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ADT75BRMZ-REEL Datasheet(PDF) 1 Page - Analog Devices |
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ADT75BRMZ-REEL Datasheet(HTML) 1 Page - Analog Devices |
1 / 24 page ±1°C Accurate, 12-Bit Digital Temperature Sensor ADT75 Rev. 0 Information furnished by Analog Devices is believed to be accurate and reliable. However, no responsibilityis assumedbyAnalogDevicesforitsuse,norforanyinfringements of patents or other rightsofthirdpartiesthatmayresultfromitsuse.Specificationssubjecttochangewithoutnotice.No license is granted by implication or otherwise under any patent or patent rights of Analog Devices. Trademarksandregisteredtrademarksarethepropertyoftheirrespectiveowners. One Technology Way, P.O. Box 9106, Norwood, MA 02062-9106, U.S.A. Tel: 781.329.4700 www.analog.com Fax: 781.461.3113 © 2005 Analog Devices, Inc. All rights reserved. FEATURES 12-bit temperature-to-digital converter B grade accuracy ±1.0°C from 0°C to 70°C A grade accuracy ±2.0°C from –25°C to +100°C SMBus/I2C-compatible interface Operation from −55°C to +125°C Operation from 3 V to 5.5 V Overtemperature indicator Shutdown mode for low power consumption Power consumption 79 μW typically at 3.3 V Small, low cost 8-pin MSOP in Pb-Sn and Pb-free packages Standard 8-pin SOIC Pb-free package APPLICATIONS Isolated sensors Environmental control systems Computer thermal monitoring Thermal protection Industrial process control Power-system monitors Hand-held applications PRODUCT HIGHLIGHTS 1. On-chip temperature sensor allows an accurate measurement of the ambient temperature. The measurable temperature range is −55°C to +125°C. 2. Supply voltage is 3.0 V to 5.5 V. 3. Space-saving, 8-lead MSOP and 8-lead SOIC. 4. Temperature accuracy is ±1°C maximum. 5. Temperature resolution is 0.0625°C. 6. Shutdown mode reduces the current consumption to 3 μA typical. 7. Connect up to eight ADT75s to a single SMBus/I2C bus. FUNCTIONAL BLOCK DIAGRAM CLK AND TIMING GENERATION 3 8 1 LPF Σ-Δ DIGITAL COMPARATOR OS/ALERT VDD 8 GND SDA SCL A2 A1 A0 TEMPERATURE SENSOR TEMPERATURE SENSOR REGISTER CONFIGURATION REGISTER THYST SETPOINT REGISTER TOS SETPOINT REGISTER POINTER REGISTER SMBus/I2C INTERFACE 1-BIT 12-BIT DECIMATOR 1-BIT DAC REFERENCE + – 2 7 5 6 Figure 1. |
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