JPH0438138U - - Google Patents

Info

Publication number
JPH0438138U
JPH0438138U JP8055390U JP8055390U JPH0438138U JP H0438138 U JPH0438138 U JP H0438138U JP 8055390 U JP8055390 U JP 8055390U JP 8055390 U JP8055390 U JP 8055390U JP H0438138 U JPH0438138 U JP H0438138U
Authority
JP
Japan
Prior art keywords
conversion circuit
pass capacitor
reference voltage
polysilicon layers
dividing resistors
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
JP8055390U
Other languages
English (en)
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 JP8055390U priority Critical patent/JPH0438138U/ja
Publication of JPH0438138U publication Critical patent/JPH0438138U/ja
Pending legal-status Critical Current

Links

Description

【図面の簡単な説明】
第1図乃至第4図は本考案の実施例を説明する
図、第5図は従来例に係るA/D変換回路を示す
回路図である。

Claims (1)

  1. 【実用新案登録請求の範囲】 (1) 複数のチヨツパ型コンパレータと該コンパ
    レータに基準電圧を供給する直列に接続された複
    数の分割抵抗とを有するA/D変換回路において
    、 前記分割抵抗器の接続点と接地間に接続された
    パスコンデンサを前記A/D変換回路の形成され
    ている半導体基板上に備え、前記A/D変換回路
    の動作に伴なつて生ずる前記基準電圧の変動を低
    減したことを特徴とするA/D変換回路。 (2) 前記パスコンデンサが第1層、第2層のポ
    リシリコン層と該ポリシリコン層間の絶縁層とか
    らなることを特徴とする請求項第1項記載のA/
    D変換回路。 (3) 前記パスコンデンサの容量が数10PFで
    あることを特徴とする請求項第2項記載のA/D
    変換回路。
JP8055390U 1990-07-27 1990-07-27 Pending JPH0438138U (ja)

Priority Applications (1)

Application Number Priority Date Filing Date Title
JP8055390U JPH0438138U (ja) 1990-07-27 1990-07-27

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
JP8055390U JPH0438138U (ja) 1990-07-27 1990-07-27

Publications (1)

Publication Number Publication Date
JPH0438138U true JPH0438138U (ja) 1992-03-31

Family

ID=31625721

Family Applications (1)

Application Number Title Priority Date Filing Date
JP8055390U Pending JPH0438138U (ja) 1990-07-27 1990-07-27

Country Status (1)

Country Link
JP (1) JPH0438138U (ja)

Citations (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS57203326A (en) * 1981-06-09 1982-12-13 Toshiba Corp Analog-to-digital converter
JPS62258521A (ja) * 1986-05-02 1987-11-11 Nec Corp A−d変換器

Patent Citations (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS57203326A (en) * 1981-06-09 1982-12-13 Toshiba Corp Analog-to-digital converter
JPS62258521A (ja) * 1986-05-02 1987-11-11 Nec Corp A−d変換器

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