Hope RF
HP01-TQ
Version: 2.1
BAROMETER MODULE
2010-6-3
PRELIMINARY
Pin Name
VSS
Pin Number
Type
Function
power ground
power VCC
1
2
3
4
5
G
P
I
VDD
MCLK
XCLR*
SDA
master clock(32k) input
ADC reset inpu
I
I/O
. I²C data input and output
I2C clock input
SCL
6
I
* 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.
Absolute Maximum Ratings
Parameter
Supply Voltage
Over pressure
Symbol
VDD
P
Min
-0.3
Max
4.0
5
Unit
V
Bar(abs)
C
Storage Temperature
Tstg
-40
125
Recommended Operating Conditions
Parameter
Symbol Conditions
Min
Typ
3
Max
Unit
V
Supply Voltage
Supply Current
VDD
2.2
3.6
I
VDD=3V
V
During conversion
500
1
Stand by
Operating Pressure Range
P
900
-40
1100
Hpa (abs)
C
ms
Operating Temperature Range
Conversion Time
T
T
25
85
35
MCLK=32k
Duty Cycle of MCLK
Serial Date Rate
40%
50%
60%
100
%
SCL
KHZ
Pressure and Temperature Output Characteristics
HP01 system is able to reach the following characteristics:
Parameter
Resolution
Accuracy
Symbol Conditions
900-1100
Min
0.1
-8
Typ
27
Max
+10
30
Unit
hpa
hpa
Pressure Sensitivity
SNS
900-1100
25
Cnts/mbar
Maximum Error Over Temperature
Long Term Stability
0~+55
12 month
2.0~5.0
-5.0
5.0
hpa
hpa
hpa
1
0
VDD Dependency
-1.5
1.5
∆D1∆D2
Temperature coefficient of sensitivity
TCS
-0.45
-0.55
-0.6
2
HOPERF [ HOPERF ]
