Hope RF

HP02S

BAROMETER MODULE

2011-6-8

Version: 1.4

2

Pin Name

Pin Number

Type

Function

VSS

1

G

power ground

VDD

2

P

power VCC

MCLK

3

I

master clock(32k) input

XCLR

4

I

ADC reset input (keep low when system is in idle state)

SDA

5

I/O

. I²C data input and output

SCL

6

I

I

2

C 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

Symbol

Min

Max

Unit

Supply Voltage

VDD

-0.3

5

V

Over pressure

P

5

Bar(abs)

Storage Temperature

Tstg

-40

125

° C

Recommended Operating Conditions

Parameter

Symbol

Conditions

Min

Typ

Max

Unit

Supply Voltage

VDD

2.0

3

5.0

V

Supply Current

I

VDD=3V

0.0001

0.5

2

mA

During Conversion

0.01

0.5

2

mA

stand by

I

VDD=3V

- - -

0.1

3

μΑ

Operating Pressure Range

P

300

1100

hpa (abs)

Operating Temperature Range

T

0

25

50

° C

Conversion Time

T

MCLK=32k

35

ms

Duty Cycle of MCLK

40%

50%

60%

%

Serial Date Rate

SCL

500

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

Max

Unit

Resolution

0.1

hpa

Absolute Pressure

Accuracy

900-1100

@

10℃-30℃

-5.0

+5.0

hpa

Absolute Pressure

Accuracy

900-1100

@

0℃-10℃

30℃-50℃

-8.0

+8.0

hpa

Long Term Stability

12 month

2

hpa

VDD Dependency

2.0~5.0

-1.5

0

1.5

hpa