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SGM448

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2.7V to 10V, SOT-23 Temperature Sensor

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The SGM448 can detect the temperature from -55℃ to +150℃ and its operation voltage level is from 2.7V to 10V. For the output voltage stage, the DC offset voltage is equal to 424mV at 0℃ and it changes linearly with 6.25mV/℃. The beneficial of the positive offset voltage is that it can allow the SGM448 to read negative temperature accurately. For measuring the temperature range from -55 ℃ to +150 ℃ , the corresponding nominal output voltage range is from 80.25mV to 1361.5mV. The SGM448 is calibrated to achieve the accuracy of ±1℃ (MAX) at +25℃ and ±2.5℃ (MAX) at full measureable range of temperature. 

The SGM448 can simplify the required external circuit for the measurement of negative temperature through its excellent linearity, positive offset voltage and calibration of factory. A class-AB output driver provides a strong 500μA maximum output to drive capacitive loads up to 2000pF and is designed to directly interface to analog-to-digital converter sample and hold inputs. The quiescent current of the device is 26μA (TYP), which means that its temperature caused by the 26μA quiescent current is within 0.1 ℃ in still air. The shutdown capability which is inside the SGM448 allows it to be powered by MCU directly as its low consumption of power. 

The SGM448 is available in a Green SOT-23 package and specified over the extended -55 ℃ to +150 ℃ temperature range.

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FEATURES
  • 2.7V to 10V Supply Voltage Range
  • Temperature Accuracy:
    +25℃: ±1℃ (MAX)
    -55℃ to +150℃: ±2.5℃ (MAX)
  • Offset Output Voltage: 424mV at 0℃ (TYP)
  • Calibrated Linear Scale Factor: 6.25mV/℃
  • Current Drain at +25℃: 26μA (TYP)
  • Nonlinearity: ±0.5℃ (TYP)
  • Strong Output for Driving Loads up to 2000pF
  • Short-Circuit Protection Output
  • Suitable for Remote Applications
  • Available in a Green SOT-23 Package
APPLICATIONS

Cell Phones and Computers
Power Supply Modules
Battery Management
Fax Machines and Printers
HVAC and Disk Drives

Ordering Information
Part Number
StatusPackagePinsPd-Free
RoHS
REACH
Green
MSL RatingOperating Temperature RangeMaterial ContentReliability Report
Unit Resale Price*
(Volume Range: in USD)
Lead Time**
(Volume Range: Days)
SGM448TN3LG/TR
Active
SOT-23
3
YES
YESYESYESMSL1
-55℃ to +150℃
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1-24 units : $1.05/unit
25-99 units : $0.9/unit
100-249 units : $0.75/unit
249-499 units : $0.6/unit
500-999 units : $0.525/unit
1000-9999 units : $0.39/unit
3K-9K : 14 days
10K-99K : 28 days
100K-999K : 70 days
1000K and above : 98 days

* The unit resale price is for reference purposes only. Please contact our distributors for a formal quotation.

** The lead time provided is for reference purposes only and is subject to change based on different circumstances.

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SG Micro Corp (SGMICRO) specializes in the development, manufacturing and sales of high-performance and high-reliability integrated circuits for analog signal conditioning and system power management, offering innovative solutions to a broad range of applications in the industrial, automotive, communication, computing, consumer electronics, and medical equipment markets.
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