ADT75 Datasheet | Analog Devices

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-patible interface Operation from - 55°C to +125°C Operation from 2.7 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-lead MSOP in Pb-Sn and Pb-free packages Standard 8-lead SOIC Pb-free package APPLICATIONS Isolated sensors Environmental control systems puter 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 2.7 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. TEMPERATURE SENSOR REFERENCE CLK AND TIMING GENERATION A0 7 A1 6 A2 5 FUNCTIONAL BLOCK DIAGRAM DECIMATOR VDD 8 12-BIT LPF 1-BIT + DIGITAL PARATOR 3 OS/ALERT TEMPERATURE SENSOR REGISTER - Σ-Δ 1-BIT DAC CONFIGURATION REGISTER THYST SETPOINT REGISTER POINTER REGISTER SMBus/I2C INTERFACE 4 GND Figure 1. TOS SETPOINT REGISTER 1 SDA 2 SCL 05326-001 Rev. B Information furnished by Analog Devices is believed to be accurate and reliable. However, no responsibility is assumed by Analog Devices for its use, nor for any infringements of patents or other rights of third parties that may result from its use. Specifications subject to change without notice. No license is granted by implication or otherwise under any patent or patent rights of Analog Devices. Trademarks and registered trademarks are the property of their respective owners. One Technology Way, P.O. Box 9106, Norwood, MA 02062-9106, U.S.A. Tel: 781.329.4700 .analog....