LM75A PDF Datasheet


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Description

This is Digital temperature sensor and thermal Watchdog. INTEGRATED CIRCUITS LM75A Digital temperature sensor and thermal Watchdog™ Product data sheet Supersedes data of 2001 Jul 16 2004 Oct 05 Philips Semiconductors Philips Semiconductors Product data sheet Digital temperature sensor and thermal Watchdog™ LM75A GENERAL DESCRIPTION The LM75A is a temperature-to-digital converter using an on-chip band-gap temperature sensor and Sigma-delta A-to-D conversion technique. The device is also a thermal detector providing an over-temp detection output. The LM75A contains a number of data registers: Configuration register (Conf) to store the device settings such as device operation mode, OS operation mode, OS polarity and OS fault queue as described in the functional description section; temperature register (Temp) to store the digital temp reading, and set-point registers (Tos & Thyst) to store programmable overtemp shutdown and hysteresis limits, that can be communicated by a controller via the 2-wire serial I2C-bus inte.