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
