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US 8,106,806 B2Granted
AD converter
AssigneeSony Corporation
InventorsJunji Toyomura, Miho Inoue
Life of this patent
Estimating the term…
Abstract
Disclosed herein is an AD converter, including, a reference voltage generator, a plurality of amplifiers, a plurality of averaging resistance elements, and a plurality of first averaging auxiliary circuits each including a first amplifier and a first resistance element.
Claims8
An analog to digital converter, comprising:
- a reference voltage generator adapted to divide a voltage difference between a first voltage and a second voltage to produce a plurality of reference voltages;
- a plurality of amplifiers adapted to amplify difference voltages between the reference voltages and a voltage of an input signal;
- a plurality of averaging resistance elements adapted to connect output terminals of said amplifiers to each other;
- and
- a plurality of first averaging auxiliary circuits each including a first amplifier for amplifying a difference voltage between a third voltage higher than the first voltage and the voltage of the input signal and a first resistance element for connecting an output terminal of that one of said amplifiers to which the first voltage is inputted as the reference voltage and an output terminal of said first amplifier.
2 more elements
An analog to digital converter, comprising:
- a reference voltage generator adapted to divide a voltage difference between a first voltage and a second voltage to produce a plurality of reference voltages;
- a plurality of amplifiers adapted to amplify difference voltages between the reference voltages and a voltage of an input signal;
- a plurality of averaging resistance elements adapted to connect output terminals of said amplifiers to each other;
- and
- a plurality of second averaging auxiliary circuits each including a second amplifier for amplifying a difference voltage between a third voltage lower than the second voltage and the voltage of the input signal and a second resistance element for connecting an output terminal of that one of said amplifiers to which the second voltage is inputted as the reference voltage and an output terminal of said second amplifier.
2 more elements
Dependencies are inferred from the claim text.