Owner's manual

8Introduction
1.4 Performance
Notes for Table 1-9:
SFDR, SINDA, THD, SNR, ENOB Data are based on below
condition
 Gain = 1
 0.9803771 KHz input tone, 18 Vpp input amplitude, 257
Sine waves, 65536 points
 9.99832 KHz input tone, 18 Vpp input amplitude, 2621
Sine waves, 65536 points
Analog Input Measurement[1]
Model Number PXI-2020/2022
Function Result under 25°C ± 5°C
Offset Error (gain = 1) ±0.6 mV (Typical)
Gain Error (gain = 1) ±0.02% (Typical)
–3dB small signal bandwidth
gain = 1 : 1 MHz
gain = 4 : 700 KHz
System Noise
gain = 1 : 0.5 mVrms
gain = 4 : 0.2 mVrms
CMRR*(2) (DC)
gain = 1 : 80 dB
gain = 4 : 80 dB
Spurious-free dynamic range (SFDR) 87 dB
Signal-to-noise and distortion ratio
(SINAD)
82 dB
Total harmonic distortion (THD) –85 dB
Signal-to-noise ration (SNR) 84 dB
Effective number of bits (ENOB) 13.3 bits
Table 1-9: Performance