ADAS1000BSTZ Datasheet, PDF (20/80 Pages) Analog Devices – Low Power, Five Electrode trocardiogram (ECG) Analog Front End

ADAS1000/ADAS1000-1/ADAS1000-2
0
–1
–2
–3
–4
–5
–6
–7
–8
–9
–10
1
AVDD = 3.3V
10
100
1k
FREQUENCY (Hz)
Figure 24. Filter Response with 150 Hz Filter Enabled, 2 kHz Data Rate; See
Figure 72 for Digital Filter Overview
0
–1
–2
–3
–4
–5
–6
–7
–8
–9
–10
1
10
100
1k
FREQUENCY (Hz)
Figure 25. Filter Response with 250 Hz Filter Enabled, 2 kHz Data Rate; See
Figure 72 for Digital Filter Overview
0
–1
–2
–3
–4
–5
–6
–7
–8
–9
–10
1
AVDD = 3.3V
10
100
1k
FREQUENCY (Hz)
Figure 26. Filter Response with 450 Hz Filter Enabled, 2 kHz Data Rate; See
Figure 72 for Digital Filter Overview
Data Sheet
0
–1
–2
–3
–4
–5
AVDD = 3.3V
–6
1
10
100
1k
10k
100k
FREQUENCY (Hz)
Figure 27. Analog Channel Bandwidth
0
AVDD = 3.3V
–1
–2
–3
–4
–5
–6
–7
–8
–9
1
10
100
1k
10k
100k
FREQUENCY (Hz)
Figure 28. Filter Response Running at 128 kHz Data Rate; See Figure 72 for
Digital Filter Overview
1.8010
1.8005
1.8000
1.7995
1.7990
1.7985
1.7980
1.7975
1.7970
1.7965
–40
–20
0
20
40
60
80
TEMPERATURE (°C)
Figure 29. Typical Internal VREF vs. Temperature
Rev. A | Page 20 of 80