Chapter 5 Specifications; Analog Input; Accuracy - Measurement Computing PCI-DAS6013 User Manual

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

Analog input

A/D converter
Resolution
Number of channels
Input ranges
A/D pacing
Burst mode
A/D gate sources
A/D gating modes
A/D trigger sources
A/D triggering modes
ADC pacer out
RAM buffer size
Data transfer
DMA modes
Configuration memory
(see Note 1)
Streaming-to-disk rate
Mixing high gains (±500 mV, ±50 mV) with low gains (±10 V, ±5 V) within the channel-gain
Note 1:
queue is not supported.

Accuracy

200 kS/s sampling rate, single channel operation and a 15-minute warm-up. Accuracies listed are for
measurements made following an internal calibration. They are valid for operational temperatures within ±1 °C
of internal calibration temperature and ±10 °C of factory calibration temperature. Calibrator test source high
side tied to channel 0 high and low side tied to channel 0 low. Low-level ground is tied to channel 0 low at the
user connector.
Range
±10 V
±5 V
±500 mV
±50 mV
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Successive approximation type, min 200 kS/s conversion rate.
16 bits, 1-in-65536
16 single-ended / 8 differential, software selectable
±10 V, ±5 V, ±500 mV, ±50 mV, software selectable
Internal counter – ASIC. Software selectable time base:
 Internal 40 MHz, 50 ppm stability
 External source via AUXIN<5:0>, software selectable.
External convert strobe: A/D CONVERT
Software paced
Software selectable option, burst rate = 5 µs.
External digital: A/D GATE
External digital: Programmable, active high or active low, level or edge
External digital: A/D START TRIGGER
A/D STOP TRIGGER
External digital: Software-configurable for rising or falling edge.
Pre-/post-trigger: Unlimited number of pre-trigger samples, 16 Meg post-trigger samples.
Available at user connector: A/D PACER OUT
8 K samples
DMA
Programmed I/O
Demand or non-demand using scatter gather.
Up to 8 K elements in the queue. Programmable channel, gain, and offset.
200 kS/s, system dependent
Table 1. Absolute accuracy specifications
Absolute Accuracy
±29.4 LSB
±13.1 LSB
±30.9 LSB
±45.2 LSB
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Chapter 5