MAX6635 查看數據表（PDF） - Maxim Integrated

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MAX6635

12-Bit Plus Sign Temperature Sensors with SMBus/I2C-Compatible Serial Interface

Maxim Integrated 

MAX6633/MAX6634/

MAX6635

12-Bit Plus Sign Temperature Sensors

with SMBus/I2C-Compatible Serial Interface

Absolute Maximum Ratings

VCC, SDA, SCL.....................................................-0.3V to +6.0V

All Other Pins ...............................................-0.3V to VCC +0.3V

SDA, ALERT, OVERT Current............................ -1mA to +50mA

ESD Protection (Human Body Model)...............................2000V

Continuous Power Dissipation (TA = +70°C)

8-Pin SO (derate 5.88mW/°C above +70°C)...............471mW

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

Operating Temperature Range.......................... -55°C to +150°C

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

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

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.

Electrical Characteristics

(VCC = +3.0V to +5.5V, TA = -55°C to +125°C, unless otherwise noted. Typical values are VCC = +3.3V, TA = +25°C, unless other-

wise noted.)

PARAMETER

SYMBOL

CONDITIONS

TEMPERATURE-TO-DIGITAL CONVERTER CHARACTERISTICS

Supply Range

Accuracy (Note 1)

Power-Supply Rejection Ratio

VCC

PSRR

0°C ≤ TA = ≤ +50°C, VCC = +3.3V

-20°C ≤ TA = ≤ +85°C, VCC = +3.3V

-40°C ≤TA = ≤ 125°C, VCC = +3.3V

TA = -55°C, VCC = +3.3V

TA = +150°C, VCC = +3.3V

POR Threshold Hysteresis

Supply Current in Shutdown

Average Operating Current

Peak Operating Current (Note 2)

Conversion Rate

VCC = +3.0V­, SMBus inactive

VCC = +5.5V, SMBus inactive

VCC = +3.0V, SMBus inactive

VCC = +5.5V, SMBus inactive

VCC = +3.0V, SMBus inactive

VCC = +5.5V, SMBus inactive

DIGITAL INTERFACE

Logic Input Low Voltage

Logic Input High

Voltage

Input Leakage Current

Output Low Sink Current

VIL

VIH

II_LEAK

IOL

VCC = +3.0V to +5.5V

VCC = +3V

VCC = +5.5V

VIN = GND or VCC

VOL = 0.6V (SMBDATA,

ALERT, OVERT)

Output Leakage Current

Input Capacitance

IO_LEAK

CIN

ALERT, OVERT at VCC

MIN TYP MAX UNITS

3.0

5.5

V

-1.0 ±0.4 +1.0

-1.5 ±0.6 +1.5

-2.5 ±1.0 +2.5

°C

-2.8 ±1.5 +2.8

±2.5

0.2

0.5 °C/V

90

mV

12

20

µA

20

30

150

µA

200

270 350

µA

350 700

1.4

2

2.4

Hz

0.65

V

2.2

V

2.4

±1

µA

6

mA

±1

µA

5

pF

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