MAX6658MSA datasheet(2/17 Pages) MAXIM

Part #	MAX6658MSA

Description	짹1째C, SMBus-Compatible Remote/Local Temperature Sensors with Overtemperature Alarms

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Manufacturer	MAXIM [Maxim Integrated Products]

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ABSOLUTE MAXIMUM RATINGS

Stresses beyond those listed under “Absolute Maximum Ratings” may cause permanent damage to the device. These are stress ratings only, and functional

operation of the device at these or any other conditions beyond those indicated in the operational sections of the specifications is not implied. Exposure to

absolute maximum rating conditions for extended periods may affect device reliability.

All Voltages Referenced to GND

VCC ..........................................................................-0.3V to +6V

DXP ............................................................-0.3V to (VCC + 0.3V)

DXN ......................................................................-0.3V to +0.8V

SMBCLK, SMBDATA, ALERT, OVERT1,

OVERT2 ..............................................................-0.3V to +6V

SMBDATA, ALERT, OVERT1, OVERT2

Current ..........................................................-1mA to +50mA

DXN Current ......................................................................±1mA

Continuous Power Dissipation (TA = +70°C)

8-Pin SO (derate 5.9mW/°C above +70°C) .................471mW

16-Pin QSOP (derate 8.3mW/°C above +70°C) ..........664mW

Junction Temperature .....................................................+150°C

Storage Temperature Range ............................-65°C to +150°C

Lead Temperature (soldering, 10s) ................................+300°C

ELECTRICAL CHARACTERISTICS

(Circuit of Typical Operating Circuit, VCC = +3.0V to +5.5V, TA = 0°C to +125°C, unless otherwise specified. Typical values are at

VCC = +3.3V and TA = +25°C.)

PARAMETER

SYMBOL

CONDITIONS

MIN

TYP

MAX

UNITS

1

°C

Temperature Resolution,

Legacy Mode

8

Bits

0.125

°C

Temperature Resolution,

Extended Mode

11

Bits

TRJ = +60°C to +100°C, VCC = +3.3V

(Note 1)

-1.0

+1.0

TRJ = 0°C to +100°C, VCC = +3.3V (Note 1)

-3.0

+3.0

Remote Temperature Error

(MAX6657)

TRJ = 0°C to +125°C, VCC = +3.3V (Note 1)

-5.0

+5.0

°C

TA = +60°C to +100°C, VCC = +3.3V

-2.0

+2.0

TA = 0°C to +100°C, VCC = +3.3V

-3.0

+3.0

Local Temperature Error

(MAX6657)

TA = 0°C to +125°C, VCC = +3.3V

-5.0

+5.0

°C

TRJ = +60°C to +100°C, VCC = +3.3V

(Note 1)

-1.0

1.0

TRJ = 0°C to +100°C, VCC = +3.3V (Note 1)

-3.0

3.0

Remote Temperature Error

(MAX6658/MAX6659)

TRJ = -55°C to +125°C, VCC = +3.3V (Note 1)

-5.0

+5.0

°C

TA = +60°C to +100°C, VCC = +3.3V

-2.0

+2.0

TA = 0°C to +100°C, VCC = +3.3V

-3.0

+3.0

Local Temperature Error

(MAX6658/MAX6659)

TA = -55°C to +125°C, VCC = +3.3V (Note 2)

-5.0

+5.0

°C

Line Regulation

3.0V

≤ VCC ≤ 5.5V

0.2

0.6

m°C/V

Supply Voltage Range

VCC

3.0

5.5

V

Undervoltage Lockout Threshold

UVLO

Falling edge of VCC disables ADC

2.60

2.80

2.95

V

Undervoltage Lockout Hysteresis

90

mV

Power-On Reset (POR) Threshold

VCC, falling edge

1.5

2.0

2.5

V

POR Threshold Hysteresis

90

mV

Standby Supply Current

SMBus static

3

10

µA

Operating Current

During conversion

0.5

1.0

mA

0.25 conversions/s

40

70

Average Operating Current

2 conversions/s

150

250

µA

±1°C, SMBus-Compatible Remote/Local Temperature

Sensors with Overtemperature Alarms

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