The frequency is DC-10Hz.
ADA4051 is a good candidate. Thanks for the suggestion!
This is a duplicate thread. Please refer to : Worse case power dissipation (Pd) & Thermal resistance θjc (Junction to Case) Regards,Goz
The following OP-AMP should work well - ADA4051-1
You may find another suitable option from this location:
The ADA4051-2 has very low offset voltage and would probably be a better choice than the AD8502.
Since the bandwidth of your signal is only 20Hz, the gain-bandwidth of the ADA4051-2 is high enough.
The some datasheet that it have describe the input resistance, like ADA4051, but the others datasheet didn't describe the input resistance, like AD8539 and AD8500
How to know input resistance? especially no describe the input resistance???
ADUC7060 Differential signal amplify:
Consider the power consumption, can not be used within the PGA amplification, use an attachment circuit(OP: ADA4051-2 ), can I?
That the circuit where you need to modify？(Signal change 1~2 mV/V)
Before I used the kind of attachment methodI have bought a 1000 ada4051-2
But input voltage error.
I'm new here so bare with me!
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