Specifications; Analog Input; Accuracy - Measurement Computing PCI-2511 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
Resolution
Number of channels
Input range
Maximum sample rate
Integral Nonlinearity
Differential Nonlinearity
A/D pacing
Trigger sources and modes
Data transfer
Configuration memory
Maximum usable input voltage
+ common mode voltage (CMV + V
Signal- to-noise and distortion
Total harmonic distortion
Calibration
CMRR @ 60 Hz
Bias current
Input impedance
Absolute maximum input voltage

Accuracy

Voltage range
–10 V to 10 V
Note 1: Specifications assume single-channel scan, 1 MHz scan rate, unfiltered, CMV=0.0 V, 30 minute warm-up,
exclusive of noise.
Note 2: Noise reflects 10,000 samples at 1 MHz, typical, short to AGND, using CA-68-3S cable.
Table 1. Analog input specifications
Specification
Successive approximation
16 bits
16 single-ended
±10 V
1 MHz
±2 LSB max
±1 LSB max
Onboard input scan clock, external source (XAPCR)
Refer to
DMA
Programmable I/O
Range: ±10 V
) 10.5 V max
in
72 dB typical for ±10 V range, 1 kHz fundamental
-80 dB typical for ±10 V range, 1 kHz fundamental
Factory calibration
–70 dB typical DC to 1 kHz
40 pA typical (0 °C to 35 °C)
10 MΩ single-ended
±30 V
Table 2. Analog input accuracy specifications
Accuracy
±(% of reading + % range)
23 °C ±10 °C, 1 year
0.040% + 0.010%
Table 7
Temperature coefficient
±(ppm of reading + ppm range)/°C
14 + 8
30
Chapter 5
Noise
(cts RMS)
2.0