Curvature-compensated BiCMOS bandgap with 1-V supply voltage
نویسندگان
چکیده
منابع مشابه
CMOS Bandgap Voltage Reference With 1.8-V Power Supply
To overcome the limitation of the silicon energy gap in electron volts 1.2V wluch leads to tllat the voltage reference is fixed at about 1.2V. a design of current-mode (CM) architecture CMOS bandgap voltage reference with afiitnry voltage value by setting tlie resistor value is presented liere with Ion 1.8-V power supply. Tlie siniiilation results indicate a temperature coefficient (TC) of jppm...
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In this report a current mode bandgap with a temperature coefficient of 3 ppm for the range from -117◦C to 144◦C is presented. 2nd order curvature compensation is used by using a third BJT with a temperature constant current and a second error amplifier to get a nonlinear temperature coefficient current in extra to enhance the accuracy. The required minimum supply voltage is 1.3V for 3ppm and 1...
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The design of bandgap-based voltage references in digital CMOS raises several design difficulties, as the supply voltage is lower than the silicon bandgap in electron volts, i.e., 1.2 V. A current-mode architecture is used in order to address the main issues posed by the low supply, but the implementation of the operational amplifier and of dedicated startup circuits deserves some attention. Ev...
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ژورنال
عنوان ژورنال: IEEE Journal of Solid-State Circuits
سال: 2001
ISSN: 0018-9200
DOI: 10.1109/4.933463