Measurement-computing USB-3101FS Manuel d'utilisateur télécharger pdf (Page 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

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

1 2 ... 9 10 11 12 13 14 15 16 17 18

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