Page 32 of the Datasheet describes the input differential dynamic range equal to 2ref/gain,
But is described later:The 3-V supply, with a reference of 2.4 V and a gain of 6 for ECGs, is optimized for power with a differential input signal of approximately 300 mV For higher dynamic range, use a 5-V supply with a reference of 4 V (set by the VREF_4V bit of the CONFIG3 register) to increase the differential dynamic range.
The 3-V supply, with a reference of 2.4 V and a gain of 6, The maximum input differential voltage should be 800mV, why 300mV? How to calculate 300mV?
In addition, when the pharmaceutical industry requires input short circuit, the equipment noise should be less than or equal to 1 microvolt under 1 kHz bandwidth. Can ADS1294 meet the requirements?
Thanks for your help