1.8V to 5.5V, Single Digital Supply Operation Internal Charge Pump for Analog Circuits (2.7V to 5.5V) 12-Bit SAR ADC 12-Bits, TBDksps, No Missing Codes 16-Bits, TBDksps, DSP Mode 16-Word FIFO and 20-Bit Accumulator PGA with Gains of 1, 2, 4, and 8 Unipolar and Bipolar Modes Independent Voltage References for ADC Internal 2.5V Internal Reference Adjustable Reference Buffers Provide 1.25V, 2.048V, or 2.5V System Support ADC Alarm Register Internal/External Temperature Sensor Internal Oscillator with Clock I/O Digital Programmable I/O Analog Programmable I/O Programmable Interrupts Ability to Measure Supply Voltage Programmable Dual Voltage Monitors SPI™/QSP™/MICROWIRE™-Compatible, 4-Wire Serial Interface Space-Saving, 40-Pin, 6mm x 6mm Thin QFN Package
- Battery-Powered and Portable Devices
- Data Acquisition Systems
- Electrochemical and Optical Sensors
- Low-Cost CODECs
- Medical Instruments
The MAX1331 is a smart data-acquisition system based on a SAR ADC. It is highly integrated offering an ADC, operational amplifiers, voltage reference, temperature sensors, and analog switches all on the same device.