TW200633509A - Analog-to-digital conversion method, analog-to-digital converter, semiconductor device for detecting distribution of physical quantity, and electronic apparatus - Google Patents
Analog-to-digital conversion method, analog-to-digital converter, semiconductor device for detecting distribution of physical quantity, and electronic apparatusInfo
- Publication number
- TW200633509A TW200633509A TW094138912A TW94138912A TW200633509A TW 200633509 A TW200633509 A TW 200633509A TW 094138912 A TW094138912 A TW 094138912A TW 94138912 A TW94138912 A TW 94138912A TW 200633509 A TW200633509 A TW 200633509A
- Authority
- TW
- Taiwan
- Prior art keywords
- analog
- signal
- conversion method
- semiconductor device
- electronic apparatus
- Prior art date
Links
- 238000000034 method Methods 0.000 title abstract 4
- 238000006243 chemical reaction Methods 0.000 title abstract 3
- 239000004065 semiconductor Substances 0.000 title 1
Classifications
-
- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04N—PICTORIAL COMMUNICATION, e.g. TELEVISION
- H04N25/00—Circuitry of solid-state image sensors [SSIS]; Control thereof
- H04N25/60—Noise processing, e.g. detecting, correcting, reducing or removing noise
- H04N25/616—Noise processing, e.g. detecting, correcting, reducing or removing noise involving a correlated sampling function, e.g. correlated double sampling [CDS] or triple sampling
Landscapes
- Engineering & Computer Science (AREA)
- Multimedia (AREA)
- Signal Processing (AREA)
- Analogue/Digital Conversion (AREA)
- Transforming Light Signals Into Electric Signals (AREA)
- Measurement Of Current Or Voltage (AREA)
Abstract
In an analog-to-digital conversion method for converting a difference signal component representing a difference between a reference component and a signal component in an analog signal to be processed into digital data, in a first process, a signal corresponding to one of the reference component and the signal component is compared with a reference signal for conversion into the digital data. Concurrently with the comparison, counting is performed in one of a down-count mode and an up-count mode, and a count value at a time of completion of the comparison is held. In a second process, a signal corresponding to the other one of the reference component and the signal component is compared with the reference signal. Concurrently with the comparison, counting is performed in the other one of the down-count mode and the up-count mode, and a count value at a time of completion of the comparison is held.
Applications Claiming Priority (3)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
JP2004045942 | 2004-02-23 | ||
JP2004110866 | 2004-04-05 | ||
JP2004323432A JP4470700B2 (en) | 2004-02-23 | 2004-11-08 | AD conversion method, AD converter, semiconductor device for detecting physical quantity distribution, and electronic apparatus |
Publications (2)
Publication Number | Publication Date |
---|---|
TW200633509A true TW200633509A (en) | 2006-09-16 |
TWI286904B TWI286904B (en) | 2007-09-11 |
Family
ID=35470233
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
TW094138912A TWI286904B (en) | 2004-02-23 | 2005-11-07 | Analog-to-digital conversion method, analog-to-digital converter, semiconductor device for detecting distribution of physical quantity, and electronic apparatus |
Country Status (2)
Country | Link |
---|---|
JP (1) | JP4470700B2 (en) |
TW (1) | TWI286904B (en) |
Cited By (1)
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-
2004
- 2004-11-08 JP JP2004323432A patent/JP4470700B2/en active Active
-
2005
- 2005-11-07 TW TW094138912A patent/TWI286904B/en not_active IP Right Cessation
Cited By (1)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
TWI392354B (en) * | 2007-09-28 | 2013-04-01 | Sony Corp | A / D conversion circuit, solid-state imaging element, and camera system |
Also Published As
Publication number | Publication date |
---|---|
JP2005323331A (en) | 2005-11-17 |
JP4470700B2 (en) | 2010-06-02 |
TWI286904B (en) | 2007-09-11 |
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