MCP9808

The MCP9808 digital temperature sensor converts temperatures between -20°C and +100°C to a digital word with ±0.5°C (max.) accuracy. The MCP9808 comes with user-programmable registers that provide flexibility for temperature sensing applications. The registers allow user-selectable settings such as Shutdown or low-power modes and the specification of temperature Event and Critical output boundaries. When the temperature changes beyond the specified boundary limits, the MCP9808 outputs an Event signal. The user has the option of setting the event output signal polarity as an active-low or active-high comparator output for thermostat operation, or as temperature event interrupt output for microprocessor-based systems. The event output can also be configured as a Critical temperature output. This sensor has an industry standard 2-wire, SMBus and Standard I2C™Compatible compatible (100kHz/400kHz bus clock) serial interface, allowing up to eight sensors to be controlled in a single serial bus. These features make the MCP9808 ideal for sophisticated multi-zone temperature- monitoring applications.

产品特性
  • Accuracy: ±0.25°C (typical) from -40°C to +125°C ±0.5°C (maximum) from -20°C to +100°C
  • ±0.25°C (typical) from -40°C to +125°C
  • ±0.5°C (maximum) from -20°C to +100°C
  • User Selectable Measurement Resolution: 0.5°C, 0.25°C, 0.125°C, 0.0625°C
  • 0.5°C, 0.25°C, 0.125°C, 0.0625°C
  • User Programmable Temperature Limits: Temperature Window Limit Critical Temperature Limit
  • Temperature Window Limit
  • Critical Temperature Limit
  • User Programmable Temperature Alert Output
  • Operating Voltage Range: 2.7V to 5.5V
  • Operating Current: 200 µA (typical)
  • Shutdown Current: 0.1 µA (typical)
  • 2-wire Interface: I2C/SMBus Compatible
  • Available Packages: 2x3 DFN-8, MSOP-8
  • AEC-Q100 Qualified Grade 1
技术参数
aspxParamName aspxParamValue aspxParamValue
# Temps Monitored 1 1
Typical Accuracy (°) 0.25 0.25
Max. Accuracy @ 25° (°) 0.5 0.5
Max Input/ Supply Current (µA) 200 200
Temp. Range (°C) -40 to +125 -40 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
MCP9808 - +/-0.5°C Maximum Accuracy Digital Temperature SensorData Sheets10/28/20111085KB
订购型号
Part NumberLeadsPackage TypeTemp RangePacking1+26+100+1000+5000+
MCP9808-E/MS8MSOP-40C to +125CTUBE1.130.940.850.850.84
MCP9808T-E/MC8DFN-40C to +125CT/R1.130.940.850.850.84
MCP9808T-E/MS8MSOP-40C to +125CT/R1.130.940.850.850.84
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器件无铅环保信息
PartNumberDeviceWeightShippingWeightLeadCountPackageTypePackageWidthSolderCompositionJEDECIndicatorRoHSChinaEFUP
MCP9808T-E/MS0.0256000.2156008MSOP3x3mmMatte Tine3
MCP9808-E/MS0.0256000.0700008MSOP3x3mmMatte Tine3
MCP9808T-E/MC0.0170000.1306068DFN2x3x0.9mmMatte Tine3
MCP9808 - +/-0.5°C Maximum Accuracy Digital Temperature Sensor MCP9808
MCP9808 - +/-0.5°C Maximum Accuracy Digital Temperature Sensor MCP9808
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