ND Series

Industrial Middle Pressure Sensors

www.SuperiorSensors.com

2

Table of Contents

1 Maximum Ratings................................................................ 2

2 Suggested Operating Conditions ......................................... 2

3 Environmental ..................................................................... 2

4 Equivalent Circuit................................................................. 2

5 Feature List.......................................................................... 3

6 Performance Characteristics ............................................... 4

7 Electrical Characteristics...................................................... 4

7.1 Supply Characteristics................................................. 4

7.2 Reset Characteristics .................................................. 5

7.3 DAV Characteristics .................................................... 5

7.4 I2C Characteristics....................................................... 5

7.5 SPI Characteristics ...................................................... 6

8 Materials.............................................................................. 6

8.1 Wetted Materials........................................................ 6

8.2 Material Compliance .................................................. 6

9 System Overview................................................................. 7

10 Interface .............................................................................. 8

10.1 Reset........................................................................... 8

10.2 Communication Interface Selection ........................... 8

10.3 SPI Interface................................................................ 8

10.4 I2C Interface ................................................................ 9

10.4.1 I2C Address....................................................... 9

10.4.2 I2C Communications Model ............................. 9

10.4.3 I2C Clock Stretching........................................ 10

10.4.4 I2C Bus Compatibility...................................... 10

10.5 Extended Data Acquisition ....................................... 10

10.5.1 Available Extended Data................................ 10

10.5.2 SPI Extended Data Read................................. 10

10.5.3 I2C Extended Data Read ................................. 10

10.6 Control Registers ...................................................... 11

10.6.1 Mode Control Register................................... 11

10.6.2 Rate Control Register..................................... 12

10.7 Computing Pressure ................................................. 12

11 Mechanical and Manufacturing......................................... 13

11.1 Package Dimensions ................................................. 13

11.2 Suggested Pad Layout............................................... 13

11.3 Pinout ....................................................................... 14

11.4 Reflow Soldering and Handling Conditions ..............14

11.5 Pick and Place Pick-up Zone ..................................... 14

11.6 Packaging Options .................................................... 15

11.6.1 Tray Packaging ............................................... 15

11.6.2 Tape and Reel ................................................ 16

11.7 Part Identification..................................................... 16

12 Packaging Labeling............................................................. 17

13 Ordering Information ........................................................ 17

14 Revisions............................................................................ 18

15 Warranty............................................................................ 18

1 Maximum Ratings

Parameter

Sym

Min

Max

Units

Supply Voltage

VDDM

Gnd-0.3

4.0

V

Voltage on I/O Pins

VDD > 3.3V

VDD ≤ 3.3V

VIOML

VIOMH

Gnd-0.3

Gnd-0.3

5.8

VDD+2.5

V

V

I/O Current

IIOM

-25

25

mA

2 Suggested Operating Conditions

Parameter

Sym

Min

Max

Units

Supply Voltage

VDDOP

2.8

3.5

V

Temperature

TA

-20

85

°C

3 Environmental

Parameter

Sym

Min

Max

Units

Temperature Range

Compensated

Operating

Storage

TCMP

TOP

TSTG

-20

-20

-40

85

85

85

°C

°C

°C

Humidity

(Non-condensing)

RHOP

0

95

% RH

Vibration

(10Hz-2kHz)

GVIBE

-

15

g

Shock (6 ms)

GSHOCK

-

100

g

Life

CYLIFE

10M

-

Pressure

Cycles

4 Equivalent Circuit

DAV

nRST

SCK

nSS

VDD

Gnd

DAV

nRST

SCK

nSS

VDD

Gnd

Port B

Port A

PLOW

PHIGH

MISO/SDA

MOSI/SCL

MISO/SDA

MOSI/SCL

PLOW

PHIGH

Sensor

(SPI)

Port B

Port A

Sensor

(I2C)

VI2CAddress