Specifications; Analog Input - Measurement Computing USB-1608GX-AO User Manual

Specifications

All specifications are subject to change without notice.
Typical for 25 °C unless otherwise specified.
Specifications in italic text are guaranteed by design.

Analog input

Parameter
A/D converter type
ADC resolution
Number of channels
Input voltage range
Absolute max input voltage
Input impedance
Input bias current
Input bandwidth
Input capacitance
Max working voltage (signal
+ common mode)
Common mode rejection ratio
Crosstalk
Input coupling
Sampling rate
Trigger source
Sample clock source
Burst mode
Throughput
Channel gain queue
Warm-up time
Table 1. General analog input specifications
Condition
CHx relative to AGND
All input ranges,
small signal (–3 dB)
±10V range
±5V range
±2V range
±1V range
(f = 60 Hz, all input
IN
ranges)
Adjacent differential mode
channels, DC to 100 kHz
Software paced
Hardware paced
Up to 16 elements
16
Specification
Successive approximation
16 bits
8 differential, 16 single-ended
Software-selectable
±10 V, ±5 V, ±2 V, ±1 V
Software-selectable per channel
±25 V max (power on)

±15 V max (power off)

1 GΩ (power on)

820 Ω (power off)

±10 nA
870 kHz
60 pf
±10.2 V max relative to AGND
±10.2 V max relative to AGND
±9.5 V max relative to AGND
±9.0 V max relative to AGND
86 dB
–75 dB
DC
0.0149 Hz to 500 kHz; software-selectable
TRIG (see External trigger on page 19)
Internal A/D clock or external A/D clock (AICKI pin)
2 µs
Software-selectable using the internal A/D clock; always
enabled when using the external clock (AICKI pin).
33 to 4000 S/s typ, system dependent
500 kS/s max
Software-selectable range for each channel
15 minutes min
Chapter 4