U2781A Datasheet, PDF (20/76 Pages) Keysight Technologies – USB Modular Products

Electrical measurement specifications
Basic multifunction USB DAQ
Model number
Analog input measurement¹
Function
Offset error
Gain error
–3 dB Small signal bandwidth²
1% THD Large signal bandwidth²
System noise
CMRR
Spurious-Free Dynamic Range (SFDR)³
Signal-to-Noise and Distortion Ratio
(SINAD)³
Total Harmonic Distortion (THD)³
Signal-to-Noise Ratio (SNR)³
Effective Number of Bits (ENOB)³
U2351A, U2352A
23 °C ± 5 °C
0 °C to 18 °C
28 °C to 45 °C
±1 mV
±5 mV
±2 mV
±5 mV
760 kHz
300 kHz
1 mVrms
2 mVrms
62 dB
88 dB
80 dB
–90 dB
80 dB
13
U2353A, U2354A
23 °C ± 5 °C
0 °C to 18 °C
28 °C to 45 °C
±1 mV
±5 mV
±2 mV
±5 mV
1.5 MHz
300 kHz
1 mVrms
2.5 mVrms
62 dB
82 dB
78 dB
–82 dB
78 dB
12.6
Model number
Analog output measurement¹
Function
Offset error
Gain error
Slew rate
Rise time
Fall time
Settling time to 1% output error
Driving capability
Glitch energy
U2351A, U2353A
23 °C ± 5 °C
±1 mV
0 °C to 18 °C
28 °C to 45 °C
±4 mV
±4mV
19 V/μs
0.9 μs
0.9 μs
4 μs
5 mA
5 ns-V (Typical), 80 ns-V (Maximum)
±5 mV
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
3 _{Specifications are based on the following test conditions:}
500 kSa/s
–– 10% FSR
–– FSR –1 dB FS
Dynamic range test
SFDR, THD, SINAD, SNR, ENOB
Model number
U2351A
U2352A
U2353A
U2354A
Test conditions (DUT setting at ±10 V bipolar)
–– Sampling rate:
–– Fundamental frequency:
–– Number of points:
–– Fundamental input voltage:
–– Sampling rate:
–– Fundamental frequency:
–– Number of points:
–– Fundamental input voltage:
250 kSa/s
2.4109 kHz
8192
FSR –1 dB FS
500 kSa/s
4.974 kHz
16384
FSR –1 dB FS
20