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전자부품 데이터시트 검색엔진 |
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전자부품 데이터시트 검색엔진 |
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MCP9902 데이터시트(PDF) 1 Page - Microchip Technology |
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MCP9902 데이터시트(HTML) 1 Page - Microchip Technology |
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1 / 50 page  2015-2016 Microchip Technology Inc. DS20005382C-page 1 MCP9902/3/4 Features • Up to Three External Temperature Monitors - ±1°C maximum accuracy MCP9902: -40°C to +105°C MCP9903/4: -40°C to +125°C - ±2°C maximum accuracy (+65°C < TDIODE < +125°C) - 0.125°C resolution • Internal Temperature Monitor - ±1°C accuracy - (-40°C to +65°C) - 0.125°C resolution • Supports up to 2.2 nF diode filter capacitor • Up to 400 kHz clock rate - Maskable with register control • Programmable SMBus address • Operating voltage: 3.0 to 3.6 (V) • ESD protection: 2 kV HBM • Temperature Range: -40°C to +125°C • Available in a small 8-Lead 2x2 mm WDFN and 10-lead 3x3 mm VDFN packages Typical Applications • General Purpose Temperature Sensing • Industrial Freezers and Refrigerators • Food Processing • Base Stations • Remote Radio Unit Description The MCP9902/3/4 is a high-accuracy, low-cost, System Management Bus (SMBus) temperature sensor. The MCP9902/3/4 monitors up to four temperature channels. Advanced features such as Resistance Error Correction (REC), Beta Compensation and automatic diode-type detection combine to provide a robust solution for complex environmental monitoring applications. Resistance Error Correction automatically eliminates the temperature error caused by series resistance allowing greater flexibility in routing thermal diodes. Beta Compensation eliminates temperature errors caused by low, variable beta transistors common in today's fine geometry processors. The automatic beta detection feature monitors the external diode/transistor and determines the optimum sensor settings for accurate temperature measurements regardless of processor technology. This frees the user from providing unique sensor configurations for each temperature monitoring application. These advanced features plus ±1°C measurement accuracy for both external and internal diode temperatures provide a low-cost, highly flexible and accurate solution for critical temperature monitoring applications. Package Types 1 2 3 4 8 7 6 5 EP 9 VDD DP1 DN1 THERM/ADDR SMCLK SMDATA ALERT/THERM2 GND MCP9902 2 x 2 WDFN* 1 2 3 4 10 9 8 7 EP 11 VDD DP1 DN1 DP2 SMCLK SMDATA ALERT/THERM2 THERM/ADDR 5 6 DN2 GND MCP9903 3x3 VDFN* 1 2 3 4 10 9 8 7 EP 11 VDD DP1 DN1 DP2/DN3 SMCLK SMDATA ALERT/THERM2 THERM/ADDR 5 6 DN2/DP3 GND MCP9904 3 x 3 VDFN* * Includes Exposed Thermal Pad (EP); see Table 3-1. Multi-Channel Low-Temperature Remote Diode Sensor |
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