Measurement-computing PCM-DAS16D/12 Manual do Utilizador descarregar pdf (Página 30)

9 SPECIFICATIONS

Typical for 25

C unless otherwise specified.

POWER CONSUMPTION

+5V quiescent 65 mA typical, 90 mA max

+5V during CIS read 75 mA typical, 110 mA max

ANALOG INPUT SECTION

A/D convertor type ADS7804

Resolution 12 bits

Programmable ranges ±10V, ±5V, ±2.5V, ±1.25V, 0-10V,

0-5V, 0-2.5V, 0-1.25V

A/D pacing Programmable: internal counter

or external source (Ext Trig/Clk)

or software polled

A/D Trigger sources External polled gate trigger (Ext

Trig/Clk)

A/D Triggering Modes:

Digital: Gated pacer, software polled.

(Gate must be disabled by soft-

ware after trigger event.)

Data transfer From 512 sample FIFO via

REPINSW, interrupt or software

polled

Polarity Bipolar, Unipolar

Number of channels:

PCM-DAS16D/12 8 Differential

PCM-DAS16S/12 16 Single ended

A/D conversion time 10 µs

1 2 ... 25 26 27 28 29 30 31 32 33 34 35 36

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Measurement-computing PCM-DAS16D/12 Manual do Utilizador Página 30