Omega OME-A822PG manual Specifications, Power Consumption, Analog Inputs, 3 A/D Converter

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1.3 Specifications

1.3.1Power Consumption :

z+5V @960 mA maximum, OME-A-822PGL/PGH

zOperating temperature : -20°C to 60°C

1.3.2Analog Inputs

zChannels : 16 single-ended or 8 differential

zInput range : (software programmable)

OME-A-822PGL:bipolar		: ±10V,±5V, ±2.5V, ±1.25V, ±0.0625V
unipolar	: 0 to	10V,	0 to 5V,	0 to 0.2.5V, 0 to 1.25.V
OME-A-822PGH:bipolar		: ±10,±5V,±1V, ±0.5V, ±0.1V, ±0.05V, ±0.01V, ± 0.005V
unipolar	: 0 to	10V,	0 to 1V,	0 to 0.1V, 0 to 0.01V

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

	z On chip sample and hold
			Caution: refer to
	z	Over voltage : continuous single channel to 70Vp-p
			Sec. 2.9 first
	z	Input impedance : 10 10 Ω // 6pF

1.3.3A/D Converter

zType : successive approximation , Burr Brown ADS 774 or SIPEX-SP774B ( equivalent)

zConversion time : 8 microsec.

zAccuracy : +/- 1 bit

zResolution : 12 bits

OME-A-822PGL/PGH Hardware Manual ---- 5

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Contents User’sGuide Czech Republic CanadaMexico BeneluxOME-A-822PGH/PGL Introduction Tables of ContentsConnector General Description Features3 A/D Converter SpecificationsPower Consumption Analog InputsDigital I/O DA ConverterInterrupt Channel Direct Memory Access Channel DMA Programmable Timer/CounterProduct Check List ApplicationsBoard Layout Hardware ConfigurationDefault base address is I/O Base Address Setting1 JP1 D/A Internal Reference Voltage Selection Jumper Settings3 JP3 Single-ended/Differential Selection 2 JP2 D/A Int/Ext Ref Voltage Selection5 JP5 Interrupt Level Selection 4 JP4 A/D Trigger Source Selection6 JP6 User Timer/Counter Clock Input Selection DRQ JP7 Dack JP8 DMA 7 JP7 DMA Dack Selection JP8 DMA DRQ SelectionAddress Read Write I/O Register Address2 A/D Input Buffer Register 1 8254 CounterConversion is completed, the Ready bit will clear to zero 3 D/A Output Latch Register Clear Interrupt Request 4 D/I Input Buffer RegisterGAIN3 GAIN2 GAIN1 GAIN0 6 A/D Gain Control Register7 A/D Multiplex Control Register OME-A-822PGH Gain Control Code Table8 A/D Mode Control Register 9 A/D Software Trigger Control Register 10 D/O Output Latch Register CN2 Digital I/OCounter 8254 Timer/CounterA/D Conversion Polling, interrupt and DMA 1 A/D conversion flow3 A/D Transfer Modes 2 A/D Conversion Trigger ModesDelay the settling time refer to Sec .4.6 and Sec Using software trigger and polling transferRefer to Sec D/A Conversion Analog Input Signal Connection OME-A-822PGL/PGH Hardware Manual OME-A-822PGL/PGH Hardware Manual Use a single connection to frame ground not A.GND or D.GND Signal ShieldingUsing OME-DB-8225 CJC Output CN1 Digital Input Pin Assignment CN1/CN2/CN3 Pin AssignmentCN2 Digital Output Pin Assignment SINGLE-ENDED Signal Mode Differential Signals OME-DB-16P Daughter BoardOME-DB-8225 OME-DB-37Description of Variable Resistors CalibrationD/A Calibration A/D Calibration Introduction Diagnostic UtilityOME-A-822PGL/PGH Hardware Manual Running The Diagnostic Utility Base address selection screen SetupDMA no and IRQ no selection screen Calibration Function Test Test Test Screen Digital I/O Test Screen Multiplexer Test Screen Use IRQ Test Screen Use DMA Test Screen DA Gain Test Screen Timer 0 Test Screen Special Test Help WARRANTY/DISCLAIMER Temperature