Can AD8232 be directly connected to ADuCM350?
They’re not a perfect fit unfortunately but it can be done. The AD8232 is an analog output (close to rail to rail, GND+100mV to +VS-100mV). The supply ranges from 2.0V to 3.6V. Its output is centered at VREFOUT, which is usually set at midsupply but it could also be set at the ADuCM350´s Vbias=1.1V (just connect Vbias to the AD8232´s REFIN input, to buffer it). To maximize the linear range the AD8232´s supply should be 2 times ADuCM350's VBIAS - 2.2V by default. So possibly a divided down version of a regulated supply.
Like Gustavo says - it would need to be validated.
I am not sure if anyone has tried this yet, but I do know that you can do this with ADuCM360, so it shouldn't be a problem. Of course, the devil is in the details, so you may want to prototype it to make sure it meets your expectations. There is an evaluation board for AD8232 available for this purpose
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