TW3DEVAL 参数 Datasheet PDF下载

iC-TW3

SENSOR SIGNAL CONDITIONER WITH

TEMPERATURE COMPENSATION AND LINE DRIVER

Rev B1, Page 3/24

PACKAGES

PIN CONFIGURATION QFN32 5 mm x 5 mm

PIN FUNCTIONS

No. Name

Function

1

2

3

4

5

6

7

8

9

10

11

12

13

14

15

16

17

18

19

20

21

22

23

24

25

26

27

28

29

30

31

32

PINZ

NINZ

TESTEN

CLK

NZO

ZO

GNDB

VDDB

NBO

BO

GND

SCL

SDA

VDD

GNDA

n.c.

AO

NAO

VDDA

1W

NERR

NRST

NSTORE*

n.c.

NINA

PINA

KELVIN

GNDIN

VDDIN

PINB

NINB

VC

Signal Input Z+

Signal Input Z-

Test Mode Enable Input

External Clock Input

Signal Output Z-

Signal Output Z+

Driver Ground

+3...+5.5 V Driver Supply Voltage

Signal Output B-

Signal Output B+

Digital Ground

I2C Interface, clock line

I2C interface, data line

+3...+5.5 V Digital Supply Voltage

Driver Ground

not connected

Signal Output A+

Signal Output A-

+3...+5.5 V Driver Supply Voltage

1-Wire Interface, bidirectional port

Error Message Output, active low

External Reset Input, active low

Coefficient Store Input, active low

not connected

Signal Input A-

Signal Input A+

External Temperature Sensor Input

Input Ground

+3...+5.5 V Input Supply Voltage

Signal Input B+

Signal Input B-

1.21 V Reference Voltage Output,

Reference Voltage Input

Thermal Pad

32 31 30 29 28 27 26 25

1

2

3

4

5

6

7

8

24

23

22

TW3

code...

...

9

10

11 12 13 14 15 16

21

20

19

18

17

TP TP**

Notes:

*) Pin NSTORE should be wired to VDD.

**) The Thermal Pad of the QFN package (bottom side) is to be connected to a ground plane on the PCB which

must have GND potential.