DS75S+

DS75S+ is a digital thermometer and thermostat that provides 9, 10, 11, or 12bit digital temperature readings. At power-up, the DS75 defaults to 9-bit resolution for software compatibility with the LM75. Communication with the DS75 is achieved via a simple 2-wire serial interface. Three address pins allow up to eight DS75 devices to operate on the same 2-wire bus, which greatly simplifies distributed temperature sensing applications. The DS75 thermostat has a dedicated open–drain output (O.S.) and programmable fault tolerance, which allows the user to define the number of consecutive error conditions that must occur before O.S is activated. There are two thermostatic operating modes that control thermostat operation based on user defined trip-points (TOS and THYST). It is used in applications such as personal computers, cellular base stations, office equipment, or any thermally sensitive system.

• Temperature measurements require no external components
• Thermometer resolution is user configurable from nine (default) to 12bits
• Data is read/written via 2-wire serial (interface (SDA and SCL pins)
• Multidrop capability simplifies distributed temperature-sensing applications
• Supply voltage range from 2.7V to 5.5V
• Thermometer error is ±2°C maximum at (-55°C to +125°C; 2.7V ≤ VDD ≤ 5.5V)
• Standby current is 1µA maximum at (-55°C to +125°C; 2.7V ≤ VDD ≤ 5.5V)
• I/O capacitance is 10pF maximum at (-55°C to +125°C; 2.7V ≤ VDD ≤ 5.5V)
• Operating temperature range from -55°C to +125°C
• 8-pin SO package

注释

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