AD7768 Filter

Question

Hi all, 
 AD7768 has two digital filters sinc and a wideband filter which is should use for analog signals. 
 Thanks & Regards, 
 Siva.

JellenieR · Accepted Answer

Hi, 
 The answer to this question depends on input bandwidth and speed of the conversion versus the desired power mode or resolution. Sinc5 is ideal for low bandwidth signal and it has better noise peformance and lower power consumption. But if a wider bandwidth and faster ODR is required you can use the other filter type. The bandwidth for each filter is shown here below. 
 Sinc5 low latency filter, &minus;3 dB at 0.204 &times; ODR Wideband low ripple filter, &minus;3 dB at 0.433 &times; ODR 
 So it really depends on your required specs and conditions. 
 Thanks, 
 Jellenie)

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AD7768 Filter