EMC1438-2-AP-TR datasheet(10/48 Pages) SMSC

Part #	EMC1438-2-AP-TR

Description	1째C Multiple Temperature Sensor with Hardware Controlled Standby & Hottest of Multiple Zones

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Manufacturer	SMSC [SMSC Corporation]

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1°C Multiple Temperature Sensor with Hardware Controlled Standby & Hottest of Multiple Zones

Datasheet

Revision 1.0 (04-29-10)

10

SMSC EMC1438

DATASHEET

Chapter 3 Electrical Specifications

3.1

Absolute Maximum Ratings

Note: Stresses at or above those listed could cause permanent damage to the device. This is a stress

rating only and functional operation of the device at any other condition above those indicated

in the operation sections of this specification is not implied. Prolonged stresses above the

stated operating levels and below the Absolute Maximum Ratings may degrade device

performance and lead to permanent damage.

Note 3.1

For the 5V tolerant pins that have a pull-up resistor, the pull-up voltage must not exceed

3.6V when the device is unpowered.

Note 3.2

The Package Power Dissipation specification assumes a thermal via design with the

thermal landing soldered to the PCB ground plane with four 12 mil vias.

Note 3.3

Junction to Ambient (JA) is dependent on the design of the thermal vias. Without thermal

vias and a thermal landing, the

θJA is approximately 60°C/W including localized PCB

temperature increase.

Table 3.1 Absolute Maximum Ratings

DESCRIPTION

RATING

UNIT

Supply Voltage (VDD)

-0.3 to 4.0

V

Voltage on 5V tolerant pins (V5VT_pin)

-0.3 to 5.5

V

Voltage on 5V tolerant pins (|V5VT_pin - VDD|) (see Note 3.1)0 to 3.6

V

Voltage on any other pin to Ground

-0.3 to VDD +0.3

V

Operating Temperature Range

-40 to +125

°C

Storage Temperature Range

-55 to +150

°C

Lead Temperature Range

Refer to JEDEC Spec. J-STD-020

QFN-16 Package Power Dissipation (see Note 3.2)

0.5W up to TA = 85°C

W

Junction to Ambient (

θJA) (see Note 3.3)58

°C/W

ESD Rating, All pins HBM

2000

V

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EMC1438-2-AP-TR Datasheet(PDF) 10 Page - SMSC Corporation

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