The analog inputs are single-ended bipolar inputs with the following
characteristics.
Electrical characteristics
Parameter Value
Min. Max.
Input voltage –10 V +10 V
Overvoltage protection –15 V +15 V
Input resistance Approx. 1 MΩ
SNR (signal-to-noise ratio), as
of board revision DS1103-09
16-bit muxed ADCs > 83 dB
16-bit parallel ADCs > 83 dB
SNR (signal-to-noise ratio), up
to board revision DS1103-07
16-bit muxed ADCs > 80 dB
12-bit parallel ADCs > 65 dB
Power‑up default The behavior of inputs is
not critical for
connected devices.
s
Signal Connection to External Devices
t
164
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DS1103 Hardware Installation and Configuration November 2014