AK8999AD Datasheet, PDF (21/68 Pages) Asahi Kasei Microsystems – Pressure Sensor Control IC

CONFIDENTIAL
[AK8999A/AW/AD]
7.2.5) Span 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 after offset voltage adjustment
Unadjusted
Vs01a VP-VN = 80mV
1910
2160
2410 mV
Span voltage
VDD = 5V
ESCR[0] = 1h
Vs01b VP-VN = 80mV
1590
1800
2010 mV
VDD = 5V
Vs02a VP-VN = 40mV
930
1080
1230 mV
VDD = 3, 3.3V
ESCR[0] = 1h
Vs02b VP-VN = 40mV
770
900
1030 mV
VDD = 3, 3.3V
Span adj. range Sc1+ ESC[7:0] = 00h
1.80
times
ESCR[0] = 1h
Sc1- ESC[7:0] = FFh
1.10
times
ESCR[0] = 1h
Sc2+ ESC[7:0] = 00h
3.00
times
ESCR[0] = 0h
Sc2- ESC[7:0] = FFh
1.56
times
ESCR[0] = 0h
Adj. Step Sc stp1 N = 0 - +255
(275-0.2*N)
times
ESCR[0] = 1h
/(153+0.2*N)
Sc stp2 N = 0 - +255
(275-0.2*N)
times
ESCR[0] = 0h
/(91+0.2*N)
7.2.6) Offset Temperature Drift & Sensitivity Temperature Drift Adjustment Circuit
7.2.6.1) Offset Temperature Drift 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 after offset voltage and span voltage adjustment
1^st order coeff. DO5+ EOTP,N[8] = 0h
+36.8
Adj. range
EOTP,N[7:0] = FFh
mV/C
VDD = 5V ± 10%
DO5- EOTP,N[8] = 1h
-36.8
EOTP,N [7:0] = FFh
mV/C
VDD = 5V ± 10%
DO3+ EOTP,N[8] = 0h
+18.4
EOTP,N[7:0] = FFh
mV/C
VDD = 3, 3.3 ± 10%
DO3- EOTP,N[8] = 1h
-18.4
EOTP,N[7:0] = FFh
mV/C
VDD = 3, 3.3 ± 10%
Adj. step DO5 stp VDD = 5V ± 10%
0.144
mV/C
DO3 stp VDD = 3, 3.3 ± 10%
0.072
mV/C
Note) Design reference value; no production test performed. The case of ESCR[0] = 1h.
MS1600-E-00
- 21 -
2014/05