Integrated circuit and reference voltage generation circuit
First Claim
1. An integrated circuit comprising:
- a first differential buffer suitable for receiving a primary signal through a primary input terminal thereof, and receiving a secondary signal through a secondary input terminal thereof, wherein the secondary signal has a phase opposite to a phase of the primary signal;
a second differential buffer suitable for receiving a first reference voltage through primary and secondary input terminals thereof; and
an operational amplifier suitable for receiving a first common mode voltage of the primary and secondary output terminals of the first differential buffer and a second common mode voltage of the primary and secondary output terminals of the second differential buffer, to output the first reference voltage.
1 Assignment
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Accused Products
Abstract
An integrated circuit includes: a first differential buffer suitable for receiving a primary signal through a primary input terminal thereof, and receiving a secondary signal through a secondary input terminal thereof, wherein the secondary signal has a phase opposite to a phase of the primary signal; a second differential buffer suitable for receiving a first reference voltage through primary and secondary input terminals thereof; and an operational amplifier suitable for receiving a first common mode voltage of the primary and secondary output terminals of the first differential buffer and a second common mode voltage of the primary and secondary output terminals of the second differential buffer, to output the first reference voltage.
4 Citations
16 Claims
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1. An integrated circuit comprising:
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a first differential buffer suitable for receiving a primary signal through a primary input terminal thereof, and receiving a secondary signal through a secondary input terminal thereof, wherein the secondary signal has a phase opposite to a phase of the primary signal; a second differential buffer suitable for receiving a first reference voltage through primary and secondary input terminals thereof; and an operational amplifier suitable for receiving a first common mode voltage of the primary and secondary output terminals of the first differential buffer and a second common mode voltage of the primary and secondary output terminals of the second differential buffer, to output the first reference voltage. - View Dependent Claims (2, 3, 4, 5, 6, 7, 8, 9, 10, 11, 12)
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13. A reference voltage generation circuit comprising:
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a first differential buffer suitable for receiving a primary signal and a secondary signal, and outputting a first common mode voltage, wherein the secondary signal has a phase opposite to a phase of the primary signal; a second differential buffer suitable for receiving a first reference voltage through primary and secondary input terminals, and outputting a second common mode voltage; an operational amplifier suitable for comparing the first common mode voltage and the second common mode voltage to output the first reference voltage; an analog-to-digital converter (ADC) suitable for analog-to-digital converting the first reference voltage to generate a digital code; and a digital-to-analog converter (DAC) suitable for digital-analog converting the digital code to generate a second reference voltage. - View Dependent Claims (14, 15, 16)
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Specification