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Old 2nd November 2011, 04:56 PM   #1
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Default DAC with built in preamplifier

I have designed a board which uses the microprocessors Sigma Delta DAC ( it is an Atmel AVR32 ) for audio purposes, but the signal generated by this DAC has no enough quality for my requirements. So Iím planning to add an external DAC. My idea is to replace the boardís audio preamplifier IC with another IC which includes the DAC and the preamplifier in the same chip. Iím looking for a device with these features:
- DAC and preamplifier in the same IC
- Not BGA
- SPI interface or similar to send samples data.
Hope anybody can give me a good advice or recommendation. Other models or ideas that do not match previous requirements are also welcome!
Thanks!!
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