JPH0157825U - - Google Patents

Info

Publication number
JPH0157825U
JPH0157825U JP15267887U JP15267887U JPH0157825U JP H0157825 U JPH0157825 U JP H0157825U JP 15267887 U JP15267887 U JP 15267887U JP 15267887 U JP15267887 U JP 15267887U JP H0157825 U JPH0157825 U JP H0157825U
Authority
JP
Japan
Prior art keywords
converter
circuit
input
voltage
analog 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
Application number
JP15267887U
Other languages
Japanese (ja)
Priority date (The priority date 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 date listed.)
Filing date
Publication date
Application filed filed Critical
Priority to JP15267887U priority Critical patent/JPH0157825U/ja
Publication of JPH0157825U publication Critical patent/JPH0157825U/ja
Pending legal-status Critical Current

Links

Description

【図面の簡単な説明】[Brief explanation of the drawing]

第１図は本考案実施例の回路構成を示す図、第
２図は従来例の回路構成を示す図、第３図はＤＡ
変換器の回路構成を示す図である。 １……ＤＡ変換器、２……レジスタ、３……制
御回路、４……比較器、５……抵抗、６……サー
ミスタ、９……スイツチング回路。 Fig. 1 is a diagram showing the circuit configuration of the embodiment of the present invention, Fig. 2 is a diagram showing the circuit configuration of the conventional example, and Fig. 3 is a diagram showing the circuit configuration of the DA
FIG. 3 is a diagram showing a circuit configuration of a converter. 1...DA converter, 2...Register, 3...Control circuit, 4...Comparator, 5...Resistor, 6...Thermistor, 9...Switching circuit.

Claims (1)

【実用新案登録請求の範囲】[Scope of utility model registration request] 変化するＤＡ変換器の出力電圧とアナログ信号
入力回路の入力アナログ電圧とを比較し、両者が
等しくなつたときのＤＡ変換器の入力を入力アナ
ログ電圧のデイジタル変換値として出力するＡＤ
変換器において、上記ＤＡ変換器とアナログ信号
入力回路へ電圧を共通的に供給する回路を開閉す
るスイツチング回路を備えたことを特徴とするＡ
Ｄ変換器。 An AD that compares the changing output voltage of a DA converter and the input analog voltage of an analog signal input circuit, and outputs the input of the DA converter when the two become equal as a digital conversion value of the input analog voltage.
A converter comprising a switching circuit that opens and closes a circuit that commonly supplies voltage to the DA converter and the analog signal input circuit.
D converter.
JP15267887U 1987-10-05 1987-10-05 Pending JPH0157825U (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
JP15267887U JPH0157825U (en) 1987-10-05 1987-10-05

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
JP15267887U JPH0157825U (en) 1987-10-05 1987-10-05

Publications (1)

Publication Number Publication Date
JPH0157825U true JPH0157825U (en) 1989-04-11

Family

ID=31427823

Family Applications (1)

Application Number Title Priority Date Filing Date
JP15267887U Pending JPH0157825U (en) 1987-10-05 1987-10-05

Country Status (1)

Country Link
JP (1) JPH0157825U (en)

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JP2020106468A (en) * 2018-12-28 2020-07-09 ルネサスエレクトロニクス株式会社 Semiconductor device

Citations (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS57174930A (en) * 1981-04-21 1982-10-27 Toshiba Corp Electronic device

Patent Citations (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS57174930A (en) * 1981-04-21 1982-10-27 Toshiba Corp Electronic device

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JP2020106468A (en) * 2018-12-28 2020-07-09 ルネサスエレクトロニクス株式会社 Semiconductor device

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