JPS6446322A - Analog/digital converter - Google Patents
Analog/digital converterInfo
- Publication number
- JPS6446322A JPS6446322A JP20326987A JP20326987A JPS6446322A JP S6446322 A JPS6446322 A JP S6446322A JP 20326987 A JP20326987 A JP 20326987A JP 20326987 A JP20326987 A JP 20326987A JP S6446322 A JPS6446322 A JP S6446322A
- Authority
- JP
- Japan
- Prior art keywords
- bit
- reference voltage
- generation circuit
- analog
- malfunction
- 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
Abstract
PURPOSE:To prevent a malfunction from being generated, by outputting a digital signal by comparing an analog signal input voltage directly with a reference voltage for bit from a reference voltage generation circuit for bit. CONSTITUTION:The reference voltage generation circuit Gn for n-th bit generates the reference voltage Vn for n-th bit expressed as Vn=Vi/2(where, Vi represents the maximum value of the analog signal input voltage). Meanwhile, the reference voltage generation circuit Gj for j-th bit (j=1, 2...(n-1)) generates the reference voltage Vj for j-th bit based on (j+1)-th...(j+2)-th...n-th bit digital signals obtained from the output terminals of comparators for (j+1)-th, (j+2)-th...n-th bit. In such a way, the malfunction can be prevented from occurring.
Priority Applications (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
JP20326987A JPS6446322A (en) | 1987-08-14 | 1987-08-14 | Analog/digital converter |
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
JP20326987A JPS6446322A (en) | 1987-08-14 | 1987-08-14 | Analog/digital converter |
Publications (1)
Publication Number | Publication Date |
---|---|
JPS6446322A true JPS6446322A (en) | 1989-02-20 |
Family
ID=16471246
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
JP20326987A Pending JPS6446322A (en) | 1987-08-14 | 1987-08-14 | Analog/digital converter |
Country Status (1)
Country | Link |
---|---|
JP (1) | JPS6446322A (en) |
Cited By (1)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US5066954A (en) * | 1989-04-05 | 1991-11-19 | I F M Electronic Gmbh | Analog to digital converter with reference voltage control and analog style display |
-
1987
- 1987-08-14 JP JP20326987A patent/JPS6446322A/en active Pending
Cited By (1)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US5066954A (en) * | 1989-04-05 | 1991-11-19 | I F M Electronic Gmbh | Analog to digital converter with reference voltage control and analog style display |
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