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Sigma Delta Wideband (Analog Anti
-
Alias)
When Sigma Delta wideband is selected there is always the anti
-
alias filter built
-
in the Sigma Delta ADC (no digital filter) in the signal path.
Therefore there is always anti
-
alias protection when Sigma Delta wideband is selected.
Wideband
-
3 dB bandwidth
(1) DC to 211 kHz
DC to 56 kHz for
±
1 mV range due to high amplifier gain
0.1 dB passband flatness
(1) DC to 150 kHz
DC to 7 kHz for
±
1 mV range due to high amplifier gain
Frequency [kHz]
Frequency [kHz]
Magnitude
[dB
]
Magnitude
[dB
]
100
Magnitude [%]
102.33
101.74
101.16
100.58
99.43
98.86
98.29
97.72
1000 100 10 1 0.1
0.2
0.1
0
0.05
0.15
-0.1
-0.15
-0.05
-0.2
Frequency [kHz]
Magnitude
[dB
]
±
1 mV Wideband 500 kS/s Overview
±
1 mV Wideband 500 kS/s Passband flatness
100
Magnitude [%]
102.33
101.74
101.16
100.58
99.43
98.86
98.29
97.72
1000 100 10 1 0.1
0.2
0.1
0
0.05
0.15
-0.1
-0.15
-0.05
-0.2
Frequency [kHz]
Magnitude
[dB
]
±
10 V Wideband 500 kS/s Passband flatness
-160
-140
-120
-100
-80
-60
-40
-20
0
0.1 1 10 100 1000
±
10 V Wideband 500 kS/s Overview
-160
-140
-120
-100
-80
-60
-40
-20
0
0.1 1 10 100 1000
Figure A.240: Representative Wideband examples
(1) Measured using a Fluke 5730A calibrator, DC normalized
GEN3i
I3763-3.1 en HBM: public 655