[2SMPB-02E] Datasheet Rev.05(Jun.,2017)

4

Copyright 2017 OMRON Corporation. All Rights Reserved.

1.5 Digital Interface Characteristics

Item

Symbol

Condition

MIN

TYP

MAX

Unit

Digital Input Low Voltage

Vil_d

-

-

Vio*0.2

V

Digital Input High Voltage

Vih_d

Vio*0.8

-

-

V

Digital Input Hysterisis Voltage

Vidhys

Vio*0.1

-

-

V

Digital Output Low Voltage(I²C)

Vol_d1

Io=3mA (SDI) *1)

0

-

Vio*0.2

V

Digital Output Low Voltage(SPI)

Vol_d2

Io=1mA (SDI,SDO)

*1)

0

-

Vio*0.2

V

Digital Output High Voltage1 (SPI)

(Vio>=1.62V)

Voh_d1

Io=1mA (SDI,SDO)

*1)

Vio*0.8

-

-

V

Digital Output High Voltage2 (SPI)

(Vio>=1.2V)

Voh_d2

Io=1mA (SDI,SDO)

*1)

Vio*0.6

Leakage Current at Output OFF

Ioff

SDI,SDO

-10

-

10

uA

Internal Pullup Resistor

Rpullup

CSB

70

120

190

kohm

I²C Load Capacitance

Cb

SDI,SCK

-

-

400

pF

Load Capacitance of

Reset Terminal

Crst

-

-

20

pF

Pulse Width of

Asynchronous Reset

Trst

100

-

-

μsec

Power On Startup Time

Tstart

-

-

10

msec

Note. *1)

“Io” is the load current of the output terminal.

*2) Undescribed items are compliant with the I²C specification.

About detailed I²C bus information, please refer to the I²C bus specification and user manual

presented by NXP.

1.6 Characteristics by Oversampling setting (Force mode)

Oversampling setting

Pressure

oversampling

Temperature

oversampling

Measurement

time Typ.

ODR

@standby 1ms

Typ.

Average

Current Typ.

@1sample/sec

force-mode

rms Noise

Typ.

unit

-

-

msec

Hz

uA

Pa

High speed

2

1

5.5

153

4.1

5.2

Low power

4

1

7.2

121

5.2

3.7

Standard

8

1

10.6

86

7.3

2.6

High accuracy

16

2

18.3

51

12.0

1.8

Ultra High accuracy

32

4

33.7

28

21.4

1.3

（

At Ta=25 degC, VDD=1.8V, CPU Clock Frequency=300kHz, unless otherwise noted）

Note. *1) These characteristics are guaranteed by design.

*2) ODR is defined as Output data rate at standby time 1msec.

1.7 rms Noise by IIR Filter Selection

Oversampling setting

Typical rms Noise in Pressure [Pa]

IIR filter coefficient

off

2

4

8

16

32

High speed

5.2

2.5

1.6

1.1

0.8

0.5

Low power

3.7

1.8

1.1

0.8

0.5

0.4

Standard

2.6

1.3

0.8

0.5

0.4

0.3

High accuracy

1.8

0.9

0.6

0.4

0.3

0.3

Ultra High accuracy

1.3

0.6

0.4

0.3

0.3

0.2

（

At Ta=25 degC, VDD=1.8V, unless otherwise noted）

Note. *1) IIR : Infinite Impulse Response.

*2) These characteristics are guaranteed by design.

*3) Initial setting of the IIR filter coefficient is

“off”.