Patents in Class 341/163

Matches 1 - 50 out of 212

1 2 3 4 5 >

Match	Document	Document Title
1	7623056	Photoelectric conversion apparatus Providing a configuration that, when an AD converter is provided for each of pixel columns, enables each of the elements to be arranged without increasing the element arrangement pitch. A...
2	7609184	D-A convert apparatus and A-D convert apparatus Provided is a D-A conversion apparatus that outputs an analog output voltage according to digital input data, which includes a capacitance array main D-A converter that supplies a main voltage...
3	7605741	Digitally corrected SAR converter including a correction DAC An analog to digital converter having improved differential non-linearity is provided. The converter has a memory which is used to look up the actual weight or a weight error corresponding to the...
4	7595748	Method of gain error calibration in a pipelined analog-to-digital converter or a cyclic analog-to-digital converter The invention provides a method of gain error calibration in a pipelined analog-to-digital converter (ADC). In one embodiment, a first stage and a second stage of the pipelined ADC share a common...
5	7589659	Successive approximation analog to digital converter A successive approximation analog to digital converter comprising a plurality of capacitors which during a successive approximation conversion are selectively connectable to a first reference or a...
6	7579975	DAC architecture for an ADC pipeline A residue block in a stage of a pipeline ADC processing differential signals contains multiple pairs of capacitors. During a hold phase of operation, one capacitor of a pair is connected to a...
7	7576678	Successive approximation analog/digital converter and associated integrated component and conversion method A successive approximation analog/digital converter is provided, which includes a successive approximation register supplying a digital/analog converter, first means of comparing an input signal of...
8	7495596	Multi-channel pipelined signal converter A signal converter such as a multi-channel pipelined signal converter includes a plurality of pipelined signal converters and a decision unit. Each of the pipelined signal converters has a...
9	7486218	Cyclic analog-to-digital converter An A/D converter includes an A/D conversion circuit, a multiplying D/A converter, a switch circuit, and a control circuit. The control circuit prevents an A/D output of the A/D conversion circuit...
10	7474238	Analog-to-digital converter An A-D converter includes a group of resistors, a group of comparators, an encoder and an output unit. The output unit includes a correction circuit. An inverter constitutes the correction circuit....
11	7443333	Single stage cyclic analog to digital converter with variable resolution A converter ( 200 ) adapted to convert an analog input signal into a digital output signal includes an analog input terminal ( 205 ) for receiving the analog input signal, a Redundant Signed Digit...
12	7439898	Parallel digital processing for reducing delay in SAR ADC logic The analog-to-digital for converter (ADC) for converting an analog value into a digital equivalent using a parallel digital data path is disclosed. In one example embodiment, the ADC includes a...
13	7432844	Differential input successive approximation analog to digital converter with common mode rejection A Successive Approximation Routine converter is provided in which a comparator is responsive to an output of a first Digital to Analog Converter, and an output of a second Digital to Analog...
14	7414562	Analog-to-digital conversion using asynchronous current-mode cyclic comparison An asynchronous cyclic current-mode analog-to-digital converter (ADC) is disclosed. The ADC comprises a plurality of sub-ADCs cascading from the first stage to the last stage, each sub-ADC...
15	7391354	Semiconductor integrated circuit One input terminals of switches respectively coupled to capacitors of a capacitance array type D/A converter configured as a main DAC are coupled to a first external terminal of an IC. On the other...
16	7385547	Minimized differential SAR-type column-wide ADC for CMOS image sensors An analog-to-digital converter comprising a minimal amount of circuitry for conversion of an input analog signal to a series of digital bits. A differential comparator is provided for generating...
17	7382308	Reference buffer using current mirrors and source followers to generate reference voltages A reference buffer includes a first current mirror, a second current mirror, a first source follower coupled in series to a branch of the first current mirror and receiving a first initial...
18	7382302	A/D converter with voltage generation circuits An A/D converter has a first voltage generation circuit, a second voltage generation circuit, a comparator, first and second switch circuits connected in series between an input terminal of an...
19	7372389	Analogue to digital converter, and method of analogue to digital conversion Embodiments of the invention provide an analogue to digital converter comprising a dual differential digital to analogue converter (DAC) having first and second digital inputs for first and second...
20	7342530	Successive approximation analog/digital converter A successive approximation analog/digital converter converting an analog input signal into a digital output value by means of a plurality of successive conversion cycles, comprises at least one...
21	7336214	Analog to digital converter circuit with offset reduction and image sensor using the same An image sensor may be improved by using ADCs that compensate for the effect of comparator input offset on comparator decisions. Offset compensation may be implemented in an ADC by using an...
22	7330145	Dual residue pipelined analog-to-digital converter Consistent with an example embodiment, there is dual residue pipelined AD converter comprising a cascade of, preferably balanced, switched capacitor dual residue converter stages for producing from...
23	7330146	Minimized SAR-type column-wide ADC for image sensors An improved analog-to-digital converter wherein a minimal amount of circuitry is provided for conversion of an analog signal to a series of digital bits. A comparator is provided for generating...
24	7271758	Gain adjust for SAR ADC A SAR analog-to-digital Converter (ADC) is disclosed with variable gain having a SAR capacitor array with a plurality of switched capacitors therein with varying weights and a SAR controller for...
25	7265707	Successive approximation type A/D converter An A/D converter of an successive approximation type according to the present invention comprises a sample hold circuit, a reference voltage generating circuit, a comparator for comparing the...
26	7259708	Cyclic pipeline analog to digital converter with enhanced accuracy A cyclic pipeline analog to digital converter includes a sample/hold module, a sub-analog/digital converting module, and an alternate digital/analog converting module. The sample/hold module...
27	7250896	Method for pipelining analog-to-digital conversion and a pipelining analog-to-digital converter with successive approximation A method for pipelining an analog-to-digital conversion of an analog input signal into an N-bit digital output signal is disclosed where a multiplexer is used for the selection of pre-processed...
28	7248199	Analog-to-digital converter In an analog-to-digital (A-D) converter, an A-D conversion circuit samples an analog signal and converts it to a digital value of a predetermined bit number less than a targeted bit number. An...
29	7239255	Correcting charge transfer inefficiency in a charge coupled analog to digital converter A technique for correcting charge transfer inefficiencies in a Charge Coupled Device (CCD). The basic approach is to estimate the charge entering at a given stage in a CCD pipeline, and to then...
30	7233276	Pipelined analog to digital converter with capacitor mismatch compensation In a pipelined analog to digital converter with multiple stages of sub-converters, capacitor mismatch error can be reduced by splitting the capacitors into multiple numbers and randomly selecting...
31	7218259	Analog-to-digital converter with signal-to-noise ratio enhancement A method of operating a digital to analog converter comprising the steps of operating the converter in a first mode to obtain a first conversion result, operating the converter in a correction mode...
32	7212143	Circuit for selectively analog signals into digital codes A circuit for selectively converting at least one analog signal into corresponding digital codes. The circuit includes a management block having a plurality of inputs, each adapted for receiving a...
33	7209069	Successive approximation analog-to-digital converter with current steered digital-to-analog converter A successive approximation Analog-to-Digital Converter (“ADC”) having a successive approximation controller operably coupled to convert a control signal into a digital output of the successive...
34	7205921	Hybrid analog-to-digital converter In general, in one aspect, the disclosure describes a hybrid analog-to-digital converter. The hybrid converter comprises a successive approximation analog-to-digital converter for receiving an...
35	7199745	Successive approximation A/D converter provided with a sample-hold amplifier A successive approximation A/D converter includes a sample-hold amplifier circuit configured to sample and hold an input analog voltage to produce an internal analog voltage proportional to the...
36	7187319	Bulk-compensated sampling network for wide range of signals A sampling network comprises analog comparator for comparing an analog voltage to a plurality of successive voltage inputs. A plurality of capacitors are connected in parallel with a first end of...
37	7173557	Analog/digital converter An A/D converter for converting an analog input into a binary-encoded word includes a bit-weight memory storing bit weights that include maximum, mimimum, and medium weights. During a conversion...
38	7158070	Analog-to-digital converter capable of performing self-test While transforming an analog input voltage into a digital signal including several bits, an analog-to-digital converter including a built-in self test (BIST) circuit is used for performing the...
39	7151475	Minimized differential SAR-type column-wide ADC for CMOS image sensors An analog-to-digital converter comprising a minimal amount of circuitry for conversion of an input analog signal to a series of digital bits. A differential comparator is provided for generating...
40	7129882	Successive approximation ad converter having pulse noise suppression A successive approximation AD converter. A voltage comparator receives an analog input signal and a reference voltage. A successive approximation register receives the voltage comparator output,...
41	7119730	Analog-to-digital converter for programmable logic Digital-to-analog and analog-to-digital conversion are implemented in or using programmable logic. The DAC and ADC circuits may be hardwired in a programmable logic integrated circuit or may be...
42	7106237	Low consumption and low noise analog-digital converter of the SAR type and method of employing it The described converter comprises switched-capacitor quantization means for receiving an analog quantity to be converted, a register for a digital quantity corresponding to the analog quantity, a...
43	7106240	Analogue to digital converter An analogue to digital converter (ADC) of the recirculating type is described. In one embodiment, the ADC is composed of three storage and residual determination units, which, in cooperation with...
44	7102560	Analog to digital converter having an input switching network responsive to a digital output signal A cyclic analog to digital converter (ADC) circuit operates to convert an analog input voltage into a digital output word. The ADC circuit includes an amplifier and capacitors configured as an...
45	7095352	Analog-to-digital converter including a plurality of amplifier circuits An AD converter includes therein a plurality of amplifier circuits such as first to fourth amplifier circuits. Among the plurality of amplifier circuits an amplifier circuit that requires higher...
46	7084803	Analog-digital conversion method and analog-digital converter A first amplifier circuit amplifies an input signal by a factor of α. A first AD converter circuit is configured at an LSB voltage of VA and converts an input analog signal into a digital value of...
47	7053810	Successive approximation analog/digital converter with reduced chip area A successive approximation A/D converter includes first and second S/H and comparators sampling and holding first and second external analog input voltages simultaneously and comparing the held,...
48	7015852	Cyclic analog-to-digital converter A method and apparatus are provided for reducing the size and power of cyclic analog-to-digital converter (ADC) conversion circuits. During each cycle, the ADC conversion circuit generates a...
49	7002507	Pipelined and cyclic analog-to-digital converters A need exists to provide an AD converter which is well balanced between an increase in processing speed and a decrease in circuit area. The AD converter performs an analog-to-digital conversion...
50	6995703	Analog-to-digital converting circuit and image processing circuit cyclically repeating AD conversion A first AD converting part of an AD converter converts an input voltage into a digital value of a predetermined number of bits and output the digital value to a digital output circuit and a DA...

Matches 1 - 50 out of 212

1 2 3 4 5 >