Clarity INT9 manual Technical Data, Input impedance Sample rate

Clarity - INT9 A/D converter Tables and specifications

5.4Technical 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	< 10 ppm/°C
dependence
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

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