Adafruit 1552
ID: 210926
5902186301528
zł72.96
Tax included
zł59.32 tax excl.
Stereo 2.8W Class D Audio Amplifier - TS2012
1552 - Stereo 2.8W Class D Audio Amplifier - TS2012
This incredibly small stereo amplifier is surprisingly powerful - able to deliver 2 x 2.8W channels into 4 ohm impedance speakers (@ 10% THD). Inside the miniature chip is a class D controller, able to run from 2.7V-5.5VDC. Since the amp is a class D, its incredibly efficient (89% efficient when driving an 8Ω speaker at 1.5 Watt) - making it perfect for portable and battery-powered projects. It has built in thermal and over-current protection but we could barely tell it got hot. This board is a welcome upgrade to basic "LM386" amps!
The inputs of the amplifier go through 1.0uF capacitors, so they are fully differential - if you dont have differential outputs, simply tie the R- and L- to ground. The outputs are "Bridge Tied" - that means they connect directly to the outputs, no connection to ground. The output is a ~300KHz square wave PWM that is then averaged out by the speaker coil - the high frequencies are not heard. All the above means that you cant connect the output into another amplifier, it should drive the speakers directly.
Comes with a fully assembled and tested breakout board with 1.0uF input capacitors. We also include a dual mini DIP switch for setting the amplifier gain on the fly, 3.5mm screw-terminal blocks so you can easily attach/detach your speakers, and some header in case you want to plug it into a breadboard. You will be ready to rock in 15 minutes! Speakers are not included, use any 4 ohm or 8 ohm impedance speakers.
The inputs of the amplifier go through 1.0uF capacitors, so they are fully differential - if you dont have differential outputs, simply tie the R- and L- to ground. The outputs are "Bridge Tied" - that means they connect directly to the outputs, no connection to ground. The output is a ~300KHz square wave PWM that is then averaged out by the speaker coil - the high frequencies are not heard. All the above means that you cant connect the output into another amplifier, it should drive the speakers directly.
Comes with a fully assembled and tested breakout board with 1.0uF input capacitors. We also include a dual mini DIP switch for setting the amplifier gain on the fly, 3.5mm screw-terminal blocks so you can easily attach/detach your speakers, and some header in case you want to plug it into a breadboard. You will be ready to rock in 15 minutes! Speakers are not included, use any 4 ohm or 8 ohm impedance speakers.
- Output Power: 2.8W at 4Ohm, 10% THD, 1.7W at 8Ohm, 10% THD, with 5V Supply
- PSRR: 70 dB typ @ 217 Hz with 6 dB gain
- Designed for use without an output filter, when wires are kept at under 2"-4" long
- Four pin-selectable gains: 6dB, 12dB, 18dB and 24dB. Select with the onboard switches or by setting the G0 and G1 breakout pins (see schematic for breakout board showing gain pin settings for details)
- Excellent click-and-pop suppression
- Thermal shutdown protection
- Independent channel shutdown
- Low current draw: 5mA quiescent and 2uA in shutdown mode
- Dimensions (without 0.1" header):
- 22.96mm / 0.9" x 28.33mm / 1.11" x 4.97mm / 0.19"
- Weight: 2.56g
210926
Manufacturer BTC Korporacja sp. z o. o. Lwowska 5 05-120 Legionowo Poland sprzedaz@kamami.pl 22 767 36 20
Responsible person BTC Korporacja sp. z o. o. Lwowska 5 05-120 Legionowo Poland sprzedaz@kamami.pl 22 767 36 20
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Stereo 2.8W Class D Audio Amplifier - TS2012