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Datasheet Maxim MAX6667AUT+

Maxim MAX6667AUT+

Manufacturer:Maxim
Series:MAX6667
Part Number:MAX6667AUT+

High-Accuracy PWM Output Temperature Sensors

Datasheets

  • Download » Datasheet, PDF, 1.2 Mb
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    MAX6666/MAX6667 High-Accuracy PWM Output Temperature Sensors General Description The MAX6666/MAX6667 are high-accuracy, low-cost,
    low-power temperature sensors with a single-wire
    output. The MAX6666/MAX6667 convert the ambient
    temperature into a ratiometric PWM output with temperature information contained in the duty cycle of the output
    square wave. The MAX6666 has a push-pull output and
    the MAX6667 has an open-drain output.
    The MAX6666/MAX6667 operate at supply voltages from
    +3V to +5.5V. The typical unloaded supply current at 5.0V
    is 200µA. Both devices feature a single-wire output that
    minimizes the number of pins necessary to interface with
    a microprocessor (µP). The output is a square wave with
    a nominal frequency of 35Hz (±20%) at +25°C. The output
    format is decoded as follows: Features ●● Simple Single-Wire PWM Output
    ●● ±1.0°C Accuracy at +25°C
    ●● High Accuracy
    ±1°C at TA = +30°C
    ±2.5°C at TA = +10°C to +50°C
    ●● Operate Up to +125°C
    ●● Low 200µA Typical Current Consumption
    ●● Small SOT23 package Temperature (°C) = 235 -(400 x t1)/t2
    Where t1 is fixed with a typical value of 10ms and t2 is
    modulated by the temperature (Figure 1). The MAX6666/
    MAX6667 operate from -40°C to +125°C and are available in space-saving SOT23 packages. Applications ...

Manufacturer's Classification

  • Analog > Sensors and Sensor Interface

Docket:
MAX6666/MAX6667 High-Accuracy PWM Output Temperature Sensors General Description The MAX6666/MAX6667 are high-accuracy, low-cost,
low-power temperature sensors with a single-wire
output. The MAX6666/MAX6667 convert the ambient
temperature into a ratiometric PWM output with temperature information contained in the duty cycle of the output
square wave. The MAX6666 has a push-pull output and
the MAX6667 has an open-drain output.
The MAX6666/MAX6667 operate at supply voltages from
+3V to +5.5V. The typical unloaded supply current at 5.0V
is 200µA. Both devices feature a single-wire output that
minimizes the number of pins necessary to interface with
a microprocessor (µP). The output is a square wave with
a nominal frequency of 35Hz (±20%) at +25°C. The output
format is decoded as follows: Features ●● Simple Single-Wire PWM Output
●● ±1.0°C Accuracy at +25°C
●● High Accuracy
±1°C at TA = +30°C
±2.5°C at TA = +10°C to +50°C
●● Operate Up to +125°C
●● Low 200µA Typical Current Consumption
●● Small SOT23 package Temperature (°C) = 235 -(400 x t1)/t2
Where t1 is fixed with a typical value of 10ms and t2 is
modulated by the temperature (Figure 1). The MAX6666/
MAX6667 operate from -40°C to +125°C and are available in space-saving SOT23 packages. Applications
●●...

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