National Instruments FP-AI-112 User Manual download pdf (Page 10)

FP-AI-112 and cFP-AI-112 10 ni.com

Effective resolution by input range and filter setting

Update period and input bandwidth by filter setting

Normal-mode rejection ..................... 95 dB

Nonlinearity ...................................... 0.0015% (monotonicity

warranted over the operating

temperature range)

Input impedance (with power on).....>100 MΩ

Overvoltage protection ..................... ±40 V

Input current

25 °C........................................... 400 pA typ, 1 nA max

70 °C........................................... 3 nA typ, 15 nA max

Nominal

Input Range

With

Overranging

Effective

Resolution

at 50 or 60 Hz

Effective

Resolution

at 500 Hz

±60 mV ±65 mV 3 µV 25 µV

±300 mV ±325 mV 16 µV 100 µV

±1 V ±1.04 V 40 µV 300 µV

±5 V ±5.2 V 190 µV 1500 µV

±10 V ±10.4 V 380 µV 3000 µV

0–1 V 0–1.04 V 20 µV 300 µV

0–5 V 0–5.2 V 95 µV 1500 µV

0–10 V 0–10.4 V 190 µV 3000 µV

Includes quantization errors and typical rms noise.

Characteristic

Filter Settings

50 Hz 60 Hz 500 Hz

Update period

1.25–1.75 s 1.05–1.45 s 0.27–0.32 s

Input bandwidth (–3 dB) 13 Hz 16 Hz 130 Hz

Applies when all 16 channels are set to the same filter setting. Refer to

the

Update Rate

section for information about calculating the update rate.

A characteristic of an ADC in which the digital code output always increases as the

value of the analog input to it increases.

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National Instruments FP-AI-112 User Manual Page 10

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