Datasheet

9
Electrical measurement specications
Basic multifunction USB DAQ
Model number U2351A, U2352A U2353A, U2354A
Analog input measurement
1
Function 23 °C ± 5 °C
0 °C to 18 °C
28 °C to 45 °C
23 °C ± 5 °C
0 °C to 18 °C
28 °C to 45 °C
Offset error ±1 mV ±5 mV ±1 mV ±5 mV
Gain error ±2 mV ±5 mV ±2 mV ±5 mV
–3 dB Small signal bandwidth
2
760 kHz 1.5 MHz
1% THD Large signal bandwidth
2
300 kHz 300 kHz
System noise 1 mVrms 2 mVrms 1 mVrms 2.5 mVrms
CMRR 62 dB 62 dB
Spurious-Free Dynamic Range (SFDR)
3
88 dB 82 dB
Signal-to-Noise and Distortion Ratio
(SINAD)
3
80 dB 78 dB
Total Harmonic Distortion (THD)
3
–90 dB –82 dB
Signal-to-Noise Ratio (SNR)
3
80 dB 78 dB
Effective Number of Bits (ENOB)
3
13 12.6
Model number U2351A, U2353A
Analog output measurement
1
Function 23 °C ± 5 °C
0 °C to 18 °C
28 °C to 45 °C
Offset error ±1 mV ±4 mV
Gain error ±4mV ±5 mV
Slew rate 19 V/μs
Rise time 0.9 μs
Fall time 0.9 μs
Settling time to 1% output error 4 μs
Driving capability 5 mA
Glitch energy 5 ns-V (Typical), 80 ns-V (Maximum)
1
Specifications are for 20 minutes of warm-up time, calibration temperature at 23 °C and input range of ±10 V.
2
Specifications are based on the following test condition:
Bandwidth test Model number Test conditions (DUT setting at ±10 V bipolar)
–3 dB Small signal bandwidth
1% THD large signal bandwidth
U2351A
U2352A
Sampling rate:
Input voltage:
– –3 dB Small signal bandwidth
– 1% THD Large signal bandwidth
250 kSa/s
– 10% FSR
– FSR –1 dB FS
U2353A
U2354A
Sampling rate:
Input voltage:
– –3 dB Small signal bandwidth
– 1% THD Large signal bandwidth
500 kSa/s
– 10% FSR
– FSR –1 dB FS
3
Specifications are based on the following test conditions:
Dynamic range test Model number Test conditions (DUT setting at ±10 V bipolar)
SFDR, THD, SINAD, SNR, ENOB U2351A
U2352A
– Sampling rate:
– Fundamental frequency:
– Number of points:
– Fundamental input voltage:
250 kSa/s
2.4109 kHz
8192
FSR –1 dB FS
U2353A
U2354A
– Sampling rate:
– Fundamental frequency:
– Number of points:
– Fundamental input voltage:
500 kSa/s
4.974 kHz
16384
FSR –1 dB FS