GX112X

1 Features 
• Multiple device access (MDA) 
— global read/write operations 
• Temperature range: -55°C ~ +150°C 
• Temperature accuracy: ±0.5°C (-40°C ~ +125°C) 
 ±0.15°C (+30°C ~ +43°C) 
• Package: 4-Ball WLCSP 
 4-Pin MCLGA 
 4-Ball Fan out 
• Supply voltage range: 1.4V ~ 5.5V 
• Low quiescent current: 
 Normal operation: ≤5μA（1Hz） 
 ≤10μA (4Hz) 
Shutdown mode: ≤1μA 
• Resolution: 0.0625°C 
• Digital output: SMBus and I2C interface compatibility 
 
2 Applications 
• Cellphones 
• Notebook computers 
• SSD 
• Server 
• Set top box 
• Low power environment 
• Sensor 
 
3 Description 
The GX112X is a digital temperature sensor with high-accuracy, low-power, and NTC/PTC thermistor replacements. It can be used for extended temperature measurement in communication, computer, consumer electronics, environmental, industrial and instrumentation applications. The GX112X provides ≤±0.5°C temperature accuracy with good temperature linearity over the normal operating range of -40°C to +125°C. The GX112X can provide extended temperature measurement mode, extending the temperature measurement range from -55°C to +150°C. The rated working voltage range of the GX112X is 1.4V~5.5V, and the maximum quiescent current in the entire working rage is 10µA (temperature measurement frequency 4Hz). The on-chip 12-bit ADC offers resolutions down to 0.0625°C. The GX112X adopts 4-Ball wafer level package of 0.725mm × 0.725mm, is compatible with SMBus and I2C interface, supports MDA commands, and allows up to 16 devices on one bus.

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