產(chǎn)品介紹
Product index
The LM75B is a temperature-to-digital converter using an on-chip band gap temperature
sensor and Sigma-Delta A-to-D conversion technique with an overtemperature detection
output. The LM75B 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 Section 7 “Functional description”; temperature
register (Temp) to store the digital temp reading, and set-point registers (Tos and Thyst) to
store programmable overtemperature shutdown and hysteresis limits, that can be
communicated by a controller via the 2-wire serial I2C-bus interface. The device also
includes an open-drain output (OS) which becomes active when the temperature exceeds
the programmed limits. There are three selectable logic address pins so that eight devices
can be connected on the same bus without address conflict.
訂購(gòu)信息
ordering information
典型應(yīng)用電路原理圖
Typical application circuit schematic diagram
產(chǎn)品特性
Product characteristics
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Power supply range from 2.8 V to 5.5 V
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Programmable temperature threshold and hysteresis set points
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Stand-alone operation as thermostat at power-up
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Latch-up testing is done to JEDEC Standard JESD78 which exceeds 100 mA
應(yīng)用范圍
Scope of application
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