AK8999A Datasheet, PDF (24/68 Pages) Asahi Kasei Microsystems – Pressure Sensor Control IC

CONFIDENTIAL
13. Operation Sequence
Settling time
for stable analog operation
0.83kHz: 70μsec (35), 8.33kHz: 70μsec (35)
CLK (1=500kHz) Approx. 500μsec
No.
00
status
Start Up
VDD
STV
S/H1&2
VOUT
DET1/2
Detection “H” set
Detection “L” set
0
35 0
30
01 02
20
PU0
STV
VDD & Sensor temp.
variation adj.
VOUT initial value output （VSS or VDD or 0.5*VDD)
Pressure measurement period
30
MSR
No detection “L” set
No detection “H” set
Idling period
0.83kHz: 1010μsec (505)
8.33kHz: 0μsec (0)
Settling time
for stable analog operation
0.83kHz: 70μsec (35), 8.33kHz: 70μsec (35)
Pressure measurement period
CLK (1=500kHz)
NO.
30
status
Idel
VDD
STV
S/H1&2
VOUT
DET1/2
Detection “H” set
Detection “L” set
0
30
11 12 20
PU1
STV
VDD & Sensor temp.
variation adj.
VOUT・(n-1)
Detection “H” ((n-1)th judge)
Detection “L” ((n-1)th judge)
30
MSR
MS1600-E-00
- 24 -
[AK8999A/AW/AD]
Idling period
0.83kHz: 1010μsec (505)
8.33kHz: 0μsec (0)
60 61
40
Idel
VOUT・(1)
Idling period
0.83kHz: 1010μsec (505)
8.33kHz: 0μsec (0)
60 61
40
Idel
VOUT ・(n)
2014/05