MPL115A2

Sensors

2

Freescale Semiconductor

Pressure

Maximum Ratings

Voltage (with respect to GND unless otherwise noted)

Operating Temperature Range .................................................................................... -40°C to +105°C

Storage Temperature Range........................................................................................ -40°C to +125°C

Overpressure ............................................................................................................... 1000 kPa

Operating Characteristics

Ref

Parameters

Symbol

Conditions

Min

Typ

Max

Units

1

Operating Supply Voltage

2.375

3.3

5.5

V

2

Supply Current

Shutdown (SHDN = GND)

—

—

1

μA

Standby

—

3.5

10

μA

Average – at one measurement per second

—

5

6

μA

Pressure Sensor

3

Range

50

—

115

kPa

4

Resolution

—0.15

—

kPa

5

Accuracy

-20ºC to 85ºC

—

±1

—

kPa

6

Power Supply Rejection

Typical operating circuit at DC

—

0.1

—

kPa/V

100 mV p-p 217 Hz square wave plus 100 mV

pseudo random noise with 10 MHz bandwidth.

—0.1

—

kPa

7

Conversion Time

(Start Pressure Convert)

tcp

Time between start convert command and data

available in the Pressure register

—0.6

0.7

ms

Temperature Sensor

8

Range

-40

—

105

ºC

9

Conversion Time

(Start Temperature Convert)

tct

Time between start convert command and data

available in the Temperature register

—0.6

0.7

ms

10

Conversion Time

(Start Both Convert)

tcb

Time between start convert command and data

available in the Pressure and Temperature

registers

—0.8

1

ms

11

Resolution

Temperature ADC is 472 counts at 25ºC

—

-5.35

—

counts/ºC

12

SCL Clock Frequency

—

—

400

KHz

13

Low Level Input Voltage

VIL

—

—

0.3VDD

V

14

High Level Input Voltage

VIH

0.7VDD

——

V

15

Data Setup Time

Setup time from command receipt to ready to

transmit

100

—

—

ns

MPL115A2 uses 7-bit addressing, does not acknowledge the general call address 0000000. Slave address has been set to 0x60 or 1100000.