User manual

12 U2300A Series DAQ Service Guide
1 Characteristics and Specifications
High Density Multifunction USB DAQ Device
Analog Input Measurement
[1]
Model Number U2355A U2356A U2331A
Function 23 °C ± 5 °C
0 °C - 18 °C
28 °C - 45 °C
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 ±2 mV ±1 mV ±2 mV ±2 mV ±3 mV
Gain Error ±2 mV ±3 mV ±2 mV ±6 mV ±6 mV ±7.5 mV
–3 dB small signal bandwidth
[2]
760 kHz 1.3 MHz 1.2 MHz
1% THD large signal bandwidth
[2]
400 kHz 400 kHz N/A
System noise 1 mVrms 2 mVrms 1 mVrms 4 mVrms 3 mVrms 5 mVrms
CMRR 64 dB 61 dB 62 dB
Spurious-free dynamic range
(SFDR)
[3]
88 dB 86 dB 71 dB
Signal-to-noise and distortion
ratio (SINAD)
[3]
80 dB 78 dB 72 dB
Total harmonic distortion (THD)
[3]
–90 dB –84 dB –76 dB
Signal-to-noise ratio (SNR)
[3]
80 dB 78 dB 72 dB
Effective number of bits
(ENOB)
[3]
13 12.6 11.6
Analog Output Measurement
[1]
Model Number U2355A | U2356A U2331A
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 ±4 mV ±1.5 mV ±3mV
Gain Error ±4 mV ±5 mV ±4 mV ±5 mV
Slew rate 19 V/µs 19 V/µs
Rise time 0.9 µs 0.9 µs
Fall time 0.9 µs 0.9 µs
Settling time to 1% output error 4 µs 4 µs
Driving capability 5 mA 5 mA
Glitch energy 5 ns-V (Typical),
80 ns-V (Maximum)
5 ns-V (Typical),
80 ns-V (Maximum)