Specifications; Analog Input Section - Measurement Computing USB-1616FS User Manual

Specifications

Typical for 25 °C unless otherwise specified.
Specifications in italic text are guaranteed by design.

Analog input section

Parameter
A/D converters
Number of channels
Input configuration
Sampling method
Absolute maximum input
voltage
Input impedance
Input bandwidth (-3 dB)
Input leakage current
Input capacitance
Offset temperature drift
Gain temperature drift
Input ranges
Sampling rate
Throughput
Gain queue
Resolution
No missing codes
Crosstalk
Calibration voltages
Calibration voltage accuracy
(Note 1)
Temperature sensor range
Temperature sensor
accuracy
Trigger source
Actual values used for calibration are measured and stored in EEPROM.
Note 1:
Conditions
CHx IN to GND
All ranges
Software selectable
Scan to PC memory
Burst scan to 32 k
sample FIFO
Software paced
Scan to PC memory
Burst scan to 32 k
Sample FIFO
Dc – 25 kHz (sine)
Software selectable
4-1
Specification
16-bit, SAR type
16 single-ended
Individual A/D per channel
Simultaneous
±15 V max.
100 MOhm, min.
50 kHz typ.
±1 µA typ.
50 pf typ.
15 ppm/°C typ.
35 ppm/°C typ.
±10 V, ±5 V, ±2 V, ±1 V
0.6 S/s to 50 kS/s, software programmable
20 S/s to 50 kS/s, software programmable
30 – 500 S/s all channels (throughput is system
dependant)
See Single board and Multiple board throughput
sections that follow this table.
= (200 kS/s) / (# of channels), max of 50 kS/s for any
channel
Software configurable. Sixteen elements, one gain
element per channel.
16 bits
15 bits
-80 dB min.
0 V, ±0.625 V, ±1.25 V, ±2.5 V, ±5.0 V, software
selectable
±0.5% typ., ±1.0% max.
0 °C to +70 °C max.
±3 °C typ.
External digital: TRIG_IN
Chapter 4