Omega Engineering PCI-DAS1200 manual Electrical Specifications, Analog Input Section

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8.0 Electrical Specifications

(Typical specifications for 25 Deg C unless otherwise specified.)

ANALOG INPUT SECTION

 

Resolution

12 bits

Programmable ranges

±10 V, ±5 V, ±2.5 V, ±1.25 V, 0 to 10 V, 0 - 5 V, 0 to 2.5 V, 0 to

 

1.25V

A/D pacing

Programmable: internal counter or external source (A/D External

 

Pacer) or software polled

Burstmode

Software selectable option, rate = 3 µs

A/D Trigger sources

External digital (A/D External Trigger)

A/D Triggering Modes

 

Digital:

Software enabled, rising edge, hardware trigger

Pre-trigger:

Unlimited pre- and post-trigger samples. Total # of samples must

 

be > 512.

Data transfer

From 1024 sample FIFO via REPINSW, interrupt or software

 

polled

Polarity

Unipolar/Bipolar, software selectable

Number of channels

8 differential or 16 single-ended, software selectable

A/D conversion time

3 µs

Throughput

330 kHz min

Relative Accuracy

±1.5 LSB

Differential Linearity error

±0.75 LSB

Integral Linearity error

±0.5 LSB typ, ±1.5 LSB max

Gain Error (relative to calibration reference) ± 0.02% of reading max

No missing codes guaranteed

12 bits

Gain drift (A/D specs)

±6 ppm/°C

Zero drift (A/D specs)

±1 ppm/°C

Common Mode Range

±10 V

CMRR @ 60 Hz

70 dB

Input leakage current

200 nA

Input impedance

10 megohms min

Absolute maximum input voltage

±35 V

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Contents Users Guide Table of Contents Table of Contents ORFN3&,$LDJUDP6 %ORFN$LDJUDP6-5 Windows 95, 98 & NT InstallationUsing InstaCal DOS AND/OR Windows Testing the Installation Hardware Connections Connector PIN DiagramAnalog Connections Differential Input Which system do you have? System Grounds and IsolationSystems with Common Grounds Systems with Common Mode ground offset VoltagesSmall Common Mode Voltages Wiring ConfigurationsLarge Common Mode Voltages PCI-DAS1200 and signal source already have isolated groundsCommon Ground / Single-Ended Inputs  Common Mode Voltage +/-10V Common Mode Voltage +/-10V / Single-Ended InputsBoard Programming Languages Programming & ApplicationsSelf-Calibration of the PCI-DAS1200 Alo g O u t BADR1 BADR0Interrupt / ADC Fifo Register Region Function OperationsEoaie InteEoacl IntclADC Channel MUX and Control Register EOC Input Range Input Gain Measurement ResolutionTrigger CONTROL/STATUS Register Pacer SourceTgen TS10ARM Fifo Mode Sample CTRC0SRC XtrigDAC Channel Cal Function Calibration RegisterCal Source Calen Dacen ModeSDI DACnR10ADC Data Register BADR2BADR2 + ADC Fifo Clear RegisterADC Pacer Clock Data and Control Registers BADR38254A Counter 0 Data ADC Post Trigger Conversion Counter BADR3 +Base + 8254A Counter 2 Data ADC Pacer Divider UpperADC 8254 Control Register Digital I/O Data and Control RegistersDIO Port C Data DIO Port B DataDIO Control Register Counter DATA-ADC Index and User Counter Data and Control Registers 8254BPRE-TRIGGER Index Counter Or User8254B Counter 2 Data User Counter #6 8254B Counter 1 Data User Counter #5BADR3 + Ah 8254B Control Register1 DAC0 Data Register BADR42 DAC1 Data Register Analog Input Section Electrical SpecificationsParallel Digital Input / Output Analog Output82C54A Counter SectionPower consumption Other SpecificationsEnvironmental For Your Notes EC Declaration of Conformity