System noise, Common mode rejection ratio (cmrr), 3 db bandwidth – ADLINK PCIe-9529 User Manual

Page 13: Flatness

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Introduction

3

PCIe-9529

System Noise

Common Mode Rejection Ratio (CMRR)

-3 dB Bandwidth

Flatness

Sample Rate (kS/s)

System Noise1 (LSB

rms

)

1

Fs = 54 kS/s

37.4

Fs = 108 kS/s

66.5

Fs = 192 kS/s

74.6

1. Shorted input

Input Range (V)

CMRR

1

(dB)

±1V

65

±10V

80

1. Input frequency < 1 kHz

Sample rate

1

-3 dB bandwidth

Fs < 108 kS/s

>0.4863 FS

Fs > 108 kS/s

>0.22 FS

1. Disable digital filter when Fs < 108 kS/s; Enable digital filter
when Fs > 108 kS/s

Flatness (dB)

1

Input Range (V)

54 kS/s
20 Hz to 22 kHz

108 kS/s
20 Hz to 45 kHz

192 kS/s
20 Hz to 42 kHz

±1V, ±10V

0.06

0.08

0.1

1. Relative to 1 kHz

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