JYTEK PXIe-69529, User Manual

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2
1�3 Specifications
1�3�1 Analog Input
Channel Characteristics Comment
Channels 8
Type Differential or Pseudo-Differential
Coupling AC or DC, software selectable
AC coupling cutoff frequency 0.5Hz
ADC resolution 24-Bit
ADC type Delta-sigma
Input signal range ±10V, ±1V
Sampling rate (fs) 8 kS/s to 204.8 kS/s,
768 μS/s increments for fs > 108 kS/s,
576 μS/s increments for 54 kS/s ≤ fs
≤108 kS/s
Over voltage protection Differential: ±42.4V, Pseudo-
differential:
• positive terminal ±42.4 V
• negative terminal unprotected,
rated at ±2.5 V
Input impedance 1MΩ, (50Ω between negative input and
system ground for pseudo-differential
mode)
Offset error ±1 mV max.
Gain error ±0.1% of FSR
SNR, @fin = 1kHz 103 dB fs = 8.0 kS
104 dB fs = 54.0 kS
99 dB fs = 108 kS
98 dB fs = 192 kS
THD < -106 dB
SFDR > 106 dB
crosstalk < -100 dB
-3 dB bandwidth >0.4863 fs fs < 108 kS
≌
0.2 fs
fs > 108 kS
IEPE
Current 4 mA, each channel independently
software configurable
Compliance 24V
Table 1-1: Channel Characteristics