Measurement Computing PCM-DAS16x/16 - Manual (Page 36)

11 SPECIFICATIONS
11.1 POWER CONSUMPTION
+5V quiescent 65mA typical, 90mA max
+5V during CIS read 75mA typical, 110mA max
11.2 ANALOG
A/D converter type ADS7805
Resolution 16 bits
Programmable ranges ±10V, ±5V, ±2.5V, ±1.25V
A/D pacing Programmable: internal counter, external source (Ext
Trig/Clk) or software polled
A/D Trigger sources External polled gate trigger (Ext Trig/Clk)
A/D Triggering Modes
Digital: Gated pacer, software polled. (Gate must be disabled by
software after trigger event.)
Data transfer From 512 sample FIFO via REPINSW, interrupt, or soft
ware polled
Polarity Bipolar
Number of channels
PCM-DAS16D/16 8 differential
PCM-DAS16S/16 16 single-ended
A/D conversion time 10µs
Throughput (post-process calibration) 100KHz min
Relative Accuracy (software calibrated) ±1.5LSB
Differential Linearity error ±1.5 LSB
Integral Linearity error ±1.5 LSB
Gain drift (A/D specs) ±410ppm/°C
Zero drift (A/D specs) ±305ppm/°C
Common Mode Range
PCM-DAS16D/16 ±10V
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