CN204633754U - A kind of conversion single-ended signal device - Google Patents
A kind of conversion single-ended signal device Download PDFInfo
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- CN204633754U CN204633754U CN201520182394.7U CN201520182394U CN204633754U CN 204633754 U CN204633754 U CN 204633754U CN 201520182394 U CN201520182394 U CN 201520182394U CN 204633754 U CN204633754 U CN 204633754U
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Abstract
The utility model discloses a kind of conversion single-ended signal device, comprise differential driver module, ADC module, reference voltage source, analog signal input, resistance, electric capacity, described differential driver module comprises: the first voltage input end, the second voltage input end, tertiary voltage input, the first voltage output end, the second voltage output end, and described ADC module comprises signal input part, signal output part, power access end.The one conversion single-ended signal device that the utility model provides, single ended signal can be converted to differential signal, adopt single-ended transfer difference driver ADA4941-1 and ultra-low noise 5.0V reference voltage source ADR435, eurypalynous single ended signal perhaps can be accepted, comprise bipolarity or unipolar signal.
Description
Technical field
The utility model relates to a kind of conversion single-ended signal device, belongs to circuit engineering field.
Background technology
At present, change single-ended analog signal by high-resolution, Differential Input ADC and often there will be too noisy, the problem of high pressure to the bipolarity in low pressure range or unipolar signal cannot be adapted to.
Utility model content
Object: in order to overcome the deficiencies in the prior art, the utility model provides a kind of conversion single-ended signal device.
Technical scheme: for solving the problems of the technologies described above, the technical solution adopted in the utility model is:
A kind of conversion single-ended signal device, comprise differential driver module, ADC module, reference voltage source, analog signal inputs, resistance, electric capacity, described differential driver module comprises: the first voltage input end, second voltage input end, tertiary voltage input, first voltage output end, second voltage output end, described ADC module comprises signal input part, signal output part, power access end, described reference voltage source is connected with power access end, described signal input part, signal output part by resistance respectively with the first voltage output end, second voltage output end is connected, described first voltage input end, second voltage input end is all connected with Earth Phase by electric capacity, described tertiary voltage input is connected with analog signal input by resistance, resistance is in series with between described tertiary voltage input and signal output part.
Also comprise filter capacitor, described filter capacitor is connected in parallel between tertiary voltage input and signal output part.
Preferably, described differential driver module adopts ADA4941.
Preferably, described ADC module adopts AD7892.
Preferably, described reference voltage source adopts ADR435.
Beneficial effect: the one conversion single-ended signal device that the utility model provides, single ended signal can be converted to differential signal, adopt single-ended transfer difference driver ADA4941-1 and ultra-low noise 5.0V reference voltage source ADR435, eurypalynous single ended signal perhaps can be accepted, comprise bipolarity or unipolar signal.
Accompanying drawing explanation
Fig. 1 is structural representation of the present utility model.
Embodiment
Below in conjunction with accompanying drawing, the utility model is further described.
As shown in Figure 1, a kind of conversion single-ended signal device, comprise differential driver module 1, ADC module 2, reference voltage source 3, analog signal input 4, resistance 5, electric capacity 6, described differential driver module 1 comprises: the first voltage input end 11, second voltage input end 12, tertiary voltage input 13, first voltage output end 14, second voltage output end 15, described ADC module 2 comprises signal input part 21, signal output part 22, power access end 23, described reference voltage source 3 is connected with power access end 23, described signal input part 21, signal output part 22 by resistance 5 respectively with the first voltage output end 14, second voltage output end 15 is connected, described first voltage input end 11, second voltage input end 12 is all connected with Earth Phase by electric capacity 6, described tertiary voltage input 13 inputs 4 by resistance 5 and analog signal and is connected, resistance 5 is in series with between described tertiary voltage input 13 and signal output part 22.
Also comprise filter capacitor 7, described filter capacitor 7 is connected in parallel between tertiary voltage input 13 and signal output part 22.
Preferably, described differential driver module 1 adopts ADA4941.
Preferably, described ADC module 2 adopts AD7892.
Preferably, described reference voltage source 3 adopts ADR435.
The above is only preferred implementation of the present utility model; be noted that for those skilled in the art; under the prerequisite not departing from the utility model principle; can also make some improvements and modifications, these improvements and modifications also should be considered as protection range of the present utility model.
Claims (5)
1. a conversion single-ended signal device, comprise differential driver module, ADC module, reference voltage source, it is characterized in that: also comprise analog signal input, resistance, electric capacity, described differential driver module comprises: the first voltage input end, second voltage input end, tertiary voltage input, first voltage output end, second voltage output end, described ADC module comprises signal input part, signal output part, power access end, described reference voltage source is connected with power access end, described signal input part, signal output part by resistance respectively with the first voltage output end, second voltage output end is connected, described first voltage input end, second voltage input end is all connected with Earth Phase by electric capacity, described tertiary voltage input is connected with analog signal input by resistance, resistance is in series with between described tertiary voltage input and signal output part.
2. one conversion single-ended signal device according to claim 1, it is characterized in that: also comprise filter capacitor, described filter capacitor is connected in parallel between tertiary voltage input and signal output part.
3. one conversion single-ended signal device according to claim 1, is characterized in that: described differential driver module adopts ADA4941.
4. one conversion single-ended signal device according to claim 1, is characterized in that: described ADC module adopts AD7892.
5. one conversion single-ended signal device according to claim 1, is characterized in that: described reference voltage source adopts ADR435.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201520182394.7U CN204633754U (en) | 2015-03-30 | 2015-03-30 | A kind of conversion single-ended signal device |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201520182394.7U CN204633754U (en) | 2015-03-30 | 2015-03-30 | A kind of conversion single-ended signal device |
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| CN204633754U true CN204633754U (en) | 2015-09-09 |
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| CN201520182394.7U Expired - Fee Related CN204633754U (en) | 2015-03-30 | 2015-03-30 | A kind of conversion single-ended signal device |
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Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104779953A (en) * | 2015-03-30 | 2015-07-15 | 苏州固基电子科技有限公司 | Single-ended signal converting device |
| CN106331953A (en) * | 2016-09-18 | 2017-01-11 | 深圳市冠旭电子股份有限公司 | Single-ended audio signal-to-differential signal circuit and wireless headphone |
-
2015
- 2015-03-30 CN CN201520182394.7U patent/CN204633754U/en not_active Expired - Fee Related
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104779953A (en) * | 2015-03-30 | 2015-07-15 | 苏州固基电子科技有限公司 | Single-ended signal converting device |
| CN106331953A (en) * | 2016-09-18 | 2017-01-11 | 深圳市冠旭电子股份有限公司 | Single-ended audio signal-to-differential signal circuit and wireless headphone |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20150909 Termination date: 20160330 |
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| CF01 | Termination of patent right due to non-payment of annual fee |