JPS6453630A - A/d converter - Google Patents
A/d converterInfo
- Publication number
- JPS6453630A JPS6453630A JP21047987A JP21047987A JPS6453630A JP S6453630 A JPS6453630 A JP S6453630A JP 21047987 A JP21047987 A JP 21047987A JP 21047987 A JP21047987 A JP 21047987A JP S6453630 A JPS6453630 A JP S6453630A
- Authority
- JP
- Japan
- Prior art keywords
- input
- output
- circuit
- added
- 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
Landscapes
- Analogue/Digital Conversion (AREA)
Abstract
PURPOSE:To attain the highly speedy A/D conversion by switching and outputting a digital signal outputted by a comparator with the output of a logical circuit when two input signals are A/D-converted with a time division. CONSTITUTION:An output current i1-1 generated by a D/A converting circuit 1 and an input current i2-1 when an input signal V1 flows at an input resistance 4-1 are added at a comparator circuit 2-1 and compared with a ground potential. In the same way, an output current i1-2 and an input current i2-2 when an input signal V2 flows at a resistance 4-2 are added and compared with a ground potential. The output of comparators 2-1 and 2-2 is added to AND circuits 7-1 and 7-2 together with timing signals T1 and T2, the OR of the output is obtained by the circuit 8 and inputted into an successive approximate register 3. Bits 1-n of the D/A converting circuit 1 are converted and sent to a serial signal by a clock signal. Thus, an A/D conversion is made highly speedy.
Priority Applications (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
JP21047987A JPS6453630A (en) | 1987-08-25 | 1987-08-25 | A/d converter |
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
JP21047987A JPS6453630A (en) | 1987-08-25 | 1987-08-25 | A/d converter |
Publications (1)
Publication Number | Publication Date |
---|---|
JPS6453630A true JPS6453630A (en) | 1989-03-01 |
Family
ID=16590025
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
JP21047987A Pending JPS6453630A (en) | 1987-08-25 | 1987-08-25 | A/d converter |
Country Status (1)
Country | Link |
---|---|
JP (1) | JPS6453630A (en) |
Cited By (1)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US5583503A (en) * | 1993-10-06 | 1996-12-10 | Mitsubishi Denki Kabushiki Kaisha | Analog/digital converter |
-
1987
- 1987-08-25 JP JP21047987A patent/JPS6453630A/en active Pending
Cited By (1)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US5583503A (en) * | 1993-10-06 | 1996-12-10 | Mitsubishi Denki Kabushiki Kaisha | Analog/digital converter |
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