AK8999AD Datasheet, PDF (16/68 Pages) Asahi Kasei Microsystems – Pressure Sensor Control IC

CONFIDENTIAL
[AK8999A/AW/AD]
6) Pressure Threshold Detector 1 & 2
VDD = 3, 3.3, 5V ± 10%, Ta = -40 to 105ºC, register default, unless otherwise noted
Parameter Symbol
Conditions
Min.
Typ.
Max. Units Description
Pressure
Vdete EINE1[0] = 0h
0.1*VDD
0.9*VDD V
detection
EINE2[0] = 1h
threshold
EPTH1[0] = 1h
External input
range
Pressure
Vdet EPT1, 2[4:0] = 00h
0.500 0.500 0.500 V
detection
*VDD *VDD *VDD
threshold
-0.05
+0.05
Internal set
value
Pressure
Vdet+ Max
0.900
V
detection
EPT1, 2[4:0] = 10h
*VDD
threshold
Vdet- Min
0.125
V
Internal set
EPT1, 2[4:0] = 0Fh
*VDD
value
Adjust. width
Adjust. step Vdstp
0.025
V
*VDD
Hysteresis
Vhys5+ Max
0.060 0.060 0.060 V
voltage
VDD = 5V ± 10%
*VDD *VDD *VDD
Adjust. width
EHYS1, 2[1:0] = 1h
-0.055
+0.055
Vhys5- Min
0.030 0.030 0.030 V
VDD = 5V ± 10%
*VDD *VDD *VDD
EHYS1, 2[1:0] = 2h
-0.03
+0.03
Vhys3+ Max
0.060 0.060 0.060 V
VDD = 3, 3.3V ± 10% *VDD *VDD *VDD
EHYS1, 2[1:0] = 1h
-0.035
+0.035
Vhys3- Min
0.030 0.030 0.030 V
VDD = 3, 3.3V ± 10% *VDD *VDD *VDD
EHYS1, 2[1:0] = 2h
-0.02
+0.02
Adjust. step Vhysst
0.010
V
*VDD
Pressure
Tdetr ESCF[1:0] = 0h
180 μsec Note1)
detection time
Pressure
Tdetf ESCF[1:0] = 0h
180 μsec Note1)
non-detection
time
Note1) Design reference value; no production test performed.
PTH
VOUT
DET1, 2
MS1600-E-00
0.5*VDD
Tdetr
- 16 -
Vhys
0.5*VDD
Tdetf
2014/05