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Extended Warranty

NI offers options for extending the standard product warranty to meet the life-cycle requirements of your project. In addition, because NI understands that your requirements may

change, the extended warranty is flexible in length and easily renewed. For more information, visit ni.com/warranty.

OEM

NI offers design-in consulting and product integration assistance if you need NI products for OEM applications. For information about special pricing and services for OEM

customers, visit ni.com/oem.

Alliance

Our Professional Services Team is comprised of NI applications engineers, NI Consulting Services, and a worldwide National Instruments Alliance Partner program of more than

700 independent consultants and integrators. Services range from start-up assistance to turnkey system integration. Visit ni.com/alliance.

Detailed Specifications

Specifications listed below are typical at 25 °C unless otherwise noted. Refer to the

for more information about NI PCIe-6320/6321/6323 devices.

X Series User Manual

Analog Input

Number of channels

NI 6320/6321

8 differential or 16 single ended

NI 6323

16 differential or 32 single ended

ADC resolution

16 bits

DNL

No missing codes guaranteed

INL

Refer to the AI Absolute Accuracy Table

Sampling rate

Maximum

250 kS/s single channel, 250 kS/s multi-channel (aggregate)

Minimum

No minimum

Timing accuracy

50 ppm of sample rate

Timing resolution

10 ns

Input coupling

DC

Input range

±10 V, ±5 V, ±1 V, ±0.2 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

Device off

AI+ to AI GND

1200 Ω

AI– to AI GND

1200 Ω

Input bias current

±100 pA

Crosstalk (at 100 kHz)

Adjacent channels

–75 dB

Non-adjacent channels

–90 dB

Small signal bandwidth (–3 dB)

700 kHz