Sustained Input Voltage without Damage:
l
SE1-SE2: –6 V, +9 V
l
SE3-SE6: ±17 V
DC Common Mode Rejection:
l
>120 dB with input reversal
l
≥90 dB without input reversal
Normal Mode Rejection:
l
>71 dB at 50 Hz
l
>74 dB at 60 Hz
Input Current @ 25 °C:
l
±.08 nA typical (f
N1
= 50/60 Hz)
l
±13 nA typical (f
N1
= 4000 Hz)
Filter First Notch Frequency (f
N1
) Range: 50/60, 400, 4000 Hz (user specified)
Analog Range and Resolution:
Differential with input
reversal
Single-ended and
differential without input
reversal
Notch
frequency
(f
N1
) (Hz)
Range
1
(mV)
RMS
(µV)
Bits
2
RMS
(µV)
Bits
2
4000
–100 to +2500
–34 to +34
23
3.0
16.8
14.5
33
4.2
16.3
14.0
400
–100 to +2500
–34 to +34
3.8
0.58
19.4
16.8
5.4
0.82
18.9
16.3
50/60
3
–100 to +2500
–34 to +34
1.6
0.23
20.6
18.2
2.3
0.33
20.1
17.7
1
Range overhead of ~10% on all ranges guarantees that full-scale values will not cause over range
2
Typical effective resolution (ER) in bits; computed from ratio of full-scale range to RMS resolution.
3
50/60 corresponds to rejection of 50 and 60 Hz ac power mains noise.
24. CR300 series specifications244
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