Analog Input Section
Channels
4
Connectors
16 pin Lemo with connector chassis grounded, 1 per channel
Lemo EGG.2B.316.CYM
Mating connector
Lemo FGG.2B.316.CLAD52
Input type
Analog, isolated balanced differential
Input impedance
2 * 10 MΩ
±
1% // 130 pF
±
10%
Input coupling
Coupling modes
AC, DC, GND
AC coupling frequency
0.16 Hz,
±
10%;
-
3 dB
-60
-50
-40
-30
-20
-10
0
0.0001
0.001
0.01
0.1
1
10
M
ag
n
it
u
d
e
[d
B
]
0.16 Hz AC coupling response [dB]
0
10
20
30
40
50
60
70
80
90
100
0.0001
0.0010
0.0100
0.1000
1.0000
10.0000
M
ag
n
it
u
d
e
[%
]
Frequency [Hz]
0.16 Hz AC coupling response [%]
Frequency [Hz]
Figure A.37:
Representative AC coupling response
Ranges
±
2 mV,
±
5 mV,
±
10 mV,
±
20 mV,
±
50 mV,
±
0.1 V,
±
0.2 V,
±
0.5 V,
±
1.0 V,
±
2.0 V,
5.0 V
±
,
±
10.0 V
Each range supports a variable gain in 1000 steps (0.1%). This creates 1000 extra ranges
between 2 specified ranges
Offset
±
50% in 1000 steps (0.1%)
±
10 V range has fixed 50% offset
DC Offset error
Wideband
0.2% of Full Scale
±
120 μV
Bessel IIR and FIR
0.1% of Full Scale
±
40 μV
Offset error drift
±
100 ppm/°C (
±
180 ppm/°F)
DC Gain error
Wideband
0.1% of Full Scale
±
40 μV
Bessel IIR and FIR
0.1% of Full Scale
±
40 μV
Gain error drift
±
100 ppm/°C (
±
180 ppm/°F)
Maximum static error (MSE)
Wideband
0.2% of Full Scale
±
120 μV
Bessel IIR and FIR
0.1% of Full Scale
±
40 μV
RMS Noise
Wideband
0.02% of Full Scale
±
30 μV
Bessel IIR and FIR
0.02% of Full Scale
±
30 μV
Common mode
Rejection (CMR)
> 72 dB @ 80 Hz
Maximum common mode voltage
±
10 V RMS to amplifier ground
±
50 V RMS to isolated ground
Input overload protection
Maximum voltage
±
35 V DC
Overload recovery time
Restored to 10% accuracy in 1 μs after 200% overload
Restored to 0.1% accuracy in 10 μs after 200% overload
GEN3i
420
I3763-3.1 en HBM: public
