Measurement Computing PCI-DAS6071 - Manual (Page 34)

34
Chapter 5
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
Table 1. Analog input specifications
Parameter Specification
A/D converter type Successive approximation
Maximum sample rate 1.25 MS/s
Resolution 12 bits, 1-in-4096
Number of channels 64 single ended / 32 differential, software selectable
Input ranges Bipolar: ±10 V, ±5 V, ±2.5 V, ±1 V, ±0.5 V, ±0.25 V, ±0.1 V, ±0.05 V
Unipolar: 0 to 10 V, 0 to 5 V, 0 to 2 V, 0 to 1 V, 0 to 0.5 V, 0 to 0.2 V,
0 to 0.1 V
Software selectable
A/D pacing
(software programmable) 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
Burst mode Software selectable option, burst rate = 800 nS
A/D gate sources External digital: A/D GATE
External analog: ATRIG input
CH0 IN through CH63 IN
A/D gating modes External digital: Programmable, active high or active low, level or edge
External analog: Refer to Analog trigger on page 41
A/D trigger sources External digital: A/D START TRIGGER
A/D STOP TRIGGER
External analog: ATRIG input
CH0 IN through CH63 IN
A/D triggering modes External digital: Software-configurable for rising or falling edge.
External analog: Refer to Analog trigger on page 41
Pre-/Post-trigger: Unlimited number of pre-trigger samples, 16 Meg post-
trigger samples.
ADC pacer out Available at user connector: A/D PACER OUT
RAM buffer size 8K samples
Data transfer DMA
Programmed I/O
DMA modes Demand or non-demand using scatter gather.
Configuration memory Up to 8 K elements. Programmable channel, gain, and offset
Streaming-to-disk rate 1.25 MS/s, system dependent