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NRF52810-QFAA-R Datasheet(PDF) 370 Page - Nordic Semiconductor |
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NRF52810-QFAA-R Datasheet(HTML) 370 Page - Nordic Semiconductor |
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370 / 483 page  Peripherals 6.17.11.43 RESULT.AMOUNT Address offset: 0x634 Number of buffer words transferred since last START Bit number 31 30 29 28 27 26 25 24 23 22 21 20 19 18 17 16 15 14 13 12 11 10 9 8 7 6 5 4 3 2 1 0 Id A A A A A A A A A A A A A A A Reset 0x00000000 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 Id RW Field Value Id Value Description A R AMOUNT Number of buffer words transferred since last START. This register can be read after an END or STOPPED event. 6.17.12 Electrical specification 6.17.12.1 SAADC Electrical Specification Symbol Description Min. Typ. Max. Units DNL10 Differential non-linearity, 10-bit resolution -0.95 <1 LSB10b INL10 Integral non-linearity, 10-bit resolution 1 LSB10b VOS Differential offset error (calibrated), 10-bit resolution a +-2 LSB10b DNL12 Differential non-linearity, 12-bit resolution -0.95 1.3 LSB12b INL12 Integral non-linearity, 12-bit resolution 4.7 LSB12b CEG Gain error temperature coefficient 0.02 %/◦C fSAMPLE Maximum sampling rate 200 kHz tACQ,10k Acquisition time (configurable), source Resistance <= 10kOhm 3 µs tACQ,40k Acquisition time (configurable), source Resistance <= 40kOhm 5 µs tACQ,100k Acquisition time (configurable), source Resistance <= 100kOhm 10 µs tACQ,200k Acquisition time (configurable), source Resistance <= 200kOhm 15 µs tACQ,400k Acquisition time (configurable), source Resistance <= 400kOhm 20 µs tACQ,800k Acquisition time (configurable), source Resistance <= 800kOhm 40 µs tCONV Conversion time <2 µs EG1/6 Errorb for Gain = 1/6 -3 3 % EG1/4 Errorb for Gain = 1/4 -3 3 % EG1/2 Errorb for Gain = 1/2 -3 4 % EG1 Errorb for Gain = 1 -3 4 % CSAMPLE Sample and hold capacitance at maximum gain22 2.5 pF RINPUT Input resistance >1 MΩ ENOB Effective number of bits, differential mode, 12-bit resolution, 1/1 gain, 3 µs acquisition time, crystal HFCLK, 200 ksps 9 Bit a Digital output code at zero volt differential input. b Does not include temperature drift 22 Maximum gain corresponds to highest capacitance. 4430_161 v1.0 370 |
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