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Datasheet Microchip MIC281

ManufacturerMicrochip
SeriesMIC281

The MIC281 is a digital thermal sensor capable of measuring the temperature of a remote PN junction

Datasheets

  • Download » Datasheet PDF, 674 Kb, File published: Nov 5, 2015
    MIC281 - Low-Cost IttyBitty? Thermal Sensor
    Docket ↓
    MIC281
    Low-Cost IttyBittyв„ў Thermal Sensor General Description Features The MIC281 is a digital thermal sensor capable of
    measuring the temperature of a remote PN junction. It is
    optimized for applications favoring low cost and small size.
    The remote junction may be an inexpensive commodity
    transistor, e.g., 2N3906, or an embedded thermal diode
    В®
    such as found in Intel Pentium II/III/IV CPUs, AMD
    В®
    В®
    Athlon CPUs, and Xilinx Virtex FPGAs. п‚ Remote temperature measurement using embedded
    thermal diodes or commodity transistors п‚ Accurate remote sensing: В±3В°C max., 0В°C to 100В°C п‚ Excellent noise rejection п‚ I C and SMBus 2.0-compatible serial interface п‚ SMBus timeout to prevent bus lockup The MIC281 is 100% software and hardware backward
    compatible with the MIC280 and features the same
    industry-leading noise performance and small size. The
    advanced integrating A/D converter and analog front-end
    reduce errors due to noise for maximum accuracy and
    minimum guardbanding. п‚ Voltage tolerant I/Os п‚ Low power shutdown mode п‚ Failsafe response to diode faults п‚ 3.0V to 3.6V power supply range п‚ Available in IttyBitty SOT23-6 package A 2-wire SMBus 2.0-compatible serial interface is provided
    for host communication. The clock and data pins are 5Vtolerant regardless of the value of VDD. They will not clamp
    the bus lines low even if the device is powered down.
    Superior performance, low power, and small size make the
    MIC281 an excellent choice for cost-sensitive thermal
    management applications. 2 Applications
    п‚ п‚ п‚ п‚ Desktop, server, and notebook computers ...

Prices

Status

MIC281-0YM6-TRMIC281-1YM6-TRMIC281-2YM6-TRMIC281-3YM6-TRMIC281-4YM6-TRMIC281-5YM6-TRMIC281-6YM6-TRMIC281-7YM6-TRMIC2810-1J6JYML-TRMIC2810-1J6SYML-TRMIC2810-1JGMYML-TRMIC2810-44MYML-TRMIC2810-4GKYML-TRMIC2810-4GMYML-TRMIC2810-4GPYML-TRMIC2810-4GSYML-TRMIC2810-4LSYML-TRMIC2810-4MSYML-TRMIC2810-CGJYML-TRMIC2810-FGSYML-TRMIC2811-4GJLYML-TRMIC2811-4GMSYML-TR
Lifecycle StatusProduction (Appropriate for new designs but newer alternatives may exist)Production (Appropriate for new designs but newer alternatives may exist)Production (Appropriate for new designs but newer alternatives may exist)Production (Appropriate for new designs but newer alternatives may exist)Production (Appropriate for new designs but newer alternatives may exist)Production (Appropriate for new designs but newer alternatives may exist)Production (Appropriate for new designs but newer alternatives may exist)Production (Appropriate for new designs but newer alternatives may exist)Production (Appropriate for new designs but newer alternatives may exist)Production (Appropriate for new designs but newer alternatives may exist)Production (Appropriate for new designs but newer alternatives may exist)Production (Appropriate for new designs but newer alternatives may exist)Production (Appropriate for new designs but newer alternatives may exist)Production (Appropriate for new designs but newer alternatives may exist)Production (Appropriate for new designs but newer alternatives may exist)Production (Appropriate for new designs but newer alternatives may exist)Production (Appropriate for new designs but newer alternatives may exist)Production (Appropriate for new designs but newer alternatives may exist)Production (Appropriate for new designs but newer alternatives may exist)Production (Appropriate for new designs but newer alternatives may exist)Production (Appropriate for new designs but newer alternatives may exist)Production (Appropriate for new designs but newer alternatives may exist)

Packaging

Parametrics

MIC281-0YM6-TRMIC281-1YM6-TRMIC281-2YM6-TRMIC281-3YM6-TRMIC281-4YM6-TRMIC281-5YM6-TRMIC281-6YM6-TRMIC281-7YM6-TRMIC2810-1J6JYML-TRMIC2810-1J6SYML-TRMIC2810-1JGMYML-TRMIC2810-44MYML-TRMIC2810-4GKYML-TRMIC2810-4GMYML-TRMIC2810-4GPYML-TRMIC2810-4GSYML-TRMIC2810-4LSYML-TRMIC2810-4MSYML-TRMIC2810-CGJYML-TRMIC2810-FGSYML-TRMIC2811-4GJLYML-TRMIC2811-4GMSYML-TR
# Temps Monitored2222222222222222222222
# of Device per I2C Bus8888888888888888888888
AccuracyВ±3%В±3%В±3%В±3%В±3%В±3%В±3%В±3%В±3%В±3%В±3%В±3%В±3%В±3%В±3%В±3%В±3%В±3%В±3%В±3%В±3%В±3%
CRIT OutputFalseFalseFalseFalseFalseFalseFalseFalseFalseFalseFalseFalseFalseFalseFalseFalseFalseFalseFalseFalseFalseFalse
Data Width8888888888888888888888
Max. Accuracy @ 25°, °3333333333333333333333
Max. Supply Current, µA400400400400400400400400400400400400400400400400400400400400400400
Oja, C/W230230230230230230230230230230230230230230230230230230230230230230
Operating Temperature Range, °C-55 to +125-55 to +125-55 to +125-55 to +125-55 to +125-55 to +125-55 to +125-55 to +125
Remote Zone1111111111111111111111
Resolution, bits8888888888888888888888
Temp. Range, °-55 - 125-55 - 125-55 - 125-55 - 125-55 - 125-55 - 125-55 - 125-55 - 125-55 - 125-55 - 125-55 - 125-55 - 125-55 - 125-55 - 125-55 - 125-55 - 125-55 - 125-55 - 125-55 - 125-55 - 125-55 - 125-55 - 125
Typical Accuracy, °1111111111111111111111
Vcc Range, V3 - 3.63 - 3.63 - 3.63 - 3.63 - 3.63 - 3.63 - 3.63 - 3.63 - 3.63 - 3.63 - 3.63 - 3.63 - 3.63 - 3.63 - 3.63 - 3.63 - 3.63 - 3.63 - 3.63 - 3.63 - 3.63 - 3.6

Eco Plan

Moldel Line

Series: MIC281 (22)

Manufacturer's Classification

  • Thermal Management > Local Temperature Sensors > Serial (Digital) Output

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