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AS7000 Fiches technique(PDF) 54 Page - ams AG

No de pièce AS7000
Description  The AS7000 device provides a flexible analog front end for light sensing applications
PDF  92 Pages
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Fabricant  AMSCO [ams AG]
Site Internet  http://www.ams.com
Logo AMSCO - ams AG

AS7000 Fiches technique(HTML) 54 Page - ams AG

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Page 54
ams Datasheet
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[v1-12] 2018-Feb-26
AS7000 − Detailed Description
ADC
The ADC is a 14bit successive-approximation register (SAR)
type. It supports 12 bit with very fast conversion time up to
1Msps and 14bit with moderate conversion time up to 250ksps.
The ADC is started by the sequencer and its timing or in manual
mode (man_mode=1) by setting seq_start=1 (seq_start stays
‘1’ as long as the conversion runs). The AS7000 can be
configured to trigger an interrupt upon end of conversion.
Figure 66:
ADC Internal Circuit and Multiplexer
For best accuracy the ADC needs to recalibrate itself – use ams
SDK to initiate the calibration procedure.
CPU
LDO
VDD
POR
GPIO8
GPIO7
S
R
Q
V_LDO
gpio7_wakeup_en



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