JPS6370042U - - Google Patents
Info
- Publication number
- JPS6370042U JPS6370042U JP16485586U JP16485586U JPS6370042U JP S6370042 U JPS6370042 U JP S6370042U JP 16485586 U JP16485586 U JP 16485586U JP 16485586 U JP16485586 U JP 16485586U JP S6370042 U JPS6370042 U JP S6370042U
- Authority
- JP
- Japan
- Prior art keywords
- pressure sensor
- semiconductor pressure
- operational amplifier
- drive circuit
- inverting input
- 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.)
- Granted
Links
- 239000004065 semiconductor Substances 0.000 claims description 10
- 238000010586 diagram Methods 0.000 description 5
- 230000004048 modification Effects 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
Landscapes
- Measuring Fluid Pressure (AREA)
- Pressure Sensors (AREA)
Description
第１図は、この考案の一実施例を示す半導体圧
力センサの駆動回路を示す回路接続図、第２図は
、同半導体圧力センサの駆動回路の変形例を示す
部分回路図、第３図は、一般的な負荷の定電流駆
動回路を示す回路図、第４図は、半導体圧力セン
サの等価回路を示す回路図、第５図は、従来の半
導体圧力センサの駆動回路を示す回路接続図であ
る。
１：半導体圧力センサ、２：演算増幅器、３・
４：電圧源。
FIG. 1 is a circuit connection diagram showing a drive circuit for a semiconductor pressure sensor according to an embodiment of the invention, FIG. 2 is a partial circuit diagram showing a modification of the drive circuit for the semiconductor pressure sensor, and FIG. , a circuit diagram showing a constant current drive circuit for a general load, FIG. 4 is a circuit diagram showing an equivalent circuit of a semiconductor pressure sensor, and FIG. 5 is a circuit connection diagram showing a drive circuit of a conventional semiconductor pressure sensor. be. 1: Semiconductor pressure sensor, 2: Operational amplifier, 3.
4: Voltage source.
Claims (1)
なる半導体圧力センサを、演算増幅器の反転入力
端と出力端間に接続すると共に、演算増幅器の反
転入力端にコモン間に抵抗を介して電圧源を接続
して、前記半導体圧力センサを駆動する半導体圧
力センサの駆動回路において、 前記演算増幅器の非反転入力端に、前記演算増
幅器の出力電圧をより下げるための電圧源を接続
してなることを特徴とする半導体圧力センサの駆
動回路。[Claim for Utility Model Registration] A semiconductor pressure sensor in which a resistance element responsive to pressure is bridge-connected is connected between an inverting input terminal and an output terminal of an operational amplifier, and a semiconductor pressure sensor is connected between an inverting input terminal and a common terminal of an operational amplifier. In a semiconductor pressure sensor drive circuit that connects a voltage source via a resistor to drive the semiconductor pressure sensor, a voltage source for further lowering the output voltage of the operational amplifier is connected to a non-inverting input terminal of the operational amplifier. A drive circuit for a semiconductor pressure sensor, characterized in that it is connected to the drive circuit.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP1986164855U JPH0530114Y2 (en) | 1986-10-27 | 1986-10-27 |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP1986164855U JPH0530114Y2 (en) | 1986-10-27 | 1986-10-27 |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| JPS6370042U true JPS6370042U (en) | 1988-05-11 |
| JPH0530114Y2 JPH0530114Y2 (en) | 1993-08-02 |
Family
ID=31094359
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| JP1986164855U Expired - Lifetime JPH0530114Y2 (en) | 1986-10-27 | 1986-10-27 |
Country Status (1)
| Country | Link |
|---|---|
| JP (1) | JPH0530114Y2 (en) |
Citations (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPS55117937A (en) * | 1979-03-07 | 1980-09-10 | Hitachi Ltd | Filament current control circuit |
| JPS57186135A (en) * | 1981-05-13 | 1982-11-16 | Toshiba Corp | Semiconductor pressure transducer |
| JPS6044822A (en) * | 1983-08-22 | 1985-03-11 | Shimadzu Corp | Pressure sensor circuit |
-
1986
- 1986-10-27 JP JP1986164855U patent/JPH0530114Y2/ja not_active Expired - Lifetime
Patent Citations (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPS55117937A (en) * | 1979-03-07 | 1980-09-10 | Hitachi Ltd | Filament current control circuit |
| JPS57186135A (en) * | 1981-05-13 | 1982-11-16 | Toshiba Corp | Semiconductor pressure transducer |
| JPS6044822A (en) * | 1983-08-22 | 1985-03-11 | Shimadzu Corp | Pressure sensor circuit |
Also Published As
| Publication number | Publication date |
|---|---|
| JPH0530114Y2 (en) | 1993-08-02 |