SGM90810.pdf• True 12-Bit Sigma-Delta ADC Core
• Power Supply Range: 3V to 5.5V
• Total Unadjusted Error: ±0.16%
• ±1 LSB INL and ±1 LSB DNL
• Operating Current: 0.25mA
• Deep Shutdown Current: 15µA
• Temperature Resolution: 0.5℃/LSB
• Temperature Accuracy:
-40℃ to +125℃: ±2℃ (MAX)
• Configurable Single-Ended and/or Pseudo-Diff.
Inputs
• Selectable Internal 2.56V VREF or External VREF
• Digital Comparators for Each Channel
• Interrupt Pin nINT for Generating Alarm Signal
• I2C Serial Bus Interface Compatibility with 9
Selectable Addresses
• Time-Out Reset Feature for I2C interface
• Separate Channel Shutdown and Whole Chip
Deep Shutdown Mode to Minimize Power
Consumption
• Available in a Green TSSOP-16 Package
• 12-Bit Resolution Delta-Sigma ADC
• Local Temperature Sensing
• Configurable Single-Ended and/or Pseudo-Diff. Inputs
• 2.56-V Internal VREF or Variable External VREF
• WATCHDOG Window Comparators with Status and
Mask Registers of All Measured Values
• Independent Registers for Storing Measured Values
• INT Output Notifies Microprocessor of Error Event
• I2C Serial Bus Interface Compatibility
• 9 Selectable Addresses
• TIME-OUT Reset Function to Prevent I2C Bus Lock-Up
• Individual Channel Shutdown to Limit Power Consumption
• Deep Shutdown Mode to Minimize Power Consumption
• TSSOP 16-Lead Package
• Key Specifications
• ADC Resolution 12-Bit
• Supply Voltage Range 3 V to 5.5 V
• Total Unadjusted Error –0.45%/+0.2%
• Integral Non-Linearity ±1 LSb
• Differential Non-Linearity ±1 LSb
• Operating Current 0.56 mA
• Deep Shutdown Current 10 ±A
• Temperature Resolution °C/LSb
• Temperature Accuracy (–40°C to 125°C) ±3°C
• Temperature Accuracy (–25°C to 100°C) ±2°C
