LM75AIMME NOPB Digital Temperature Sensor Chip VSSOP-8

LM75AIM Digital Temperature Sensor Thermal Watchdog With Two Wire Interface

Board Mount Temperature Sensors Digital Temp Sensor & Thermal Watchdog

Features
• No External Components Required
• Shutdown Mode to Minimize Power Consumption
• Up to Eight LM75As can be Connected to a Single Bus
• Power up Defaults Permit Stand-Alone Operation as Thermostat

• Key Specifications:

– Supply Voltage

– LM75A: 2.7 V to 5.5 V

– Supply Current

– Operating: 280 μA (Typical)

– Shutdown: 4 μA (Typical)

– Temperature Accuracy

– 25°C to 100°C: ±2°C (Max)

– 55°C to 125°C: ±3°C (Max)

Applications

• General System Thermal Management

• Communications Infrastructure

• Electronic Test Equipment

• Environmental Monitoring

Description

The LM75A is an industry-standard digital temperature sensor with an integrated sigma-delta analog-to-digital converter (ADC) and I 2C interface.

The LM75A provides 9-bit digital temperature readings with an accuracy of ±2°C from –25°C to 100°C and ±3°C over –55°C to 125°C.

The LM75A operates with a single supply from 2.7 V to 5.5 V. Communication is accomplished over a 2-wire interface which operates up to 400 kHz. The LM75A has three address pins, allowing up to eight LM75A devices to operate on the same 2-wire bus.

The LM75A has a dedicated overtemperature output (O.S.) with programmable limit and hysteresis. This output has programmable fault tolerance, which lets the user to define the number of consecutive error conditions that must occur before O.S. is activated.

The wide temperature and supply range and I 2 – 25°C to 100°C: ±2°C (Max) C interface make the LM75A ideal for a number of applications including base stations, electronic test equipment, office electronics, personal computers, and any other system in which thermal management is critical to performance. The LM75A is available in an SOIC-8 package and an VSSOP-8 package.

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