Specification Value
Number of inputs 2
Type of input (input 2) Differential
ESD protected
Type of input (input 1) Single ended
ESD protected
ESD capability (input 2) IEC 61000-4-2 (ESD) ± 15 kV (air), ± 8 kV
(contact)
ESD capability (input 1) IEC 61000-4-2 (ESD) ± 15 kV (air), ± 8 kV
(contact)
Analog input resolution 12 bits
Maximum operating differential voltage
(input 2)
±10 V
Maximum operating voltage (input 1) 0 ~ 5 V
Maximum voltage on any input pin for input 2 (referred
to GND)
24 V
Maximum voltage on any input pin for input 1 (referred
to GND)
24 V
Maximum common mode voltage on input 2 10 V
Maximum working frequency 10 kHz for input 1
50 kHz for input 2
Input impedance >10 kΩ
Next figure shows the circuit model for the analog input 2:
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