MCP9902 datasheet(4/50 Pages) MICROCHIP

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MCP9902/3/4

DS20005382C-page 4

 2015-2016 Microchip Technology Inc.

External Temperature Monitor

Temperature Accuracy

(MCP9902)

—

-1

±0.25

°C

-40°C < TDIODE < +105°C,

-40°C < TA <+65°C

-2

±0.25

°C

-40°C < TDIODE < +125°C

-40°C < TA < +125°C

Temperature Accuracy

(MCP9903, MCP9904)

—

-1

±0.25

°C

-40°C < TDIODE < +125°C,

-40°C < TA <+65°C

-2

±0.25

°C

+40°C < TDIODE < +125°C

-40°C < TA < +125°C

Temperature

Resolution

——

0.125

—

°C

—

Internal Temperature Monitor

Temperature Accuracy

—

-1

±0.25

°C

-40°C < TA < +65°C

-2

±0.5

°C

-40°C < TA < +125°C

Temperature

Resolution

——

0.125

—

°C

—

Timing and Capacitive Filter

Time to First

Communications

tINT_T

—

Time after power up before ready to

begin communications and

measurement

Conversion Time All

Channels

(MCP9903, MCP9904)

tCONV

—

190

—

Default settings

Conversion Time All

Channels

(MCP9902)

tCONV

—

150

—

Default settings

Time to First

Conversion from

Standby

tCONV1

—

220

—

Default settings

Capacitive Filter

CFILTER

—

2.2

2.7

Connected across external diode

ALERT and THERM Pins

Output Low Voltage

VOL

0.4

—

ISINK =8 mA

Leakage Current

ILEAK

——

±5

µA

ALERT and THERM pins

Device powered or

unpowered

TA < +85°C

pull-up voltage < 3.6V

1.2

DC Characteristics (Continued)

Electrical Characteristics

: Unless otherwise specified, 3.0 ≤ VDD ≤ 3.6V at -40°C ≤ TA ≤ +125°C

Characteristic

Sym.

Min.

Typ.

Max.

Units

Conditions

1.3

Thermal Specifications

Electrical Characteristics:

Unless otherwise specified, 3.0

 VDD  3.6V at -40C  TA  +125C

Parameters

Sym.

Min.

Typ.

Max.

Units

Test Conditions

Temperature Ranges

Specified Temperature Range

-40

—

+125

°C

Operating Temperature Range

-40

—

+125

°C

Storage Temperature Range

-65

—

+125

°C

Thermal Package Resistances (Note 1)

Thermal Resistance, 8L-WDFN, 2x2

JA

—

141.3

—

°C/W

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