Data Sheet

ADuCM330/ADuCM331

Rev. C | Page 15 of 16

RECOMMENDED SCHEMATIC

Figure 3 shows external components recommended for proper operation of the ADuCM330/ADuCM331.

*LIN 2.2 PHYSICAL TEST PASSED WITH 220pF CAPACITOR.

27

26

12

13

31

33

29

30

23

18

24

25

10µF

10nF

100nF

100nF

100nF

10nF

1nF

10nF

IIN–

14

IIN–_AUX

11

IIN+_AUX

17

VREF

15

VINP_AUX

16

VINM_AUX

IIN+

100µΩ

SHUNT

VBAT

VDD

VBAT

4

5

6

7

8

32

2

3

10

AVDD18

VTEMP

9

GND_SW

20

28

1

33VDD

21

DVDD33

LIN

RESET

DVDD33

1µF

*

22

DVDD18

0.47µF

0.47µF

19

AVDD18

100nF

1kΩ

ECU

MASTER

PESD1LIN

(OPTIONAL)

LIN

220Ω

100kΩ

220Ω

1kΩ

10kΩ

NTC

0.47µF

ADuCM330/

ADuCM331

OPTIONAL

Figure 3. Recommended Schematic