Specifications, Analog output, Chapter 4 – Measurement Computing USB-3101FS User Manual
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14
Chapter 4
Specifications
All specifications are subject to change without notice.
Typical for the range
–40 to 70 °C unless otherwise noted.
All voltages are relative to COM unless otherwise noted.
Analog output
Table 1. Analog output specifications
Parameter
Conditions
Specification
Number of channels
4
D/A converter resolution
16-bit
D/A converter type
String
Output range
±10 V
Operating voltage
±10.7 V, nominal
±10.3 V, minimum
±11 V, maximum
Current drive
±1 mA per channel, maximum
Output impedance
0.1 Ω
Stability
Offset drift
±80 µV/ºC
Gain drift
6 ppm/ ºC
Protection
Overvoltage
±30 V
Short-circuit
Indefinitely
Update time
One channel
3 µs
Two channels
5 µs
Three channels
7.5 µs
Four channels
9.5 µs
Update rate
100 kS/s per channel, maximum
Noise
260 µV
rms
Slew rate
4 V/µs
Crosstalk
76 dB
Settling time
100 pF load, to 1 LSB
FS step:
20 µs
3 V step:
10 µs
0.1 V step:
8 µs
Glitch energy
256 steps, worst case
2 mV for 2 µs
Capacitive drive
1,500 pF, minimum
Monotonicity
16-bits
Differential non-linearity
–1 to 2 LSBs, maximum
Integral non-linearity (endpoint)
16 LSBs, maximum