Measurement-computing CIO-DAS160x/1x Manual de usuario descargar pdf (Pagina 38)

9 SPECIFICATIONS

9.1 CIO-DAS1601/12 & CIO-DAS1602/12

Power consumption

+5 1.4 A typical, 2.1 A max

Analog input

section

A/D converter type ADS7800 successive approximation

Resolution 12 bits

Programmable ranges

CIO-DAS1601/12 ±10V, ±1V, ±0.1V, ±0.01V, 0 to 10V, 0 to 1V, 0 to 0.1V,

0 to 0.01V

CIO-DAS1602/12 ±10V, ±5V, ±2.5V, ±1.25V, 0 to 10V, 0 to 5V, 0 to 2.5V,

0 to 1.25V

A/D pacing Programmable: external source (Din0, positive edge) or

internal counter (positive or negative edge, jumper-select

able) or software-polled

Burstmode 4 µs

Data transfer From 512 sample FIFO via interrupt, DMA, DT-Connect to

external memory board or software polled

Polarity Unipolar/Bipolar, switch selectable

Number of channels 8 differential or 16 single-ended, switch selectable

Interrupts 2 to 7

Interrupt enable Programmable

Interrupt sources End-of-conversion, terminal count (DMA)

DMA Channel 1 or 3

Trigger sources External hardware/software (DIn0)

A/D conversion time 3.3 µs

Throughput

DMA 160 kHz

DT-Connect (multi-channel) 250 kHz

DT-Connect (single-channel) 330 kHz

Differential Linearity error ±1 LSB

Integral Linearity error ±1 LSB

No missing codes guaranteed 12 bits

Gain drift ±60 ppm/°C

Zero drift ±160 ppm/°C

Input leakage current (@25 Deg C) 200 nA

Input impedance Min 10 Megohms

Absolute maximum input voltage ±35V

1 2 ... 33 34 35 36 37 38 39 40 41 42 43 44

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Measurement-computing CIO-DAS160x/1x Manual de usuario Pagina 38