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Manufacturer:Linear Technology
Series:LTC2991
Part Number:LTC2991CMS#PBF

Octal I2C Voltage, Current, and Temperature Monitor

Datasheets

  • Download » Datasheet, PDF, 774 Kb, Revision: F
    LTC2991 - Octal I2C Voltage, Current, and Temperature Monitor
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    LTC2991
    Octal I2C Voltage, Current,
    and Temperature Monitor
    FEATURES n n n n n n n n n n n n DESCRIPTION Measures Voltage, Current, Temperature
    Measures Four Remote Diode Temperatures
    0.7°C (Typ) Accuracy, 0.06°C Resolution
    1°C (Typ) Internal Temperature Sensor
    Series Resistance Cancellation
    14-Bit ADC Measures Voltage/Current
    PWM Temperature Output
    3V to 5.5V Supply Operating Voltage
    Eight Selectable Addresses
    Internal 10ppm/°C Voltage Reference
    V1 to V8 Inputs ESD Rated to 6kV HBM
    16-Lead MSOP Package APPLICATIONS n n n n n The LTC®2991 is used to monitor system temperatures,
    voltages and currents. Through the I2C serial interface, the
    eight monitors can individually measure supply voltages
    and can be paired for differential measurements of current sense resistors or temperature sensing transistors.
    Additional measurements include internal temperature
    and internal VCC. The internal 10ppm reference minimizes
    the number of supporting components and area required.
    Selectable address and configurable functionality give the
    LTC2991 flexibility to be incorporated in various systems ...

Prices

Packaging

PackageMS-16
Package CodeMS

Parametrics

ADC14-Bit
Number of Channels4
Demo BoardsDC1785B
Design ToolsLinduino File
Export Controlno yes/no
External Temp Sense Accuracy1.5 °C
I/OSerial I2C
Internal Temp Sense Accuracy3.5 °C
Isupply1.1 mA
MonitorsExternal V, External I, External Temperature, Internal Temperature
Operating Temperature Range0 to 70 °C
OutputDigital
Sensor TypeDiode, Internal
Supply Voltage Range3V to 5.5V

Eco Plan

RoHSCompliant

Manufacturer's Classification

  • Signal Conditioning > Amplifiers > Current Sense Amplifiers
  • Monitor, Control and Protection > Power Monitors
  • Monitor, Control and Protection > Temperature Monitors > Digital Temperature Measurement Systems

Other Names: LTC2991CMSPBF, LTC2991CMS PBF

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