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Clarity - INT9 A/D converter Tables and specifications
35
5.4 Technical Data
Converter type:
24-bit ΔΣ (delta – sigma)
Analog inputs: differential
Number of channels: 1, 2 or 4 fully independent and isolated
Input range: Unipolar and bipolar, each channel
independentely 156, 1 250 or 12 123 mV
Input impedance:
> 1 MΩ
Sample rate: 6.3, 12.5, 25, 50, 100, 200, 400 samples per
second for 50Hz mains frequency filter
7.5, 15, 30, 60, 120, 240, 480 samples per
second for 60Hz mains frequency filter
Non-linearity: < 0.003 %
Temperature
dependence
< 10 ppm/°C
Digital inputs: 4 TTL (5V)
Digital outputs: 8 TTL (5V, maximum current load per output 20
mA, maximum total current load 100mA), the
first four control relays (switching contacts
rating: max. switching current 0.5 ADC, max.
contact resistance 150mΩ, max. voltage 100V)
Typical noise free resolution for various
acquisition speeds and input ranges:
12 123 mV 1 250 mV 156 mV
6.3 Hz 21.5 bit 21.5 bit 20 bit
25 Hz 21 bit 21 bit 20 bit
100 Hz 19.5 bit 19.5 bit 19.5bit
200 Hz 16.5 bit 16.5 bit 16.5 bit
400 Hz 16 bit 16 bit 16 bit