9

Electrical measurement specifications

Basic multifunction USB DAQ

Model number

U2351A, U2352A

U2353A, U2354A

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

760 kHz

1.5 MHz

300 kHz

300 kHz

System noise

1 mVrms

2 mVrms

1 mVrms

2.5 mVrms

CMRR

62 dB

62 dB

88 dB

82 dB

Signal-to-Noise and Distortion Ratio

80 dB

78 dB

–90 dB

–82 dB

80 dB

78 dB

13

12.6

Model number

U2351A, U2353A

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:

– 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