Details, datasheet, quote on part number: TC72
PartTC72
CategorySensors => Temperature Sensors
DescriptionThe TC72 is a Digital Temperature Sensor Capable of Reading Temperatures From -55°C to +125°C
CompanyMicrochip Technology, Inc.
DatasheetDownload TC72 datasheet
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Features, Applications
Features

Temperature-to-Digital Converter SPITM Compatible Interface 10-Bit Resolution (0.25C/Bit) 2C (max.) Accuracy from +85C 3C (max.) Accuracy from to 5.5V Operating Range Low Power Consumption: 250 A (typ.) Continuous Temperature Conversion Mode 1 A (max.) Shutdown Mode Power Saving One-Shot Temperature Measurement Industry Standard 8-Pin MSOP Package Space Saving 8-Pin DFN (3x3 mm) Package

The is a digital temperature sensor capable of reading temperatures from to +125C. This sensor features a serial interface that allows communication with a host controller or other peripherals. The TC72 interface is compatible with the SPI protocol. The TC72 does not require any additional external components. However, it is recommended that a decoupling capacitor F be provided between the VDD and GND pins. The TC72 can be used either in a Continuous Temperature Conversion mode or a One-Shot Conversion mode. The Continuous Conversion mode measures the temperature approximately every 150 ms and stores the data in the temperature registers. In contrast, the One-Shot mode performs a single temperature measurement and returns to the power saving shutdown mode. The TC72 features high temperature accuracy, easeof-use and is the ideal solution for implementing thermal management in a variety of systems. The device is available in both 8-pin MSOP and 8-pin DFN spacesaving packages. The TC72 also features a shutdown mode for low power operation.

Digital Temperature Sensor with SPITM Interface
Typical Applications

Personal Computers and Servers Hard Disk Drives and Other PC Peripherals Entertainment Systems Office Equipment Datacom Equipment Mobile Phones General Purpose Temperature Monitoring

Name NC CE SCK GND SDO SDI NC VDD Function No Internal Connection Chip Enable Input, the device is selected when this input is high Serial Clock Input Ground Serial Data Output Serial Data Input No Internal Connection Power Supply

VDD........................................................................ 6.0V All inputs and outputs w.r.t. GND...-0.3V to VDD +0.3V Storage temperature.......................... to +150C Ambient temp. with power applied..... to +125C Junction Temperature........................................ 150C ESD protection on all pins: Human Body Model (HBM)............................. 4 kV Man Machine Model (MM)............................. > 400V Latch-Up Current at each pin........................ 200 mA Maximum Power Dissipation........................... 250 mW

Notice: Stresses above those listed under "Maximum Ratings" may cause permanent damage to the device. This is a stress rating only and functional operation of the device at those or any other conditions above those indicated in the operation listings of this specification is not implied. Exposure to maximum rating conditions for extended periods may affect device reliability.

Electrical Specifications: Unless otherwise noted, all parameters apply to +125 C. Parameters Power Supply Operating Voltage Range Operating Current: Normal Mode, ADC Active Shut-Down Supply Current Temperature Accuracy (Note 1) Resolution ADC Conversion Time Digital Input / Output High Level Input Voltage Low Level Input Voltage High Level Output Voltage Low Level Output Voltage Input Resistance Pin Capacitance VIH V IL VOH VOL RIN CIN COUT 0.7 VDD 0.7 VDD 0.2 VDD pF IOH 1 mA IOL 4 mA tCONV V DD IDD-CON ISHD TACY Bits A C Note 1 Continuous temp. conversion mode (Shutdown Bit = `0') Shutdown Mode (Shutdown Bit < +125C Note 4 Sym Min Typ Max Units Conditions

Note 1: The TC72-2.8MXX, TC72-3.3MXX and TC72-5.0MXX will operate from a supply voltage to 5.5V. However, the TC72-2.8MXX, TC72-3.3MXX and TC72-5.0MXX are tested and specified at the nominal operating voltages 2.8V, 3.3V and 5.0V respectively. As VDD varies from the nominal operating value, the accuracy may be degraded. Refer to Figure 2-5 and Figure 2-6. 2: Measured with a load pF on the SDO output pin of the TC72. 3: All time measurements are measured with respect to the 50% point of the signal, except for the SCK rise and fall times. The rise and fall times are defined as the to 90% transition time. 4: Resolution = Temperature Range/No. of Bits -128C) 0.25C/Bit


 

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TC72-2.8MMF
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