JP5315184B2 - 温度検出回路 - Google Patents
温度検出回路 Download PDFInfo
- Publication number
- JP5315184B2 JP5315184B2 JP2009213596A JP2009213596A JP5315184B2 JP 5315184 B2 JP5315184 B2 JP 5315184B2 JP 2009213596 A JP2009213596 A JP 2009213596A JP 2009213596 A JP2009213596 A JP 2009213596A JP 5315184 B2 JP5315184 B2 JP 5315184B2
- Authority
- JP
- Japan
- Prior art keywords
- resistor
- temperature
- detection circuit
- output terminal
- temperature detection
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Expired - Fee Related
Links
Images
Landscapes
- Measuring Temperature Or Quantity Of Heat (AREA)
Description
102、103、105、106 低抵抗ポリシリコン抵抗
107 全差動型誤差増幅器
201 温度検出回路
202 アナログ/デジタルコンバータ(ADC)
203 基準電圧回路
Claims (2)
- 第一の抵抗と第二の抵抗で構成される第一の分圧回路と、
第三の抵抗と第四の抵抗で構成される第二の分圧回路と、
前記第一の分圧回路の出力端子が負極入力を入力され、前記第二の分圧回路の出力端子が正極入力に接続された全差動型誤差増幅器と、
前記全差動型誤差増幅器の正極出力端子と前記第一の分圧回路の出力端子の間に接続された第五の抵抗と、
前記全差動型誤差増幅器の負極出力端子と前記第二の分圧回路の出力端子の間に接続された第六の抵抗と、を備え、
前記第一の抵抗と前記第四の抵抗は、抵抗値の逆数が温度に対して線形に変化する高抵抗ポリシリコンで構成され、
前記第二の抵抗と前記第三の抵抗と前記第五の抵抗と前記第六の抵抗は、抵抗値が温度に対して線形に変化する低抵抗ポリシリコンで構成され、
前記全差動型誤差増幅器の負極出力端子と正極出力端子の電位差を出力とすることを特徴とする温度検出回路。 - 前記全差動型誤差増幅器の負極出力端子と正極出力端子が入力端子に接続されたアナログ/デジタルコンバータと、
直列に接続された第七の抵抗、第八の抵抗及び第九の抵抗で構成され、前記第七の抵抗と前記第八の抵抗の接続点と前記第八の抵抗と前記第九の抵抗の接続点が前記アナログ/デジタルコンバータの基準電圧入力端子に接続された電源電圧分圧回路と、
を備えたことを特徴とする請求項1記載の温度検出回路。
Priority Applications (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
JP2009213596A JP5315184B2 (ja) | 2009-09-15 | 2009-09-15 | 温度検出回路 |
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
JP2009213596A JP5315184B2 (ja) | 2009-09-15 | 2009-09-15 | 温度検出回路 |
Publications (2)
Publication Number | Publication Date |
---|---|
JP2011064507A JP2011064507A (ja) | 2011-03-31 |
JP5315184B2 true JP5315184B2 (ja) | 2013-10-16 |
Family
ID=43950927
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
JP2009213596A Expired - Fee Related JP5315184B2 (ja) | 2009-09-15 | 2009-09-15 | 温度検出回路 |
Country Status (1)
Country | Link |
---|---|
JP (1) | JP5315184B2 (ja) |
Family Cites Families (4)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JPH04132967A (ja) * | 1990-09-25 | 1992-05-07 | Murata Mfg Co Ltd | 過熱保護回路 |
JP2000323940A (ja) * | 1999-05-07 | 2000-11-24 | Matsushita Electric Ind Co Ltd | 全差動増幅器 |
JP2001272282A (ja) * | 2000-03-24 | 2001-10-05 | Toshiba Corp | 温度検出回路及び同回路を備えたディスク記憶装置 |
JP2006284301A (ja) * | 2005-03-31 | 2006-10-19 | Mitsubishi Materials Corp | 温度検出装置 |
-
2009
- 2009-09-15 JP JP2009213596A patent/JP5315184B2/ja not_active Expired - Fee Related
Also Published As
Publication number | Publication date |
---|---|
JP2011064507A (ja) | 2011-03-31 |
Similar Documents
Publication | Publication Date | Title |
---|---|---|
JP4990049B2 (ja) | 温度検出回路 | |
JP4602941B2 (ja) | 静電容量センサ回路 | |
JP5827759B2 (ja) | 増幅回路及び増幅回路icチップ | |
JP6006913B2 (ja) | 電流制限回路及び電源回路 | |
JP5031535B2 (ja) | 温度検出回路 | |
TWI522601B (zh) | Analog - to - digital conversion circuit with temperature sensing and its electronic device | |
JP2011119398A (ja) | 赤外線センサの信号処理装置、赤外線センサ | |
JP2010251653A5 (ja) | 抵抗ばらつき検出回路 | |
JP4641164B2 (ja) | 過熱検出回路 | |
JP5315184B2 (ja) | 温度検出回路 | |
US9116028B2 (en) | Thermal flow sensor and method of generating flow rate detection signal by the thermal flow sensor | |
CN110114638B (zh) | 模拟输入单元以及基准电压稳定化电路 | |
JP2009139213A (ja) | 磁気センサ装置及びその制御方法 | |
JP2012088230A (ja) | 電圧検出回路 | |
JP5696540B2 (ja) | Ad変換器、ダイヤル式入力装置、及び抵抗−電圧変換回路 | |
CN106092361A (zh) | 一种温度采样电路 | |
JP6097920B2 (ja) | ブラシレスモータ制御装置 | |
JP2010085319A (ja) | センサ信号検出回路、レシオメトリック補正回路及びセンサ装置 | |
JP2007218664A (ja) | 電流検出装置 | |
JP2009300293A (ja) | 対数変換回路 | |
US20240097632A1 (en) | Integrated circuit and semiconductor device | |
JP2007132861A (ja) | 検出回路 | |
JP6166186B2 (ja) | 温度検出装置 | |
JP6529082B2 (ja) | 電圧差における異常を検出する異常検出装置 | |
JP2017188783A (ja) | A/dコンバータ回路および電子機器 |
Legal Events
Date | Code | Title | Description |
---|---|---|---|
A621 | Written request for application examination |
Free format text: JAPANESE INTERMEDIATE CODE: A621 Effective date: 20120711 |
|
A977 | Report on retrieval |
Free format text: JAPANESE INTERMEDIATE CODE: A971007 Effective date: 20130422 |
|
A131 | Notification of reasons for refusal |
Free format text: JAPANESE INTERMEDIATE CODE: A131 Effective date: 20130514 |
|
A521 | Request for written amendment filed |
Free format text: JAPANESE INTERMEDIATE CODE: A523 Effective date: 20130604 |
|
TRDD | Decision of grant or rejection written | ||
A01 | Written decision to grant a patent or to grant a registration (utility model) |
Free format text: JAPANESE INTERMEDIATE CODE: A01 Effective date: 20130702 |
|
A61 | First payment of annual fees (during grant procedure) |
Free format text: JAPANESE INTERMEDIATE CODE: A61 Effective date: 20130708 |
|
R150 | Certificate of patent or registration of utility model |
Free format text: JAPANESE INTERMEDIATE CODE: R150 Ref document number: 5315184 Country of ref document: JP Free format text: JAPANESE INTERMEDIATE CODE: R150 |
|
S111 | Request for change of ownership or part of ownership |
Free format text: JAPANESE INTERMEDIATE CODE: R313113 |
|
R350 | Written notification of registration of transfer |
Free format text: JAPANESE INTERMEDIATE CODE: R350 |
|
R250 | Receipt of annual fees |
Free format text: JAPANESE INTERMEDIATE CODE: R250 |
|
R250 | Receipt of annual fees |
Free format text: JAPANESE INTERMEDIATE CODE: R250 |
|
S533 | Written request for registration of change of name |
Free format text: JAPANESE INTERMEDIATE CODE: R313533 |
|
R350 | Written notification of registration of transfer |
Free format text: JAPANESE INTERMEDIATE CODE: R350 |
|
R250 | Receipt of annual fees |
Free format text: JAPANESE INTERMEDIATE CODE: R250 |
|
R250 | Receipt of annual fees |
Free format text: JAPANESE INTERMEDIATE CODE: R250 |
|
R250 | Receipt of annual fees |
Free format text: JAPANESE INTERMEDIATE CODE: R250 |
|
LAPS | Cancellation because of no payment of annual fees |