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MPL115A1

Miniature SPI Digital Barometer

Freescale Semiconductor 

2 Mechanical and Electrical Specifications

2.1 Maximum Ratings

Voltage (with respect to GND unless otherwise noted)

VDD ..................................................................................................................... -0.3 V to +5.5 V

SHDN, SCLK, CS, DIN, DOUT ......................................................................-0.3 V to VDD+0.3 V

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

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

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

2.2 Operating Characteristics

(VDD = 2.375 V to 5.5 V, TA = -40°C to +105°C, unless otherwise noted. Typical values are at VDD = 3.3 V, TA = +25°C.

Ref

Parameters

Symbol

Conditions

Min

Typ Max

1 Operating Supply Voltage

2 Supply Current

VDD

IDD Shutdown (SHDN = GND)

Standby

2.375

—

—

3.3

5.5

—

1

3.5

10

Average – at one measurement per second

—

5

—

Pressure Sensor

3 Range

50

—

115

4 Resolution

—

0.15

—

5 Accuracy

-20ºC to 85ºC

—

—

±1

6 Conversion Time

tc Time between start convert command and

—

1.6

3

(Start Pressure and Temperature

data available in the Pressure and

Conversion)

Temperature registers

7 Wakeup Time

tw Time between leaving Shutdown mode

—

(SHDN goes high) and communicating with

the device to issue a command or read data.

3

5

SPI Inputs: SCLK, CS, DIN

8 SCLK Clock Frequency

9 Low Level Input Voltage

10 High Level Input Voltage

SPI Outputs: DOUT

11 Low Level Output Voltage

fSCLK (1)

VIL

VIH

VOL1 At 3 mA sink current

—

—

0.7VDD

—

8

— 0.3VDD

—

—

0

—

0.4

VOL2 At 6 mA sink current

0

—

0.6

12 High Level Output Voltage

VOH1 At 3 mA source current

VDD – 0.4 V —

—

1.Nominal maximum SPI clock frequency.

Units

V

μA

μA

μA

kPa

kPa

kPa

ms

ms

MHz

V

V

V

V

Sensors

Freescale Semiconductor, Inc.

MPL115A1

3

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