Introduction
3
1.3 Specifications
Analog Input (AI)
Hardware
PCI-69222
PCI-69223
Number of channels
(programmable)
16
32
A/D converter
AD7685 or equivalent
AD7686 or equivalent
Maximum sampling rate
Single-channel:
Scanning:
250 K samples/s
100 K samples/s
500 K samples/s
200 K samples/s
Resolution
16-bit
Input coupling
DC
Programmable input range
±10 V, ±5 V, ±2.5 V, ±2 V, ±1.25 V,
±1 V, ±500 mV, ±250 mV
Operational common mode
voltage range
±8 V
Overvoltage protection
Power on:
Power off:
Continuous ±30 V
Continuous ±30 V
Continuous ±30 V
Continuous ±30 V
FIFO buffer size
1K samples
Data transfers
Programmed I/O
Bus-mastering DMA with scatter/gather
Channel Gain Queue
configuration size
32 words
Input impedance
1000G/150pF
Trigger mode
Post-trigger with retrigger, Gated trigger
Time-base source
Internal, 80 Mhz
Electrical
Function
23°C (±5°C)
Offset error
±0.5 mV
Gain error
±2 mV
–3dB small signal bandwidth
1
1.5 Mhz
System noise
2
0.5 mVrms
1% THD large signal
bandwidth
CMRR
3
93.5 dB
Содержание NuDAQ PCI-69222
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