Measurement-computing USB-1608HS-2AO Manual de usuario descargar pdf (Pagina 26)

USB-1608HS-2AO User's Guide Specifications

Analog output

Table 5. Analog output specifications

Parameter

Conditions

Specifications

Number of channels

Two independent

Resolution

16 bits

Output range

±10 V

Throughput

Single channel

70 kS/s

Two channel

35 kS/s

Pacer source

Onboard D/A clock

Monotonicity

16 bits

Glitch energy

200 nV/s

Current output (Note 3)

±10 mA maximum single channel

±20 mA maximum two channels

Output short-circuit protection

Output connect to GND

100 mS maximum

Output coupling

Power up and reset state

DACs clear to midscale, (0 V, ±20 mV).

Remote sense is disabled.

Remote sense configuration

Enabled or disabled through software

control.

Remote sense compliance voltage

(Note 4)

±10.75 V maximum

Remote sense compensation range

(Note 5)

0 to 75 Ω maximum

Output noise

100 nV/Hz

Settling time (to 0.003%)

20 V output step, (R

=5 kΩ,

=200 pf)

5 µS maximum

Slew rate

10 V/µs

Absolute accuracy

±0.25% of FSR maximum

Offset error drift

±4 ppm/°C

Gain error drift

±10 ppm/°C

Note 3: The maximum load that the analog output can drive is calculated by dividing the full-scale output

voltage by the current output specification or (10 V/10 mA) = 1000 Ω. This calculation is valid

whether the Remote Sense feature is enabled or disabled.

Note 4: The USB-1608HS-2AO Remote Sense feature can compensate for any series resistance up to

75 Ω between its force terminal pins and its output load.

Note 5: R

load

should not exceed the specified 1000 Ω, and the R

series

should not exceed its specified limit

of 75 Ω.

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