NI PCIe-6259 tarjeta de adquisición de datos

Especificaciones

Marca: NI
Model:PCIe-6259
Number of channels: 16 differential or 32 single ended
ADC resolution: 16 bits
DNL: No missing codes guaranteed
Sample rate
Single channel maximum: 1.25 MS/s
Multichannel maximum (aggregate): 1.00 MS/s
Minimum: No minimum
Timing resolution: 50 ns
Timing accuracy: 50 ppm of sample rate
Input coupling: DC
Input range: ±0.1 V, ±0.2 V, ±0.5 V, ±1 V, ±2 V, ±5 V,±10 V
Maximum working voltage for analog inputs (signal + common mode): ±11 V of AI GND
CMRR (DC to 60 Hz): 100 dB
Input impedance(Device on)
AI+ to AI GND >10 GΩ in parallel with 100 pF
AI- to AI GND >10 GΩ in parallel with 100 pF
Input impedance(Device off)
AI+ to AI GND 820 Ω
AI- to AI GND 820 Ω
Impedancia de entrada
Crosstalk (at 100 kHz)
Adjacent channels -75 dB
Non-adjacent channels -95 dB
Small signal bandwidth (-3 dB): 1.7 MHz
Input FIFO size: 4,095 samples
Scan list memory: 4,095 entries
Data transfers
PCI/PCI Express/PXI/PXI Express: DMA (scatter-gather), interrupts,
programmed I/O
USB: USB Signal Stream, programmed I/O
Overvoltage protection for all analog input and sense channels
Device on ±25 V for up to four AI pins
Device off ±15 V for up to four AI pins
Input current during overvoltage condition: ±20 mA maximum/AI pin