ADT7420

Preliminary Technical Data

Rev. PrA | Page 6 of

PIN CONFIGURATION AND FUNCTION DESCRIPTIONS

12

11

10

1

3

4

GND

CT

9

INT

SCL

A0

2

SDA

A1

TOP VIEW

(Not to Scale)

ADT7420

NOTES

1. NC = NO CONNECT.

2. THE EXPOSED PAD IS CONNECTED INTERNALLY.

FOR INCREASED RELIABILITY OF THE SOLDER JOINTS

AND MAXIMUM THERMAL CAPABILITY IT IS RECOMMENDED

THAT THE PAD BE SOLDERED TO THE GROUND PLANE.

Figure 3. Pin Configuration

Table 4. Pin Function Descriptions

Pin No.

Mnemonic

Description

1

SCL

Open-drain configuration. A pull-up resistor is required, typically 10 kΩ.

2

SDA

pull-up resistor is required, typically 10 kΩ.

3

A0

4

A1

5

NC

No Connect.

6

NC

No Connect.

7

NC

No Connect.

8

NC

No Connect.

9

INT

Overtemperature and Undertemperature Indicator. Logic output. Power-up default setting is as an active low

comparator interrupt. Open-drain configuration. A pull-up resistor is required, typically 10 kΩ.

10

CT

Critical Overtemperature Indicator. Logic output. Power-up default polarity is active low. Open-drain configuration.

A pull-up resistor is required, typically 10 kΩ.

11

GND

Analog and Digital Ground.

12

V

DD

Positive Supply Voltage (2.7 V to 5.5 V). The supply should be decoupled with a 0.1 µF ceramic capacitor to ground.

13

NC

No Connect.

14

NC

No Connect.

15

NC

No Connect.

16

NC

No Connect.