HP02S Datasheet, PDF (2/6 Pages) List of Unclassifed Manufacturers – One hardware controlled reset line

Hope RF
2011-6-8
BAROMETER MODULE
HP02S
Version: 1.4
Pin Name
VSS
VDD
MCLK
XCLR
SDA
SCL
Pin Number
1
2
3
4
5
6
Type
G
P
I
I
I/O
I
Function
power ground
power VCC
master clock(32k) input
ADC reset input (keep low when system is in idle state)
. I²C data input and output
I²C clock input
* XCLR is to reset the AD converter (active low). XCLR should be set to high only during AD conversion
phase(reading T1,D1). While at all other states, such as reading calibration factors, this pin should be
kept low.
Absolute Maximum Ratings
Parameter
Supply Voltage
Over pressure
Symbol
Min
Max
VDD
-0.3
5
P
5
Storage Temperature
Tstg
-40
125
Recommended Operating Conditions
Parameter
Symbol Conditions Min
Typ
Supply Voltage
VDD
2.0
3
Supply Current
I
VDD=3V 0.0001
0.5
During Conversion
0.01
0.5
stand by
I
VDD=3V
---
0.1
Operating Pressure Range
P
300
Operating Temperature Range T
0
Conversion Time
T
MCLK=32k
Duty Cycle of MCLK
40%
Serial Date Rate
SCL
25
50%
Unit
V
Bar(abs)
°C
Max
5.0
2
2
3
1100
50
35
60%
500
Unit
V
mA
mA
μΑ
hpa (abs)
°C
ms
%
KHZ
Pressure and Temperature Output Characteristics
With the calibration data provided by the HP02S system, it should be able to reach the
following characteristics:
Parameter
Symbol Conditions Min
Typ
Resolution
Absolute Pressure
Accuracy
Absolute Pressure
Accuracy
0.1
900-1100
@
-5.0
10℃-30℃
900-1100
@
0℃-10℃
-8.0
30℃-50℃
Long Term Stability
12 month
2
VDD Dependency
2.0~5.0
-1.5
0
2
Max
Unit
hpa
+5.0
hpa
+8.0
hpa
hpa
1.5
hpa