Rainbow-electronics MAX6683 Manual do Utilizador descarregar pdf (Página 2)

MAX6683

Temperature Sensor and System Monitor

in a 10-Pin µMAX

2 _______________________________________________________________________________________

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

All Pins...................................................................-0.3V to +6.0V

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

Continuous Power Dissipation (T

= +70°C)

10-Pin µMAX (derate 5.6mW/°C above +70°C) ...........444mW

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

Operating Temperature Range .........................-40°C to +125°C

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

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

ELECTRICAL CHARACTERISTICS

= -40°C to +125°C, unless otherwise noted. Typical values are at V

= +3.3V, T

= +25°C.)

PARAMETER SYMBOL CONDITIONS MIN TYP MAX UNITS

POWER SUPPLY

Supply Voltage V

2.7 5.5 V

Operating 200 500

Supply Current

Shutdown mode, interface inactive 10

µA

Power-On Reset (POR) Voltage V

, rising or falling edge 2 V

TEMPERATURE

= +25°C, V

= +3.3V ±2

-20°C ≤ T

≤ +85°C, V

= +3.3V ±3Accuracy

-40°C ≤ T

≤ +125°C, V

= +3.3V ±5

°C

Resolution Read word mode 0.125 °C

Supply Sensitivity PSS 0.7

±1.5

°C/V

ADC CHARACTERISTICS

Total Unadjusted Error TUE V

> 10LSBs ±1.5 %

Differential Nonlinearity DNL V

> 10LSBs ±1 LSB

Supply Sensitivity PSS ±1 LSB/V

Input Resistance R

1.8V

, 2.5V

, 5V

100 150 200 kΩ

Total Monitoring Cycle Time t

(Note 1) 200 300 ms

SCL, SDA, ADD

Logic Input Low Voltage V

0.8 V

≤ 3.6V 2.0

Logic Input High Voltage V

> 3.6V 2.6

Input Leakage Current I

LEAK

= 0 or 5V ±1µA

Output Low Voltage V

SINK

= 3mA 400 mV

ALERT

SINK

= 1.2mA, V

> 2.7V 0.3

Output Low Voltage V

OLA

SINK

= 3.2mA, V

> 4.5V 0.4

1 2 3 4 5 6 7 ... 13 14

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