
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
Successive approximation type
Resolution
16 bits, 1 in 65536
Maximum sample rate
100 kS/s
Number of channels
16 single ended / 8 differential, software selectable
Input ranges
Bipolar:
±10 V, ±5 V, ±2 V, ±1 V, ±0.5 V, ±0.2 V, ±0.1 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
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 = 10 µS.
A/D gate sources
External digital: A/D GATE
External analog: ATRIG input
CH0 IN through CH15 IN
A/D gating modes
External digital: Programmable, active high or active low, level or edge
External analog: Refer to
Analog Trigger
on page 39.
A/D trigger sources
External digital: A/D START TRIGGER
A/D STOP TRIGGER
External analog: ATRIG input
CH0 IN through CH15 IN
A/D triggering modes
External digital: Software-configurable for rising or falling edge.
External analog: Refer to
Analog Trigger
on page 39.
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
8 K 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
100 kS/s, system dependent
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