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US20120044103 PARALLEL INTERPOLATION A/D CONVERTER AND DIGITAL EQUALIZER  
A parallel interpolation A/D converter includes a reference voltage generation circuit configured to generate (m+1) different reference voltages VR1-VRm+1, where m is a positive integer, and...
US20090153386 FLASH CONVERTER DIFFERENTIAL REFERENCE LADDER AUTO-ZERO CIRCUIT  
A differential reference ladder with an auto zero circuit that can be used as part of a flash analog to digital converter. The auto zero operation is performed relative to a common mode voltage of...
US20130044017 PIPELINE A/D CONVERTER AND A/D CONVERTING METHOD  
An A-type converter circuit compares an input voltage with multiple threshold voltages, judges which segment it belongs to, and generates first and second voltages with the input voltage segment...
US20150222238 SWITCHED CAPACITOR CIRCUITS HAVING LEVEL-SHIFTING BUFFER AMPLIFIERS, AND ASSOCIATED METHODS  
Switched capacitor circuits and charge transfer methods comprising a sampling phase and a transfer phase. Circuits and methods are implemented via a plurality of switches, a set of at least two...
US20140118175 SUCCESSIVE APPROXIMATION A/D CONVERTER  
The successive approximation A/D converter includes: switch groups 105—1 to 105—x each of which is connected to the other end of each corresponding capacitor of capacitors 106—1 to 106—x to...
US20150263745 Distributed Gain Stage for High Speed High Resolution Pipeline Analog to Digital Converters  
In an embodiment, multiple MDAC stages are coupled in parallel to form an MDAC having the desired gain and capacitor size. Each stage may include capacitors and an OTA that are much smaller than...
US20100328120 Comparator Based Asynchronous Binary Search A/D Conveter  
The present invention is related to an analog-to-digital converter circuit (1) wherein a comparator based asynchronous binary search is used. The architecture comprises a self-clocked...
US20110115662 High Speed Low Voltage Flash  
An analog-to-digital converter comprising: first and second sets of ordered nodes, each first node having a corresponding second node; for each first node, a respective first resistor and current...
US20100013684 AD converter and AD conversion method  
An exemplary object of the present invention is to achieve both of high-speed operation by parallel processing and a simple configuration by sequential comparison processing, so as to realize high...
US20100265115 AD converter  
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...
US20090309777 ANALOG SIGNAL PROCESSING DEVICE  
An analog signal processing device including a voltage selector selecting a given comparison reference voltage from plural comparison reference voltages, an arithmetic unit arithmetically...
US20080291073 PARALLEL-TYPE A/D CONVERTER  
According to one embodiment, a parallel-type A/D converter includes a reference voltage generating circuit which generates a plurality of reference voltages, a plurality of preamplifier circuits...
US20100007542 PIPELINED TYPE A/D CONVERTER  
The present invention aims to provide a pipeline type A/D converter capable of realizing low power consumption while preventing a reduction in feedback factor of an amplifier. One embodiment of...
US20090153387 ANALOG/DIGITAL CONVERTER AND INFORMATION RECORDING AND REPRODUCING APPARATUS  
The present invention provides an A/D converter includes: a plurality of comparators for comparing a plurality of respective standard voltages with an analog input value for a magnitude thereof,...
US20100328129 PIPELINE ANALOG-TO-DIGITAL CONVERTER WITH PROGRAMMABLE GAIN FUNCTION  
A pipeline analog-to-digital converter (ADC) comprises a plurality of pipeline stages is disclosed. The first pipeline stage has programmable gain function. The first pipeline stage includes a...
US20100085232 PARALLEL ANALOG-DIGITAL CONVERTER WITH DUAL STATIC LADDER  
The invention relates to fast, high resolution, analog digital converters, and more particularly those which possess at least one conversion stage of “flash” type. The converter according to the...
US20140104086 DSP RECEIVER WITH HIGH SPEED LOW BER ADC  
Methods and apparatuses are described for a DSP receiver with an analog-to-digital converter (ADC) having high speed, low BER performance with low power and area requirements. Speed is increased...
US20090207065 ANALOG TO DIGITAL CONVERTER USING SUCCESSIVE APPROXIMATION  
Disclosed is a flash analog to digital converter (ADC) capable of reducing area requirements and using successive approximation. The ADC includes a reference voltage generating unit receiving an...
US20140132437 COMPARATOR AND A/D CONVERTER  
A comparator includes: a differential amplifier of which operational state is switched in response to a clock-signal, and which outputs a first intermediate-output corresponding to a first...
US20100182185 ANALOG-TO-DIGITAL CONVERSION CIRCUIT  
An analog-to-digital conversion circuit includes a plurality of comparators and an averaging circuit. The averaging circuit is configured so that a length of a metal routing connected between...
US20110012765 COMPARATOR FOR A PIPELINED ANALOG-TO-DIGITAL CONVERTER AND RELATED SIGNAL SAMPLING METHOD  
A comparator for a pipelined ADC includes a sampling circuit coupled to a plurality of differential input voltages and a plurality of differential reference voltages, for sampling the plurality of...
US20150109160 Analog to Digital Conversion Method and Related Analog to Digital Converter  
An analog to digital conversion method includes charging a capacitor through an analog signal to sample a voltage of the analog signal; coupling the capacitor and a plurality of reference voltages...
US20100097260 ANALOG-TO-DIGITAL CONVERTER  
An analog-to-digital converter includes a first preamplifier receiving a first reference voltage and an input signal, a second preamplifier receiving a second reference voltage and the input...
US20120139764 Continuous Time Sigma-Delta ADC with Embedded Low-Pass Filter  
A filtering analog to digital converter (ADC) includes an integrator receiving at its input an analog input signal. A filtering capacitor at the input of the integrator filters out a large portion...
US20100176983 ANALOG-TO-DIGITAL CONVERTER CIRCUIT  
An analog-to-digital converter circuit includes: a capacitor array including a plurality of first capacitors, each having a first terminal connecting to a common node and having a capacitance...
US20110001039 A/D CONVERTER CIRCUIT AND SOLID-STATE IMAGING DEVICE  
Provided are a solid-state imaging device and A/D converter circuit comprising: series-connected capacitative elements; a voltage comparator circuit comparing the output of the capacitative...
US20100194619 ADC WITH LOW-POWER SAMPLING  
An apparatus for analog-to-digital conversion using successive approximation is provided, which is adapted to be supplied with a single ended supply voltage. The device includes: a first...
US20120206281 SELF-HEALING ANALOG-TO-DIGITAL CONVERTERS WITH BACKGROUND CALIBRATION  
Calibration of an analog-to-digital converter (ADC) is accomplished via a reference comparator, a first and second multiplexer (MUX), and a finite state machine (FSM). By sampling an analog input...
US20110248876 ANALOG-TO-DIGITAL CONVERTER  
A parallel successive-approximation analog-to-digital converter (PSA-ADC, 10) comprises a reference-voltage generation unit and a plurality of sub ADCs, (ADC-1, . . . , ADC-M) arranged for...
US20130076551 ANALOG-TO-DIGITAL CONVERTER  
According to an embodiment, an analog-to-digital converter includes a voltage generating unit to generate comparative voltages; and comparators. Each comparator compares any one of the comparative...
US20100127911 ANALOG DIGITAL CONVERTER  
In one aspect, provided is an A/D converter including: a plurality of capacitor networks each including a first switch group; a capacitor group; a second switch group; and a plurality of reference...
US20100060501 RAIL TO RAIL FLASH  
An analogue to digital converter comprising: a first set comprising nodes defined by circuitry such that each node is at a respective voltage, the voltages on the nodes being in an orderly...
US20110181454 FOLDING ANALOG-TO-DIGITAL CONVERTER  
A folding analog-to-digital converter (ADC) is disclosed. The folding ADC includes a reference voltage generating unit generating a plurality of reference voltages, a low power analog...
US20130201048 SIGNAL INTERPOLATION DEVICE AND PARALLEL A/D CONVERTING DEVICE  
There is provided a signal interpolation device, including: a first amplifier to generate a first signal representing a difference between an input signal and a first reference voltage; a second...
US20120133539 Comparator Circuit  
An analog-to-digital converter includes a comparator configured to receive a first input signal and a second input signal, in which at least one of the input signals is received between two...
US20110285569 A/D Converter with Compressed Full-Scale Range  
An embodiment of an analog-to-digital converter system is described wherein an analog voltage signal Vin(t) is provided by an input amplifier. The analog signal Vin(t) has a predetermined...
US20100271249 INTERPOLATING A/D CONVERTER  
Provided is an interpolating A/D converter including a reference voltage generation circuit, an analog signal input circuit, a preamplifier group including a plurality of preamplifiers, and an...
US20110291868 Method for detecting errors of an A/D converter  
A method for detecting errors of an A/D converter which is designed for converting an analog input signal into a digital output signal. The digital output signal represents a number z which...
US20150015229 SEMICONDUCTOR INTEGRATED CIRCUIT  
A feedback loop, which feedbacks information of an output voltage or a load current, is provided. The feedback loop has a first mode, which digitalizes and feedbacks the information of the current...
US20120112946 RESOLUTION ENHANCING ANALOG-TO-DIGITAL CONVERSION  
A resolution-enhancing analog-to-digital signal conversion circuit is provided. The circuit includes a plurality of analog-to-digital converters arranged in parallel. Each analog-to-digital...
US20100194620 ANALOG/DIGITAL CONVERTER  
An A/D converter includes a plurality of comparators that performs sampling of a plurality of reference voltages and analog input signals during a sampling time, and compares each of the plurality...
US20100194618 ANALOG-TO-DIGITAL CONVERTER, OPTICAL DISK REPRODUCTION DEVICE, AND RECEIVER DEVICE  
A plurality of comparators (CMP1, CMP2, . . . ) respectively correspond to a plurality of reference voltages (V1, V2, . . . ), and each compares a reference voltage corresponding to the...
US20100134337 ANALOG-DIGITAL CONVERSION CELL AND ANALOG-DIGITAL CONVERTER  
There is provided an analog-digital conversion cell being an analog-digital conversion cell that performs an N-bit analog-digital conversion (where N is a natural number) and including: a...
US20100117879 A/D CONVERTER AND A/D CONVERSION METHOD  
An A/D converter which converts an analog input signal into a digital output signal by performing time-divisional parallel processings on the analog input signal using first and second pipeline...
US20160294406 COMPARATOR, AD CONVERTER, AND WIRELESS COMMUNICATION DEVICE  
According to an embodiment, a comparator includes a first transistor, a second transistor, an output stage, and a node group. The first transistor is configured to operate when a first voltage...
US20160118992 COMPARATOR CIRCUITS WITH LOCAL RAMP BUFFERING FOR A COLUMN-PARALLEL SINGLE-SLOPE ADC  
A comparator circuit suitable for use in a column-parallel single-slope analog-to-digital converter comprises a comparator, an input voltage sampling switch, a sampling capacitor arranged to store...
US20160006447 ESTIMATION OF IMPERFECTIONS OF A TIME-INTERLEAVED ANALOG-TO-DIGITAL CONVERTER  
A method of operating a time-interleaved analog-to-digital converter for conversion of an analog input signal to a digital output signal having a sample rate R comprises, for each of at least some...
US20120206287 Analog-to-Digital Converter  
An analog-to-digital converter includes an input terminal, a first comparator, a first output terminal, a second comparator, and a second output terminal. The first comparator generates a first...
US20110018752 FLASH A/D CONVERTER, FLASH A/D CONVERSION MODULE, AND DELTA-SIGMA A/D CONVERTER  
In a flash A/D converter, a predictor predicts next analog input data based on a digital output signal from an A/D converter, and outputs prediction data. Based on the prediction data from the...
US20110012771 FLASH ANALOG-TO-DIGITAL CONVERTER  
An analog-to-digital converter comprises a signal input (6) for receiving an analog input signal and a set of comparators (4). Each comparator (4) has a first input (21) connected to the signal...

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