LM95245

LM95245 www.ti.com SNIS148G – OCTOBER 2007 – REVISED MARCH 2013 Precision Remote Diode Digital Temperature Sensor with TruTherm® BJT Beta Compensation Technology for 45nm Process Check for Samples: LM95245 FEATURES 1 2 Remote and Local Temperature Channels Targeted for Intel 45nm Processor Diodes Two Formats: −128°C to +127.875°C and 0°C to 255.875°C Digital Filter for Remote Channel Programmable TCRIT and OS Thresholds Programmable Shared Hysteresis Register Diode Fault Detection Mask, Offset, and Status Registers SMBus 2.0 Compatible Interface, Supports TIMEOUT Programmable Conversion Rate for Best Power Consumption Three-Level Address Pin Standby Mode One-Shot Conversion Control Pin-for-Pin Compatible With the LM95235 and LM86, LM89, LM99 8-Pin VSSOP and SOIC Packages APPLICATIONS Processor/Computer System Thermal Management (For Example, Laptops, Desktops, Workstations, Servers) Electronic Test Equipment Office Electronics KEY SPECIFICATIONS Supply Voltage 3.0 to 3.6 V Supply Current, Conv. Rate = 1 Hz 350 µA (typ) Remote Diode Temperature Accuracy – TA = 25°C to 85°C; TD = 50°C to 105°C, ±0.75 °C (max) – TA = 25°C to 85°C; TD = 40°C to 125°C, ±1.5 °C (max) Local Temperature Accuracy – TA = 25°C to 100°C, ±2.0 °C (max) Conversion Rate, Both Channels 16 to 0.4 Hz DESCRIPTION The LM95245 is an 11-bit digital temperature sensor with a 2-wire System Management Bus (SMBus) interface and TruTherm technology that can monitor the te...