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AFE4410: replace the competitor AD5940

William Zhang2
Intellectual 905 points

Part Number: AFE4410
Other Parts Discussed in Thread: AFE4500

Team,

Customer report there is a wearable project which can monitor the water loss in  human body used AD5940, but meet some issue.

I would like to promote our AFE4410 to replace the competitor AD5940, can you help with a comparison of the main parameters between AD5940 and AFE4410? Or do you have another advice alternative part?

The application spec are as follows:
1. Measure the resistance of the two resistors (resistance 1, resistance 2) respectively, the resistance measurement requires a range of 10~150K, and the actual range can be larger
2. The fastest sampling time is 500 milliseconds to measure the resistance value (resistance 1, 2)
3. The reference application of AD5940 is 2-wire bioimpedance: www.analog.com/.../an-1557.html

Do we have such a similar application? Is there a reference circuit for AFE4410, preferably PIN: VXO as a multi-channel analog output?

Thanks for your support.

Best regards,

William