AK8999AD Datasheet, PDF (20/68 Pages) Asahi Kasei Microsystems – Pressure Sensor Control IC

CONFIDENTIAL
[AK8999A/AW/AD]
7.2.4) Offset Voltage Adjustment Circuit
VDD = 3, 3.3, 5V ± 10%, Ta = -40 to 105ºC, register default, unless otherwise note
Parameter
Symbol
Conditions
Min.
Typ.
Max. Units Description
Measurement in test mode
Unadjusted output Vo01 VDD = 3, 3.3, 5V ± 10% 0.5*VDD 0.5*VDD 0.5*VDD V
voltage
-0.15
+0.15
Offset coarse adj.
DAC adj. range
Ocr5+
EOCR[3] = 0h
EOCR[2:0] = 7h
VDD = 5V ± 10%
+11200
mV
Ocr5-
EOCR[3] = 1h
EOCR[2:0] = 7h
VDD = 5V ± 10%
-11200
mV
Ocr3+ EOCR[3] = 0h
EOCR[2:0] = 7h
VDD = 3, 3.3 ± 10%
+5600
mV
Ocr3-
Adj. step Ocr5stp
EOCR[3] = 1h
EOCR[2:0] = 7h
VDD = 3, 3.3 ± 10%
VDD = 5V ± 10%
-5600
mV
1600
mV
Ocr3stp VDD = 3, 3.3 ± 10%
800
mV
Offset fine adj.
DAC adj. range
Ocf5+ EOCF[7] = 0h
EOCF[6:0] = 3Fh
VDD = 5V ± 10%
+1016
mV
Ocf5-
EOCF[7] = 1h
EOCF[6:0] = 3Fh
VDD = 5V ± 10%
-1016
mV
Ocf3+ EOCF[7] = 0h
EOCF[6:0] = 3Fh
VDD = 3, 3.3 ± 10%
+508
mV
Ocf3-
EOCF[7] = 1h
EOCF[6:0] = 3Fh
VDD = 3, 3.3 ± 10%
-508
mV
Adj. step Ocf5stp VDD = 5V ± 10%
8
mV
Ocf3stp VDD = 3, 3.3 ± 10%
4
mV
Note) The case of ESCR[0] = 1h.
MS1600-E-00
- 20 -
2014/05