LM75BIMX-3+

LM75BIMX-3+ is a digital temperature sensor and thermal watchdog with a 2-wire interface. This temperature sensor includes a delta-sigma analogue-to-digital converter, and a digital overtemperature detector. The host can query the LM75 through its I²C interface to read the temperature at any time. The open-drain overtemperature output (OS) sinks current when the programmable temperature limit is exceeded. The OS output operates in either of two modes, comparator or interrupt. The host controls the temperature at which the alarm is asserted (TOS) and the hysteresis temperature below which the alarm condition is not valid (THYST). Also, the LM75’s TOS and THYST registers can be read by the host. It is used in applications such as thermal system management, thermal protection, test equipment, computers and office electronics.

• I²C bus interface, register readback capability
• Power-up defaults permit stand-alone operation as a thermostat
• Supply voltage range from 3V to 5.5V, resolution is 9-bits
• Temperature conversion time is 100ms typical at (+VS = +3.0V to +5.5V)
• Quiescent supply current is 4µA typical at (+VS = +3.0V to +5.5V)
• OS output saturation voltage is 0.8V maximum at (+VS = +3.0V to +5.5V)
• Input capacitance is 20pF typical at (+VS = +3.0V to +5.5V)
• SCL clock period is 2.5µs minimum at (+VS = +3.0V to +5.5V)
• Operating temperature range from -55°C to +125°C
• 8-pin SO (SOP) package

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