○Description. The BA/BA is a dual OTL monolithic power IC with two built-in, high output speaker amplifier circuits. High output of 5W×2 can be. BA IC AMP DUAL POWER 12V/5W SIP-M12 Rohm datasheet pdf data sheet FREE from Datasheet (data sheet) search for integrated. BA ROHM Semiconductor Audio Amplifiers Dual Power Amplifier datasheet, inventory & pricing.

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Other applications of BA are portable audio players, stereo component systems, television etc. BA stereo amplifier circuit admin November 3, 11 Comments.

Sign up using Email and Password. Capacitor C3 is a power supply filter capacitor. However, without knowing anything about the chip, it is obvious that really low bass performance will be poor. The operating voltage range is from 5 to 15V DC.

Hi Soumen you can use the following circuit a very simple one with sigle control operating both the channels. Can anyone tell how to use single pot volume control for both channels?? I make it well. The problem here is the uF coupling capacitors into a 4 ohm load: Amplifiers based on BA does not require an output coupling transformer and can be operated from a single supply.


Audio Amplifiers : Speaker / Headphone Amplifier Series |

So I’m planning to add extra low pass filter circuit to this circuit. What is the function of capacitor and resistor at pin 4 and 7.

Since you didn’t provide a link to the chip datasheet, we don’t know what it’s supposed to do. Larger caps or a higher impedance speakers would lower the high pass filter rolloff frequency. What do you mean by ‘poor’? datassheet

Hi Rahul use a 22k stereo control ganged control. Home Questions Tags Users Unanswered.

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I tried to search for SIP package heatsinks, but nothing good came up. It will reduce the upper frequencies. Probably means ‘bass’ output is poor. I have designed a simple stereo amplifier which is attached below, but the bass output was bit poor. By using our site, you acknowledge that you have read and understand our Cookie PolicyPrivacy Policyand our Terms of Service. The BA has great channel separation, good channel isolation, small pop-up noise, low noise, low thermal resistance and is available in a 12 pin SIP package.


This makes the IC suitable for low power car audio applications. Olin Lathrop k 30 You may also like: My requirement is to have separate left and right channels and an extra woofer out. Is going to be back often to check up on new posts. Potentiometers R5 and R6 serves as the volume control for the left and right channels.

BA IC AMP DUAL POWER 12V/5W SIP-M12 Rohm datasheet pdf data sheet FREE from

Try uF, or even 10,uF. That’s no way to improve the perceived bass response. Addng a low pass filter won’t improve anything. Thanks for your response.

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C1 and C5 are bootstrap capacitors for the left and right channels.