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2 x 20W Class D Bluetooth Audio Amplifier Board - TSA9840

2 x 20W Class D Bluetooth Audio Amplifier Board - TSA9840
2 x 20W Class D Bluetooth Audio Amplifier Board - TSA9840 2 x 20W Class D Bluetooth Audio Amplifier Board - TSA9840 2 x 20W Class D Bluetooth Audio Amplifier Board - TSA9840 2 x 20W Class D Bluetooth Audio Amplifier Board - TSA9840 2 x 20W Class D Bluetooth Audio Amplifier Board - TSA9840
Brand: Tinysine
Product Code: G5A8E687FD6E6D
Reward Points: 0
Availability: 1231
Price: $22.95

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TSA9840 2x20W audio amplifier board with AudioB plus Bluetooth module. It has perfect class-D architecture(Based on MAX98400A) and each channel has 20W power output. Both of channels are capable of outputting nominal power simultaneously and continuously. This board can be powered by any DC10V-24V power supply. It can be used to drive two 8Ω passive speakers. TSA9840 can also be connected with our TSA1000,TSA1010 or TSA1020 external audio volume control board. People can adjust the audio volume by rotating the real knob.

It's perfect for your Hi-Fi application. You may wish to pair with a mobile phone or a computer (etc). Power the amplifier board. Use your phone or PC (etc) to search for a new Bluetooth device. The module will appear as "TSA9840". You don't need a PIN, pair it and then you can play music.

  • TSA9840 can automatically detect the Aux in/Line in Audio input. Bluetooth Audio source has a higher priority. When Bluetooth audio is paused or bluetooth is disconnected, amplifier will output the Aux in/Line in audio.
  • There is an extra LINE OUT audio output jack. It can also be connected with a subwoofer amplifier board.
  • BVC Port: BVC port can be connected with our Audio volume controller to control the Bluetooth audio volume.

 

TSA9840 can automatically detect the Aux in/Line in Audio input. Bluetooth Audio source has a higher priority. When Bluetooth audio is paused or bluetooth is disconnected, the Amplifier will output the Aux in/Line in audio.

 

TSA9840 + TSA1000, Both Aux in and Bluetooth audio volume can be controlled through BVC port

 

Specification:

Following table lists all typical data of the Amp board. For full specification, please refer to the data sheet of MAX98400A chip.TA = 25℃, fin = 1 kHz sine wave, RL = ∞, VVS = 18V. (Unless otherwise stated)

 

Parameter

Condition

Min

Typ

Max

Supply Voltage (VDC)

Inferred from PSRR test

10

- 24
Current Limit   3.5A 5A -
Bandwidth @ ±3dB @8Ω 20Hz - 22KHz
Efficiency

PO = 2X20W, MAX98400A,
PVDD = 12V ,RL = 8Ω

- 90% -

Minimum Load Impedance

 

 

 

Switching Frequency

 

265KHZ 330KHZ 295KHZ
Gain   9dB 20.1dB 29.8dB

Input Sensitivity(RMS)

-

- 620mV -

Input Impedance

- - 22KΩ -

Output Power

Stereo,RL = 8Ω,THD+N 10%

- 22W -

Mono, RL = 4Ω,THD+N 10%

- 44W -

THD+N

POUT=0.1W to POUT/2, fIN= 20Hz to 20kHz, RL= 8Ω

-

0.3%

-

POUT/2, fIN=1kHz, RL= 8Ω

-

0.03%

-

 

Features:

  • Size: 9.1cm x 5.0cm
  • Bluetooth 4.0
  • Bluetooth audio volume control port(BVC)
  • Working voltage: DC10V-24V
  • Thermal and output current protection

 

Applications:

  • Personal computer
  • Background music system
  • Musical instrument amplifiers
  • Home DIY
  • Car audio

Documents:

 

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