aduc7030 Analog Devices, Inc., aduc7030 Datasheet - Page 56
aduc7030
Manufacturer Part Number
aduc7030
Description
Integrated Precision Battery Sensor For Automotive
Manufacturer
Analog Devices, Inc.
Datasheet
1.ADUC7030.pdf
(150 pages)
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ADuC7030/ADuC7033
Bit
Description
1, 0, 1
1, 1, 0
1, 1, 1
ADCxOF MMR of the respective ADC. The ADC returns to IDLE Mode and the Calibration and Conversion Ready status bits
are set at the end of an offset calibration cycle.
ADC Self Gain Calibration
In this mode, a gain calibration against an internal reference voltage is performed on all enabled ADCs. A gain
calibration is a 2-stage process and takes twice the time of an offset calibration. The calibration result is automatically
written to the ADCxGN MMR of the respective ADC. The ADC returns to IDLE Mode and the Calibration and
Conversion Ready status bits are set at the end of a gain calibration cycle. An ADC self-gain calibration should only be
carried out on the Current Channel ADC while pre-programmed, factory calibration coefficients (downloaded
automatically from internal Flash/EE) should be used for voltage temperature measurements. If an external NTC is used, an
ADC Self Calibration should be done on the temperature channel.
ADC System Zero-Scale Calibration
In this mode, a zero-scale calibration is performed on enabled ADC channels against an external zero-scale
voltage driven at the ADC input pins. The calibration is carried out at the user programmed ADC settings, therefore, as
with a normal single ADC conversion, it will take 3 ADC conversion cycles before a fully settled calibration result is ready.
ADC System Full-Scale Calibration
In this mode, a full-scale calibration is performed on enabled ADC channels against an external full-scale voltage driven
at the ADC input pins.
Rev. PrE | Page 56 of 150
Preliminary Technical Data
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