Data Sheet

ADM3050E

Rev. B | Page 11 of 19

PIN CONFIGURATIONS AND FUNCTION DESCRIPTIONS

ADM3050E

TOP VIEW

(Not to Scale)

16

9

10

11

12

13

14

15

1

8

7

6

5

4

3

2

TXD

NC

NC

RXD

NC

CANL

CANH

NC

NOTES

1. NC = NO CONNECT. NO INTERNAL CONNECTION TO IC.

Figure 6. 16-Lead SOIC_W Pin Configuration

8

CANH

7

CANL

6

5

ADM3050E

(Not to Scale)

TOP VIEW

Figure 7. 8-Lead SOIC_IC Pin Configuration

Table 12. Pin Function Descriptions

Pin No.

Mnemonic

Description

16-Lead

SOIC_W

8-Lead

SOIC_IC

1

1

Power Supply, Logic Side, 1.7 V to 5.5 V. This pin requires a 0.1 μF decoupling capacitor.

2, 7, 8

4

Ground, Logic Side.

3

3

RXD

Receiver Output Data.

4, 5, 11, 14

NC

No Connect. No internal connection to IC.

6

2

TXD

Driver Input Data.

9, 10, 15

5

Ground, Bus Side.

12

6

CANL

CAN Low Input and Output.

13

7

CANH

CAN High Input and Output.

16

8

Power Supply, Bus Side, 4.5 V to 5.5 V. This pin requires a 0.1 μF decoupling capacitor.

OPERATIONAL TRUTH TABLE

Table 13. Truth Table

TXD

Mode

RXD

CANH/CANL

On

On

Low

Normal

Low

On

On

High

Normal

High per bus

Recessive and set by bus

Off

On

Don’t care

Normal

Indeterminate

Recessive and set by bus

On

Off

Don’t care

Transceiver off

High

High-Z