we are trying to design a healthcare producut with adau1761 codec, we want to get some this codec development kit? how to get it?
You can buy the Evaluation board.
Thanks for your quick response! Where I can buy the Evaluation board? and Where I can get the software development kit? such as driver source code, software development example?
Thanks a lot.
Search for EVAL-ADAU1761Z from a supplier that you normally use. I see you are in China and I do not know where the best place is for you.
Digikey has some:
You can always go to our web site and buy some.
Scroll down to the bottom of the page.
Thanks for your good suggestions. Now, we are design one evaluation board and try to let it work, because we are the beginner of this chip, we don't know how to program it and how to let the dsp work. Where we can get some example development source code to refer?
Hi, Dave T,
When we are trying to develop this chip, we find there are record and playback features. Here, we want to know How many bits can be recorded? or How long time can be recorded? 15m, 20m, etc?
I think you are expecting more from this part then it is capable of doing. It does not store any audio. There is some on-chip memory but only for storing the program, the program parameters, and a little memory for data required during operation like a short audio delay. It cannot store large files of audio and stream them out. This would have to be done by a micro-controller. Our part is meant for processing streams of audio sent to it using the serial port or to convert analog audio into digital and process it. Then it can send it out of the DAC to translate it to analog audio or to send it out of the serial port.
The part is not capable of booting itself so you will need a controller in the system.
You can find some basic help here:
Then you can search this forum and find many examples on many topics.
The ADCs and DACs are capable of 24 bit operation. The DSP takes in 24 bit audio and uses 28 bits internally (more in the accumulator) then outputs 24 bit audio.
So all of your recording and playback features will have to be implemented on another part and then the audio can be fed to and from the 1761.
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