MCP9984T-AE/E3VAO

MCP9984T-AE/E3VAO is a high-accuracy, low-cost, 2-wire communication protocol (I²C/SMBus) temperature sensor. It can monitor 4 temperature channels. Advanced features such as resistance error correction (REC), beta compensation (to support CPU diodes requiring the BJT/transistor model) and automatic diode type detection combine to provide a robust solution for complex environmental monitoring applications. Resistance error correction automatically eliminates the temperature error caused by series resistance allowing greater flexibility in routing thermal diodes. Beta compensation eliminates temperature errors caused by low, variable beta transistors common in today's fine geometry processors. The automatic beta detection feature monitors the external diode/transistor and determines the optimum sensor settings for accurate temperature measurements regardless of processor technology.

• VDD supply voltage range from 1.7V to 3.6V
• Supply current is 40µA typ at (0.0625 conversions/second, dynamic averaging disabled)
• Standby supply current is 30µA typ at (-40°C TA +125°C)
• Temperature accuracy is ±0.2°C typ at (+20C < TA < +85°C, VDD = 3.3V)
• Leakage current is ±5µA maximum at (-40°C TA +125°C)
• Input current is ±5µA max at (SDA and SCL pins only)
• Capacitance is 5pF typ at (-40°C TA +125°C)
• Clock frequency is 1000KHz max at (1.7V < VDD < 3.6V)
• Temperature range from -40°C to +125°C
• 8-lead plastic micro small outline package