Omega Engineering OME-A8111 Specifications, Power Consumption, Analog Inputs, 3 A/D Converter

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1.3 Specifications

1.3.1Power Consumption

z+5V @ 300 mA maximum

z+12V @ 60 mA maximum

z-12V @ 30 mA maximum

zOperating temperature: 0°C ~ 50°C

1.3.2Analog Inputs

zChannels: 8 single-ended

zInput range: (software programmable)

Bipolar: ±5 V, ±2.5 V, ±1.25 V, ±0.625 V, ±0.3125 V

zInput current: 250 nA max (125 nA typical) at 25°C

zOn-chip sample and hold

zOver voltage: continuous single channel to 70Vp-p

1.3.3A/D Converter

zType: successive approximation, Burr Brown ADS 774

zConversion time: 8 µ sec.

zAccuracy: ± 1 bit

zResolution: 12-bit

OME-A-8111 Hardware Manual (ver.1.1, Jul/2003)

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Contents User’sGuide Czech Republic CanadaMexico BeneluxOME-A-8111 Table of Contents Calibration General Description Features3 A/D Converter SpecificationsPower Consumption Analog InputsDigital I/O DA ConverterInterrupt Channel Product Check List Programmable Timer/CounterApplications Board Layout Hardware ConfigurationDefault base address is I/O Base Address Setting1 JP1 D/A Internal Reference Voltage Selection Jumper SettingAddress Read Write I/O Register Address2 A/D Input Buffer Register 8254 Counter4 D/I Input Buffer Register 3 D/A Output Latch Register6 A/D Gain Control Register Clear Interrupt Request7 A/D Multiplex Control Register SI2 SI1 SI0 8 A/D Mode Control Register9 A/D Software Trigger Control Register 10 D/O Output Latch Register CN3 Digital I/OCounter 8254 Timer/CounterSec A/D Conversion2 A/D Conversion Trigger Modes If switching from one channel to the next secPacer Trigger Mode 1 A/D conversion flow3 A/D Transfer Modes Using software trigger and polling transferD/A Conversion Signal Shielding Analog Input Signal ConnectionCN1 Analog input/Analog output/Connect Pin Assignment Pin AssignmentCN3 Analog input/Analog output/Connect Pin Assignment CN2 Analog input/Analog output/Connect Pin AssignmentOME-DB-16R Daughter BoardOME-CA-4002 OME-DB-16PCalibration VR Description CalibrationD/A Calibration Steps DI/O TestingA/D Calibration Steps WARRANTY/DISCLAIMER Temperature