Rainbow-electronics MAX6673 Manual de usuario descargar pdf (Pagina 2)

MAX6672/MAX6673

PWM Output Temperature Sensors

in SC70 Packages

2 _______________________________________________________________________________________

ABSOLUTE MAXIMUM RATINGS

ELECTRICAL CHARACTERISTICS

= 2.4V to 5.5V, T

= -40°C to +125°C, unless otherwise noted. Typical values specified at +25°C and V

of 3.3V.) (Note 1)

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.

Note 1: All specifications are 100% tested at T

= +25°C. Specification limits over temperature (T

= -40°C to +125°C) are guaranteed

by design, not production tested.

Note 2: Temperature = -200

(0.85 - T

)

+ (425

) - 273. T

is the low time period. T

is the high time period (Figure 1).

Supply Voltage (V

to GND) ................................. -0.3V to +6V

DOUT to GND (MAX6672)........................................-0.3V to +6V

DOUT to GND (MAX6673)..........................-0.3V to (V

+ 0.3V)

DOUT Short to GND ...................................................Continuous

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

Continuous Power Dissipation (T

= +70°C)

5-Pin SC70 (derate 2.5mW/°C above +70°C).............200mW

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

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

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

SC70 Package

Vapor Phase (60s) ...................................................... +215°C

Infrared (15s). ............................................................. +220°C

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

PARAMETER SYMBOL CONDITIONS MIN TYP MAX UNITS

= +25°C to +100°C-3 +3

= 0°C to +125° C-4 +4

= -20°C to +125°C-5 +5

Temperature Error

(Note 2)

= 3.3V

= -40°C to -20°C±3

°C

Nominal t

Pulse Width 280 µs

Output Low Voltage V

SINK

= 3mA 0.4 V

Output High Voltage V

SOURCE

= 800µA (MAX6673) V

- 0.5 V

Fall Time t

FALL

LOAD

= 100pF 14 ns

Rise Time t

RISE

LOAD

= 100pF (MAX6673) 96 ns

DOUT Open-Drain Leakage

Current

DOUT

= 6V (MAX6672) 0.1 µA

Output Capacitance 2.5 pF

Power-Supply Rejection Ratio PSRR 2.4V to 5.5V, T

= -25°C to +125°C 0.3 0.8 °C/V

2.4V to 3.6V

60 100

Supply Current

3.6V to 5.5V 70 150

µA

1 2 3 4 5 6

MAX6672/MAX6673 1

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Rainbow-electronics MAX6673 Manual de usuario Pagina 2

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