The CT75 is a compact, high-precision digital temperature sensor that offers ±0.5°C accuracy from 0°C to 50°C without the need for calibration. With full compatibility with SMBus, I²C and 2-wire interfaces, the CT75 is the ideal solution for HVAC systems, thermal management and mobile and IoT devices.

Features:

• supply voltage: 1.75 V - 5.5 V
• average current consumption: 3.0 µA (typ.) at 1 measurement/s
• sleep mode current consumption: 1.0 µA (typ. )
• measurement accuracy:
  • ±0.5°C (0°C - 50°C)
  • ±1°C (-20°C - 85°C)
  • ±1.5°C (-40°C - 125°C)
• resolution: 12-bit (0.0625°C)
• compliance with industry standard LM75 (with improved performance)
• digital interface: SMBus / I²C / 2-wire, up to 400 kHz
• programmable temperature thresholds (THIGH/TLOW) and ALERT mode (active H/L)
• support for SMBus Alert Response Address (ARA)
• up to 32 slave addresses can be set (via pins A0, A1, A2)
• operating temperature range: -40°C to +125°C
• Enclosures: MSOP-8 (CT75MMR), SOP-8, DFN3x3-8, DFN2x2-8A
• RoHS/REACH compliant, halogen-free versions

Applications:

• intelligent HVAC systems
• thermal management in consumer and industrial electronics
• mobile devices and IoT
• temperature monitoring in embedded systems

Why choose CT75:

• precision without calibration: guaranteed accuracy of ±0.5°C factory
• ultra-low power consumption: ideal for battery and IoT applications
• flexible addressing: up to 32 unique addresses can be defined
• small size: ideal for space-constrained applications