CN203377858U - Audio chip low power consumption circuit device - Google Patents
Audio chip low power consumption circuit device Download PDFInfo
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- CN203377858U CN203377858U CN201320378159.8U CN201320378159U CN203377858U CN 203377858 U CN203377858 U CN 203377858U CN 201320378159 U CN201320378159 U CN 201320378159U CN 203377858 U CN203377858 U CN 203377858U
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- power consumption
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Abstract
The utility model discloses an audio chip low power consumption circuit device which comprises a CMOS tube, a digital module and an analog module. The CMOS circuit comprises a PMOS tube and an NMOS tube. The CMOS tube is connected with the digital module and the analog module. The digital module comprises an input and output interface, an audio data producing interface, a coding and decoding interface, a camera interface, an SD card interface, an LCD controller, an MP3 hardware interface and a counter. The analog module comprises a digital to analog converter, an amplifier and a programmable analog IP. The CMOS circuit is composed of the PMOS tube and the NMOS tube. The circuit has the advantages of low power consumption, easy integration, wide allowed power supply voltage range, convenient power supply circuit design, good anti circuit interference ability, less power consumption and small heating value, and the endurance time of a battery can be prolonged.
Description
Technical field
The utility model relates to a kind of audio chip low consumption circuit device.
Background technology
Do not increase the CMOS pipe in existing audio chip, thereby can not realize low-power consumption, high-power pattern.The permission supply voltage narrow range of high flow rate, the design of inconvenient power circuit, the reactive circuit interference performance is poor, power consumption is many, can not extend the cruising time of battery, caloric value is relatively large, particularly summer obvious especially, and the price difference of low-power consumption is few.
Summary of the invention
The technical problems to be solved in the utility model is to provide a kind of audio chip low consumption circuit device that reduces the power consumption load, reduces heat.
For addressing the above problem, the utility model adopts following technical scheme: a kind of audio chip low consumption circuit device comprises CMOS pipe, digital module and analog module; Described cmos circuit comprises PMOS pipe and NMOS pipe, described CMOS pipe is connected with analog module with digital module, described digital module comprises input/output interface, produces audio frequency data interface, encoding and decoding interface, digital camera interface, SD card interface, lcd controller, MP3 hardware interface sum counter, and described analog module comprises digital to analog converter, amplifier and programmable analog IP.
As preferably, described input/output interface, produce audio frequency data interface, encoding and decoding interface, digital camera interface, SD card interface, lcd controller, MP3 hardware interface sum counter and be connected successively.
As preferably, described programmable analog IP, digital to analog converter are connected successively with amplifier.
The beneficial effect of the utility model audio chip low consumption circuit device is: because described CMOS pipe consists of jointly PMOS pipe and NMOS pipe, electric circuit characteristic is low-power consumption, easy of integration, the gate circuit that a pair of MOS forms moment by the PMOS conducting by the NMOS conducting otherwise all by, so power consumption is very low and efficiency is high, allow the supply voltage wide ranges, facilitate the power circuit design, the reactive circuit interference performance is good, little power consumption, can extend the cruising time of battery, the caloric value less.
The accompanying drawing explanation
The schematic diagram that Fig. 1 is the utility model audio chip low consumption circuit device;
The schematic diagram that Fig. 2 is digital module in the utility model audio chip low consumption circuit device;
The schematic diagram that Fig. 3 is analog module in the utility model audio chip low consumption circuit device.
Embodiment
Consult shown in Fig. 1 to Fig. 3, a kind of audio chip low consumption circuit device, comprise CMOS pipe, digital module and analog module; Described cmos circuit comprises PMOS pipe and NMOS pipe, described CMOS pipe is connected with analog module with digital module, described digital module comprises input/output interface, produces audio frequency data interface, encoding and decoding interface, digital camera interface, SD card interface, lcd controller, MP3 hardware interface sum counter, and described analog module comprises digital to analog converter, amplifier and programmable analog IP.
Described input/output interface, generation audio frequency data interface, encoding and decoding interface, digital camera interface, SD card interface, lcd controller, MP3 hardware interface sum counter are connected successively.Described programmable analog IP, digital to analog converter are connected successively with amplifier.
Described LCD is liquid crystal display.Described chip power-consumption is to change the dynamic power consumption of producing and the quiescent dissipation two parts that caused by leakage current by CMOS tubulose state.Dynamic power consumption is comprised of three parts: circuit logic operates caused state and changes required power consumption, PMOS pipe and overlapping the produced required power consumption of On current of NMOS tube voltage, the required power consumption of competition that the time delay difference in different paths produces.Quiescent dissipation is comprised of three parts: the required power consumption of CMOS tube voltage leakage current, the required power consumption of CMOS tube grid leakage current, the required power consumption of CMOS pipe substrate leakage current.
The beneficial effect of the utility model audio chip low consumption circuit device is: because described cmos circuit consists of jointly PMOS pipe and NMOS pipe, electric circuit characteristic is low-power consumption, easy of integration, the gate circuit that a pair of MOS forms moment by the PMOS conducting by the NMOS conducting otherwise all by, so power consumption is very low and efficiency is high, allow the supply voltage wide ranges, facilitate the power circuit design, the reactive circuit interference performance is good, little power consumption, can extend the cruising time of battery, the caloric value less.
The above, instrument is embodiment of the present utility model, but protection range of the present utility model is not limited to this, and any variation of expecting without creative work or replacement, within all should being encompassed in protection range of the present utility model.Therefore, protection range of the present utility model should be as the criterion with the protection range that claims were limited.
Claims (3)
1. an audio chip low consumption circuit device, it is characterized in that: comprise CMOS pipe, digital module and analog module, described CMOS pipe is connected with analog module with digital module; Described cmos circuit comprises PMOS pipe and NMOS pipe, described digital module comprises input/output interface, produces audio frequency data interface, encoding and decoding interface, digital camera interface, SD card interface, lcd controller, MP3 hardware interface sum counter, and described analog module comprises digital to analog converter, amplifier and programmable analog IP.
2. audio chip low consumption circuit device according to claim 1 is characterized in that: described input/output interface, produce audio frequency data interface, encoding and decoding interface, digital camera interface, SD card interface, lcd controller, MP3 hardware interface sum counter and be connected successively.
3. audio chip low consumption circuit device according to claim 1, it is characterized in that: described programmable analog IP, digital to analog converter are connected successively with amplifier.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201320378159.8U CN203377858U (en) | 2013-06-27 | 2013-06-27 | Audio chip low power consumption circuit device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201320378159.8U CN203377858U (en) | 2013-06-27 | 2013-06-27 | Audio chip low power consumption circuit device |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN203377858U true CN203377858U (en) | 2014-01-01 |
Family
ID=49840358
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201320378159.8U Expired - Fee Related CN203377858U (en) | 2013-06-27 | 2013-06-27 | Audio chip low power consumption circuit device |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN203377858U (en) |
-
2013
- 2013-06-27 CN CN201320378159.8U patent/CN203377858U/en not_active Expired - Fee Related
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| C56 | Change in the name or address of the patentee | ||
| CP02 | Change in the address of a patent holder |
Address after: 518000 Guangdong city of Shenzhen province Nanshan District City Pingshan road Xili University Industrial District 5 Building 3 floor Da Yuan Patentee after: SHENZHEN CHUANGCHENG MICROELECTRONICS Co.,Ltd. Address before: Baoan District Shiyan street Shenzhen city Guangdong province 518108 Luo community rent white pine road Taiwan industrial village into a building 1 6A Patentee before: SHENZHEN CHUANGCHENG MICROELECTRONICS Co.,Ltd. |
|
| CP02 | Change in the address of a patent holder |
Address after: 518055 2201, 2202, 2203, 2204, 2205, block a, building 8, Shenzhen International Innovation Valley, Dashi 1st Road, Xili community, Nanshan District, Shenzhen City, Guangdong Province Patentee after: SHENZHEN CHUANGCHENG MICROELECTRONICS Co.,Ltd. Address before: 518000 3rd floor, building 5, Dayuan industrial North District, Pingshan 1st Road, Xili University Town, Nanshan District, Shenzhen City, Guangdong Province Patentee before: SHENZHEN CHUANGCHENG MICROELECTRONICS Co.,Ltd. |
|
| CP02 | Change in the address of a patent holder | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20140101 |
|
| CF01 | Termination of patent right due to non-payment of annual fee |