Overview
The MAX6018 is a precision, low-voltage, low-dropout, micropower voltage reference in a SOT23 package. This three-terminal reference operates from the VOUT + 200mV to 5.5V input voltage range and is available in 1.2V, 1.6V, 1.8V, 2.048V output voltage options.
The MAX6018 voltage reference supply current is less than 5μA (max) and can sink or sink up to 1mA of load current. The traditional parallel mode (2-terminal) reference source consumes a large supply current and requires an external resistor. The MAX6018 family of devices differs in that the supply current is essentially independent of the supply voltage (only 0.1μA/V due to voltage variations) and does not require External resistance. The MAX6018 features 0.2% (Class A) and 0.4% (Class B) initial accuracy with a temperature drift of 50ppm/°C (max). Low dropout voltage and ultra-low supply voltage independent of supply voltage make this device ideal for applications such as voltage sensing of 2-cell alkaline batteries. The MAX6018 is available in a small 3-pin SOT23 package.
Features ultra low supply current: 5μA (max)
1.8V input can be used in an ultra-small, 3-pin SOT23 package with initial accuracy of ±1.6% (max)
Low temperature drift: 50ppm/°C (max)
200mV low dropout voltage load regulation (1mA source current): 700μV/mA (max)
Input regulation (VOUT + 200mV) to 5.5V: 250μV/V (max)
4 output voltage options: 1.2V, 1.6V, 1.8V, 2.048V
Application Battery-Powered Applications Data Acquisition Handheld Devices Industrial and Process Control Systems
2-cell battery powered system
MAX6018 Typical Application Circuit
The above is part of the content, see the PDF data manual for more details!
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