Rainbow-electronics MAX6652 Bedienungsanleitung PDF herunterladen (Seite 2)

MAX6652

Temperature Sensor and System Monitor

in a 10-Pin µMAX

2 _______________________________________________________________________________________

ELECTRICAL CHARACTERISTICS

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

= +5V, T

= +25°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.

........................................................................-0.3V to +6.0V

Voltage on 12V

...................................................-0.3V to +16V

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

Output Current (SDA, ALERT) ............................-1mA to +50mA

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

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

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

Continuous Power Dissipation (T

= +70°C)

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

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

PARAMETER SYMBOL CONDITIONS MIN TYP MAX UNITS

POWER SUPPLY

Supply Voltage V

2.7 5.5 V

Active 200 500 µA

Supply Current

Shutdown mode, all digital inputs are

grounded

<1 10 µA

Power-On Reset Voltage V

_ rising or falling edge 2 V

TEMPERATURE

= +25°C ±2

-20°C ≤ T

≤ +80°C ±3 °CAccuracy (Note 5) V

= +5V

-40°C ≤ T

≤ +125°C ±5

PSRR V

= +2.7V to +5.5V 0.7 1.3 °C/V

Resolution ±1 °C

ADC CHARACTERISTICS

Total Unadjusted Error TUE V

> 10LSB ±1 ±1.5 %

Differential Nonlinearity DNL V

> 10LSB ±1 LSB

Supply Sensitivity PSS V

= +2.7V to +5.5V ±1 V

Input Resistance R

12V

, 2.5V

, 3.3V

100 150 200 kΩ

Total Monitoring Cycle Time tc (Note 1) 200 300 ms

SCL, SDA, ADD

Logic Input Low Voltage V

0.8 V

≤ 3.6V 2.0 V

Logic Input High Voltage V

> 3.6V 2.6 V

SDA Output Low Voltage V

SINK

= 3mA 400 mV

Input Leakage Current I

LEAK

= 0 or 5V ±1 µA

ALERT

SINK

= 1.2mA, V

> 2.7V 0.3 V

Output Low Voltage V

OLA

SINK

= 3.2mA, V

> 4.5V 0.4 V

TIMING

Serial Clock Frequency f

SCL

0 400 kHz

Bus Free Time Between STOP and

START

BUF

1.3 µs

ABSOLUTE MAXIMUM RATINGS

All Voltages Are Referenced to GND

1 2 3 4 5 6 7 ... 11 12

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