. @8ohm, 1kHz - 12 - dB
SE. @8ohm, 1kHz - 26 -
Input Impedance DIFF. - 45 - kohm
SE. - 30 -
Electrical Characteristics in Mono Mode, RL=4ohm
Parameter Conditions Min. Typ.  Max. Units
Numbers of Channel - - 1 -  
Operating Voltage - 8 12 19 V
Load Impedance - 3.2 4 - ohm
Output Power 1kHz, THD+N=0.1% - 16 - W
Idle Power SD Floating - 0.3 - W
Switching Frequency SD Floating - 310 - kHz
Efficiency 16W@4Ohm   90 - %
Control Standby (Low = inputs enabled) High-level Input Voltage 2 - 12 V
Low-level Input Voltage - - 0.8
Standby Power SD short to GND - 30 - mW
Audio Characteristics in Mono Mode, RL=4ohm
Parameter Conditions Min. Typ. Max. Units
SNR DIFF. 8W@4ohm, THD+N=1%,  A-Weighting - 97 - dB
SE. 8W@4ohm, THD+N=1%,  A-Weighting - 95 -
THD+N DIFF. 1W@4ohm, 1kHz - 0.06 - %
8W@4ohm, 1kHz - 0.2 -
SE. 1W@4ohm, 1kHz - 0.08 -
8W@4ohm, 1kHz - 0.3 -
Output Noise Level DIFF. A-weighting, Input Connected to GND - 80 - µV
SE. A-weighting, Input Connected to GND - 80 -
Frequency Response @4ohm, 1kHz,±3dB 20 - 20k Hz
Input Sensitivity DIFF. 16W@4ohm, 1kHz - 2k - mV
SE. 16W@4ohm,1kHz - 400 -
Amp Gain DIFF. @4ohm, 1kHz - 12 - dB
SE. @4ohm, 1kHz - 26 -
Input Impedance DIFF. - 45 - kohm
SE. - 30 -

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QUESTIONS & ANSWERS

Gabe.Figueroa

10 Jan 2019

Can this handle a 4 ohm load

Hi, Gabe. If you use this board in stereo mode, we suggest that you use it with 8Ohm load since the typical load is 8Ohm and in this condition, it can reach full output power. When you use it to handle 4Ohm load, the output power will be less than 8W per channel. If you use this board in mono mode, it is OK to handle 4Ohm load.

Copyright 2020 @ Sure Electronics Co., Ltd.

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