Audio Amplifier

I am searching for a good Audio Amplifier for my 2x 8 Ohm Speakers and i put the SSM2315 and SSM2375 Eval boards to be tested.

Both of them werent loud enought for my application. The SSM2315 has a 6dB fixed Gain Output and the SSM2375 can be set from 0dB to 12dB.

Does anybody knows a louder Audio Amplifier with a SNR>100dB and at least 1,4 Watt for my 8 Ohm Speakers?

(Power Supply can be 5, 8 or 12V)

  • 0
    •  Analog Employees 
    on Feb 12, 2014 2:54 AM

    Hi Michael,

    Have you tried using our Parametric Search tables? If you click the 'Apply Filter to this Tabel' button, you can select input format and sort by noise performance. Please let us know if you have any other questions!

    http://www.analog.com/en/audiovideo-products/audio-amplifiers/products/index.html

    Best regards,

    Coleman

  • Hi Coleman,

    i bought already the SSM2375 and SSM2375 from this table and they had the best noise performance

    but werent loud enought. One has 6dB and the other has 12dB of Gain.

    Do you think i need a Pre-Amp before the Amplifier? Or do i need a High-Power Amplifier instead of a Class D Amplifier?

    Our Amplifier that we use is the Visaton Amp 2.2 with SNR=60dB and Gain=30dB.

    Thanks,

    Michael

  • 0
    •  Analog Employees 
    on Mar 7, 2014 12:23 AM

    Hello Michael,

    What kind of speakers are you trying to power?  I am sure we have a class d solution to fit your needs. Here are a few that i have worked with recently.

    SSM3302: Stereo 2 x 8W into 8ohm (12V), 98dB SNR, up to 24db Gain

    SSM2380: Stereo 2 x 1.4W into 8ohm (5V), >100dB SNR, up to 24dB gain

    the SSM2380 is designed to work with I2C gain control, but can be set up to work in a standalone mode with limited gain settings.  it will give you pretty much the same specs as the SSM2375 in a stereo package, but will give you more gain.  If you really need more power, than i would suggest the SSM3302 with a lower gain setting, but it would really depend on the speaker you are driving.