Hope RF
HP01S
BAROMETER MODULE
2010-3-15
Pin Name
VSS
VDD
MCLK
XCLR*
SDA
SCL
Pin Number
1
2
3
4
5
6
PRELIMINARY
Type
G
P
I
I
I/O
I
Version: 1.3
Function
power ground
power VCC
master clock(32k) input
ADC reset input (not available on HP01S)*
. I² data input and output
C
I
C clock input
* XCLR is to reset the AD converter (active low). During the AD conversion phase, XCLR should stay
high. After AD conversion end, keep XCLR pin low before another AD conversion starts. For HP01, this
pin is not available - pull high internally.
Absolute Maximum Ratings
Parameter
Supply Voltage
Over pressure
Storage Temperature
Symbol
VDD
P
Tstg
Min
-0.3
-40
Max
4.0
5
125
Unit
V
Bar(abs)
C
Recommended Operating Conditions
Parameter
Supply Voltage
Supply Current
During conversion
Stand by
Operating Pressure Range
Operating Temperature Range
Conversion Time
Duty Cycle of MCLK
Serial Date Rate
P
T
T
SCL
MCLK=32k
40%
50%
900
-40
25
Symbol
VDD
I
Conditions
VDD=3V
500
1
1100
85
35
60%
100
Min
2.2
Typ
3
Max
3.6
Unit
V
V
Hpa (abs)
C
ms
%
KHZ
Pressure and Temperature Output Characteristics
HP01S system is able to reach the following characteristics:
Parameter
Resolution
Accuracy
Pressure Sensitivity
Maximum Error Over Temperature
Long Term Stability
VDD Dependency
Temperature coefficient of sensitivity
TCS
Symbol
Conditions
900-1100
SNS
900-1100
0~+55
12 month
2.0~5.0
Min
0.1
-8
25
-5.0
-1.5
-0.45
1
0
-0.55
Typ
Max
+10
27
30
5.0
1.5
-0.6
Unit
hpa
hpa
Cnts/mbar
hpa
hpa
hpa
∆D1∆D2
Pressure Measurement
2
HOPERF [ Hope Microelectronics co., Ltd ]
