MCP9801

The MCP9801 is a digital temperature sensor capable of reading temperatures from -55°C to +125°C. Temperature data is measured from an integrated temperature sensor and converted to digital word with a user selectable 9 to 12-bit Sigma Delta Analog to Digital Converter. The MCP9801 notifies the host controller when the ambient temperature exceeds a user programmed set point. The ALERT output is programmable as either a simple comparator for thermostat operation or as a temperature event interrupt. Communication with the sensor is accomplished via a two-wire bus that is compatible with industry standard protocols. This permits reading the current temperature, programming the set point and hysteresis and configuring the device. Address selection inputs allow up to eight MCP9801 sensors to share the same 2-wire bus for multizone monitoring. Small physical size, low installed cost and ease of use make the MCP9801 an ideal choice for implementing sophisticated temperature system management schemes in a variety of applications.

产品特性
  • 2-wire I²C™/SMBus Compatible Interface
  • User Selectable 9- to 12-Bit Resolution
  • ±1°C Accuracy from -10°C to +85°C
  • ±2°C Accuracy from +85°C to +125°C
  • Low Operating Current: 220 µA (typical)
  • Shutdown Mode: 1 µA (max)
  • Power Saving One-Shot Temperature Conversion Measurement
  • Space Saving MSOP and SOIC Packages
  • AEC-Q100 Qualified Grade 1
技术参数
Parameter Name Value Value
# Temps Monitored 1 1
Typical Accuracy (°) 0.5 0.5
Max. Accuracy @ 25° (°) 1 1
Max Input/ Supply Current (µA) 200 200
Temp. Range (°C) -55 to +125 -55 to +125
Operating Voltage Range (V) +2.7 to +5.5 +2.7 to +5.5
Typ Supply Current (µA) 200 200
Alert/THERM 1 1
Resistance Error Correction N/A N/A
Beta Compensation N/A N/A
Ideality Factor N/A N/A
Device Description Digital Temperature Sensor Digital Temperature Sensor
文档资料
MCP9800/1/2/3 Data SheetData Sheets11/15/2010754KB
MCP9800/1/2/3 Rev. A Silicon/Data Sheet ErrataErrata08/31/201162KB
AN1001 - IC Temperature Sensor Accuracy Compensation with a PIC MicrocontrollerAppNote09/08/2015361KB
AN679 - Temperature Sensing TechnologiesAppNote08/10/1999177KB
AN988 - Interfacing the MCP9800 I2C Digital Temperature Sensor to a PICmicro MicrocontrollerAppNote05/16/2005195KB
Analog & Interface Guide (Volume 2)Brochures10/11/20051067KB
Quick Guide to Microchip Development ToolsBrochures10/15/201411223KB
Signal Chain Design GuideBrochures11/10/20123229KB
Temperature Sensor Design GuideBrochures12/08/2009687KB
Analog & Interface Product Selector GuideProduct Line Card03/21/20164116KB
8-Pin SOIC/MSOP/TSSOP/DIP Evaluation Board User's GuideUser Guides01/24/20061367KB
订购型号
Part NumberLeadsPackage TypeTemp RangePacking1+26+100+1000+5000+
MCP9801-M/MS8MSOP-55C to +125CTUBE1.120.930.850.820.81
MCP9801-M/SN8SOICVariousTUBE1.120.930.850.820.81
MCP9801T-M/MS8MSOP-55C to +125CT/R1.120.930.850.820.81
MCP9801T-M/SN8SOIC-55C to +125CT/R1.120.930.850.820.81
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器件无铅环保信息
PartNumberDeviceWeightShippingWeightLeadCountPackageTypePackageWidthSolderCompositionJEDECIndicatorRoHSChinaEFUP
MCP9801-M/SN0.0780000.1600008SOIC.150In(3.90mm)Matte Tine3
MCP9801T-M/SN0.0780000.2303038SOIC.150In(3.90mm)Matte Tine3
MCP9801T-M/MS0.0256000.2156008MSOP3x3mmMatte Tine3
MCP9801-M/MS0.0256000.0700008MSOP3x3mmMatte Tine3
MCP9800/1/2/3 Data Sheet MCP9803
MCP9800/1/2/3 Data Sheet MCP9800DM-TS1
MCP9800/1/2/3 Rev. A Silicon/Data Sheet Errata MCP9803
AN1001 MCP9701A
AN1001 App Note Source Code MCP9701A
AN679 MCP3553
AN988 MCP9800DM-TS1
Analog & Interface Guide (Volume 2) MCP23S08
Quick Guide to Microchip Development Tools ENC28J60
Signal Chain Design Guide MCP3901
Temperature Sensor Design Guide MCP9701A
Analog & Interface Product Selector Guide ENC624J600
8-Pin SOIC/MSOP/TSSOP/DIP Evaluation Board User's Guide SOIC8EV
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