JPH03101048U - - Google Patents
Info
- Publication number
- JPH03101048U JPH03101048U JP988390U JP988390U JPH03101048U JP H03101048 U JPH03101048 U JP H03101048U JP 988390 U JP988390 U JP 988390U JP 988390 U JP988390 U JP 988390U JP H03101048 U JPH03101048 U JP H03101048U
- Authority
- JP
- Japan
- Prior art keywords
- power supply
- terminal
- supply voltage
- voltage
- analog
- 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
- 238000006243 chemical reaction Methods 0.000 claims description 5
- 239000003990 capacitor Substances 0.000 description 1
Landscapes
- Analogue/Digital Conversion (AREA)
Description
第１図は本考案の実施例のＤ／Ａ変換回路で、
第２図は従来例の単一電源電圧使用時のＤ／Ａ変
換回路、第３図は従来例の±電源使用時のＤ／Ａ
変換回路である。
１……Ｄ／Ａ変換器、２……単一電源、３……
キヤパシタ、４……差動増幅器、１１……抵抗回
路網、３……アナログ回路電源電圧供給端子（Ａ
−ＧＮＤ２）、４……アナログ出力端子（Ａ−ｏ
ｕｔ）。
FIG. 1 shows a D/A conversion circuit according to an embodiment of the present invention.
Figure 2 shows a conventional D/A conversion circuit when using a single power supply voltage, and Figure 3 shows a conventional D/A conversion circuit when using a ± power supply.
It is a conversion circuit. 1 ...D/A converter, 2...Single power supply, 3...
Capacitor, 4... Differential amplifier, 11... Resistance network, 3... Analog circuit power supply voltage supply terminal (A
-GND 2 ), 4...Analog output terminal (A-o
ut).
Claims (1)
給される電源電圧供給端子と、 該電源電圧供給端子とアナログ出力端子との間
に抵抗回路網を有するデジタル・アナログ変換器
を有し、 差動増幅器を有し、 該差動増幅器の一方の入力端子に前記アナログ
出力端子からの電圧を供給し、他方の入力端子に
前記電源電圧を供給するとともに、 その出力電圧を前記基準電位に近づける側へレ
ベルシフトするように構成したことを特徴とする
デジタル・アナログ変換回路。[Claims for Utility Model Registration] A digital device having a power supply voltage supply terminal to which a power supply voltage is supplied between a single power supply and a reference potential, and a resistor network between the power supply voltage supply terminal and an analog output terminal. - has an analog converter and a differential amplifier, supplies the voltage from the analog output terminal to one input terminal of the differential amplifier, supplies the power supply voltage to the other input terminal, and A digital-to-analog conversion circuit characterized in that the circuit is configured to shift the level of the output voltage toward the reference potential.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP988390U JPH03101048U (en) | 1990-02-05 | 1990-02-05 |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP988390U JPH03101048U (en) | 1990-02-05 | 1990-02-05 |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| JPH03101048U true JPH03101048U (en) | 1991-10-22 |
Family
ID=31513469
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| JP988390U Pending JPH03101048U (en) | 1990-02-05 | 1990-02-05 |
Country Status (1)
| Country | Link |
|---|---|
| JP (1) | JPH03101048U (en) |
-
1990
- 1990-02-05 JP JP988390U patent/JPH03101048U/ja active Pending
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| JPH048114U (en) | ||
| JPH0288485U (en) | ||
| JPS6415416U (en) | ||
| JPH0124971Y2 (en) | ||
| JPH0717012Y2 (en) | Reference potential conversion circuit | |
| JPH0336229U (en) | ||
| JPS62201519U (en) | ||
| JPH01179428U (en) | ||
| JPH0257616U (en) | ||
| JPH0350219U (en) | ||
| JPS61197727U (en) | ||
| JPS6374818U (en) | ||
| JPH02137117U (en) | ||
| JPS6170418U (en) | ||
| JPS62201869U (en) | ||
| JPS63102326U (en) | ||
| JPH0421143U (en) | ||
| JPS62177110U (en) | ||
| JPS62180366U (en) | ||
| JPS5933315U (en) | current voltage conversion circuit | |
| JPS6423670U (en) | ||
| JPH024326U (en) | ||
| JPS5885833U (en) | Input switching circuit | |
| JPS6176909U (en) | ||
| JPH01100213U (en) |