JP2012163356A5 - - Google Patents
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- JP2012163356A5 JP2012163356A5 JP2011021761A JP2011021761A JP2012163356A5 JP 2012163356 A5 JP2012163356 A5 JP 2012163356A5 JP 2011021761 A JP2011021761 A JP 2011021761A JP 2011021761 A JP2011021761 A JP 2011021761A JP 2012163356 A5 JP2012163356 A5 JP 2012163356A5
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- Prior art keywords
- temperature
- voltage
- unit
- resistors
- resistance
- Prior art date
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Description
（５）この温度検出回路は、補正ビット情報に基づいて、前記温度情報コード生成部が生成する前記デジタルコードを補正する温度情報コード補正部をさらに含むようにしてもよい。 (5) The temperature detection circuit, based on the compensation bit information, the digital code by the temperature information code generation unit generates may further include a temperature information code correcting unit for correcting.
Claims (5)
前記抵抗部の複数の接続点の電圧が入力され、選択信号に応じて前記複数の接続点の電圧から１の電圧を選択する電圧選択部と、
前記電圧選択部が選択する電圧を一定の基準電圧と比較する電圧比較部と、
前記電圧比較部の比較結果に応じて、前記電圧選択部が選択する電圧が前記基準電圧に近づくように前記選択信号を逐次的に変更し、前記選択信号に基づいて温度情報を表すデジタルコードを生成する温度情報コード生成部と、を含む、温度検出回路。 A resistance unit in which a plurality of resistors including at least two types of resistors having different temperature characteristics of resistance values are connected in series between two power sources;
A voltage selection unit that receives voltages at a plurality of connection points of the resistance unit and selects one voltage from the voltages at the plurality of connection points according to a selection signal;
A voltage comparison unit that compares a voltage selected by the voltage selection unit with a constant reference voltage;
According to the comparison result of the voltage comparison unit, the selection signal is sequentially changed so that the voltage selected by the voltage selection unit approaches the reference voltage, and a digital code representing temperature information based on the selection signal is provided. A temperature detection circuit including a temperature information code generation unit to be generated.
前記抵抗部は、
前記複数の抵抗の少なくとも１つは温度が高いほど抵抗値が高くなる正の温度特性を有する抵抗であり、前記複数の抵抗の他の少なくとも１つは温度が高いほど抵抗値が低くなる負の温度特性を有する抵抗である、温度検出回路。 In claim 1,
The resistance portion is
At least one of the plurality of resistors is a resistor having a positive temperature characteristic in which a resistance value increases as the temperature increases, and at least one of the plurality of resistors is a negative resistor whose resistance value decreases as the temperature increases. A temperature detection circuit that is a resistor having temperature characteristics.
前記抵抗部は、
前記複数の抵抗の少なくとも１つをバイパスするための第１のスイッチを含む、温度検出回路。 In claim 1 or 2,
The resistance portion is
A temperature detection circuit including a first switch for bypassing at least one of the plurality of resistors.
前記抵抗部は、
前記複数の抵抗の少なくとも１つを、抵抗値の温度特性が異なる他の抵抗に切り替えるための第２のスイッチを含む、温度検出回路。 In any one of Claims 1 thru | or 3,
The resistance portion is
A temperature detection circuit including a second switch for switching at least one of the plurality of resistors to another resistor having a different resistance temperature characteristic.
補正ビット情報に基づいて、前記温度情報コード生成部が生成する前記デジタルコードを補正する温度情報コード補正部をさらに含む、温度検出回路。 In any one of Claims 1 thru | or 4,
Accessory based on the correct bit information, further comprising temperature information code correcting unit that corrects the digital code by the temperature information code generation unit generates, the temperature detection circuit.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP2011021761A JP5729544B2 (en) | 2011-02-03 | 2011-02-03 | Temperature detection circuit |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP2011021761A JP5729544B2 (en) | 2011-02-03 | 2011-02-03 | Temperature detection circuit |
Publications (3)
| Publication Number | Publication Date |
|---|---|
| JP2012163356A JP2012163356A (en) | 2012-08-30 |
| JP2012163356A5 true JP2012163356A5 (en) | 2014-03-13 |
| JP5729544B2 JP5729544B2 (en) | 2015-06-03 |
Family
ID=46842890
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| JP2011021761A Expired - Fee Related JP5729544B2 (en) | 2011-02-03 | 2011-02-03 | Temperature detection circuit |
Country Status (1)
| Country | Link |
|---|---|
| JP (1) | JP5729544B2 (en) |
Families Citing this family (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JP5987639B2 (en) * | 2012-11-01 | 2016-09-07 | 株式会社デンソー | Current measuring device |
| JP6750211B2 (en) | 2015-12-03 | 2020-09-02 | セイコーエプソン株式会社 | Circuit devices, oscillators, electronic devices and mobile units |
| JP6784020B2 (en) | 2015-12-03 | 2020-11-11 | セイコーエプソン株式会社 | Circuits, oscillators, electronics and mobiles |
| CN107764431B (en) * | 2017-12-06 | 2023-12-08 | 西安智多晶微电子有限公司 | Chip core temperature detection circuit |
| JP6844589B2 (en) * | 2018-06-27 | 2021-03-17 | 株式会社デンソー | Current detector |
| CN110487436B (en) * | 2019-08-29 | 2020-12-01 | 深迪半导体(上海)有限公司 | Temperature sensor and gyroscope |
Family Cites Families (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPS54147060A (en) * | 1978-05-11 | 1979-11-16 | Toshiba Corp | Temperature display device |
| JPS6025426A (en) * | 1983-07-22 | 1985-02-08 | Seiko Epson Corp | Temperature detecting circuit |
| JP3074083B2 (en) * | 1993-01-08 | 2000-08-07 | キヤノン株式会社 | Temperature detector |
| JP2954483B2 (en) * | 1994-05-10 | 1999-09-27 | 大崎電気工業株式会社 | Integrating calorimeter |
| JP2000243839A (en) * | 1999-02-18 | 2000-09-08 | Fuji Xerox Co Ltd | Semiconductor integrated circuit device and recording device |
| KR100546384B1 (en) * | 2003-09-30 | 2006-01-26 | 삼성전자주식회사 | Temperature sensor for sensing current temperature and generating digital data corresponding to current temperature |
-
2011
- 2011-02-03 JP JP2011021761A patent/JP5729544B2/en not_active Expired - Fee Related
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