JPH01160712U - - Google Patents
Info
- Publication number
- JPH01160712U JPH01160712U JP5747788U JP5747788U JPH01160712U JP H01160712 U JPH01160712 U JP H01160712U JP 5747788 U JP5747788 U JP 5747788U JP 5747788 U JP5747788 U JP 5747788U JP H01160712 U JPH01160712 U JP H01160712U
- Authority
- JP
- Japan
- Prior art keywords
- operational amplifier
- analog
- digital converter
- output signal
- signal
- 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.)
- Pending
Links
- 238000001514 detection method Methods 0.000 description 2
- 238000010586 diagram Methods 0.000 description 2
Description
第１図は本考案の一実施例を電圧検出回路に用
いた場合の回路図、第２図は従来の電圧検出回路
図、第３図は従来のオペアンプのオフセツト調整
をする場合の回路図てある。
１…オペアンプ、２…Ａ／Ｄコンバータ、３…
マイコン。
Figure 1 is a circuit diagram of an embodiment of the present invention used in a voltage detection circuit, Figure 2 is a conventional voltage detection circuit, and Figure 3 is a circuit diagram of a conventional operational amplifier offset adjustment. be. 1... operational amplifier, 2... A/D converter, 3...
Microcomputer.
Claims (1)
変換するアナログデジタル変換器と、 前記演算増幅器のオフセツトによる誤差を含む
前記アナログデジタル変換器の出力信号を補正す
る補正手段とを具備することを特徴とするオフセ
ツト調整回路。[Claims for Utility Model Registration] An operational amplifier that amplifies an input signal, an analog-to-digital converter that converts the output signal of the operational amplifier into a digital signal, and an analog-to-digital converter that includes an error due to an offset of the operational amplifier. 1. An offset adjustment circuit comprising: a correction means for correcting an output signal.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP5747788U JPH01160712U (en) | 1988-04-28 | 1988-04-28 |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP5747788U JPH01160712U (en) | 1988-04-28 | 1988-04-28 |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| JPH01160712U true JPH01160712U (en) | 1989-11-08 |
Family
ID=31283332
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| JP5747788U Pending JPH01160712U (en) | 1988-04-28 | 1988-04-28 |
Country Status (1)
| Country | Link |
|---|---|
| JP (1) | JPH01160712U (en) |
-
1988
- 1988-04-28 JP JP5747788U patent/JPH01160712U/ja active Pending