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Recently in hearing aid MSP430G2132 microcontroller, but in the choice of audio DA converter in difficulty, because before contact this aspect, so there is no enough in this aspect. TI isn't there any suitable DA converter, it is best to have signal amplifier, high gain, and drive the horn DA conversion module.
Hi,
Welcome to E2E and thank you for your interest in our products.
Please, take a look at the TLV320DAC3120. It is a DA converter which supports all your requirements. Could you check it and let me know if you have some additional requirements?
For any additional information, please take a look at the Audio Selection Tool. It can be used for a detailed search of the audio devices.
Best regards,
Luis Fernando Rodríguez S.
Sorry, something didn't work in a few days ago. Thank you for the advice, according to your opinion, I find a suitable for hearing AIDS chip AIC111. Its interface can correspond to MSP430. Now I don't know how big the gain of the chip, and the drive of power is probably how many?