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DEM-PCM/DSD1792/1794 Schematics

2-6

Figure 2−5. DEM-PCM/DSD1792/1794 Power-Supply Section

220

µ

F

0.047

µ

F

RP4

22k

Ω

CP3

CP6

TM6

AGND

220

µ

F

0.047

µ

F

RP3

22k

Ω

TM5

−VA

+VA

−VA

CP2

CP5

TM4

+VCC

220

µ

F

0.047

µ

F

RP2

22k

Ω

TM3

AGND

+VCCA

CP1

CP4

TM2

+VDD

220

µ

F

0.1

µ

F

RP1

22k

Ω

TM1

DGND

CPD1

CPD2

JP−P

10

Ω

RP5

+VCCD

TM7

+VA

IN

OUT

+VDDA

3.3 V

REG

UP1

CP8
1

µ

F

CP7
1

µ

F

IN

OUT

+VDDD

3.3 V

REG

UP2

CP10
1

µ

F

CP9
1

µ

F

−VA

CP11

1

µ

F

7

UA1

4

+VA

CP12

1

µ

F

CP13

1

µ

F

7

UA2

4

CP14

1

µ

F

CP15

1

µ

F

7

UA3

4

CP16

1

µ

F

CP17

1

µ

F

7

UA4

4

CP18

1

µ

F

CP19

1

µ

F

7

UA5

4

CP20

1

µ

F

CP21

1

µ

F

7

UA6

4

CP22

1

µ

F

CP23

1

µ

F

7

UA7

4

CP24

1

µ

F

CP25

1

µ

F

7

UA8

4

CP26

1

µ

F

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Содержание DEM-DSD1792

Страница 1: ... July 2003 Audio Converter Products Digital Audio User s Guide SLEU037 ...

Страница 2: ...tute a license from TI to use such products or services or a warranty or endorsement thereof Use of such information may require a license from a third party under the patents or other intellectual property of the third party or a license from TI under the patents or other intellectual property of TI Reproduction of information in TI data books or data sheets is permissible only if reproduction is...

Страница 3: ... handling or use of the goods Please be aware that the products received may not be regulatory compliant or agency certified FCC UL CE etc Due to the open construction of the product it is the user s responsibility to take any and all appropriate precautions with regard to electrostatic discharge EXCEPT TO THE EXTENT OF THE INDEMNITY SET FORTH ABOVE NEITHER PARTY SHALL BE LIABLE TO THE OTHER FOR A...

Страница 4: ...ere is uncertainty as to the load specification please contact a TI field representative During normal operation some circuit components may have case temperatures greater than 55 C The EVM is designed to operate properly with certain components above 55 C as long as the input and output ranges are maintained These components include but are not limited to linear regulators switching transistors p...

Страница 5: ...Segment Audio Stereo Digital to Analog Converter data sheet SLES069 DSD1794 24 Bit 192 kHz Sampling Advanced Segment Audio Stereo Digital to Analog Converter data sheet SLES077 PCM1794 24 Bit 192 kHz Sampling Advanced Segment Audio Stereo Digital to Analog Converter data sheet SLES080 FCC Warning This equipment is intended for use in a laboratory test environment only It generates uses and can rad...

Страница 6: ...d to take whatever measures may be required to correct this interference Trademarks Microsoft is a registered trademark of Microsoft Corporation Windows is a registered trademark of Microsoft Corporation Other trademarks are the property of their respective owners ...

Страница 7: ...at 1 3 1 5 2 Reset of DAI Receiver IC 1 3 1 5 3 DAI Interface Selection 1 3 1 5 4 PCM Audio DSD Interface 1 4 1 5 5 Analog Output Selection 1 4 1 5 6 Hardware Control Switches S01 S07 1 4 1 5 7 CN 2 I2C Interface Zero Out 1 5 1 6 Demo Software 1 5 1 7 DEM PCM DSD1792 1794 Parts List BOM 1 7 2 Schematic and Printed Circuit Board 2 1 2 1 DEM PCM DSD1792 1794 Printed Circuit Board 2 2 2 2 DEM PCM DSD...

Страница 8: ... 2 2 2 2 DEM PCM DSD1792 1794 Top View 2 3 2 3 DEM PCM DSD1792 1794 Bottom View 2 4 2 4 DEM PCM DSD1792 1794 DAC Analog Section 2 5 2 5 DEM PCM DSD1792 1794 Power Supply Section 2 6 2 6 DEM PCM DSD1792 1794 Digital Section 2 7 1 1 Digital Audio Receiver Configuration 1 3 1 2 Digital Audio Source Selection 1 3 1 3 Audio Data Format Select 1 5 ...

Страница 9: ...e analog signal output functions onboard as 2 V rms single ended RCA 4 5 V rms single ended RCA and 9 V rms balanced XLR The DEM PCM DSD1792 1794 is operated by a 15 V analog power supply 5 V DAC power supply and 5 V digital power supply A single 5 V power supply can be used to power the DAC and digital circuitry by setting a jumper connection but to obtain the specified audio performance use of s...

Страница 10: ...s connected to provide a 3 3 V power supply for the DAC device Power supply current is typically 50 mA maximum 60 mA at fS 44 1 kHz Connect the 5 V digital power supply at TM2 VDD and TM1 DGND A 3 3 V regulator IC is connected to provide a 3 3 V logic supply to the digital section Power supply current is typically 70 mA max 120 mA Jumper JP P is for the selection of separate 5 V VCC and VDD power ...

Страница 11: ...1792 is I2S format Table 1 1 Digital Audio Receiver Configuration SW001 SW002 SW003 Receiver Output Data Format L L L 16 to 24 bit left justified L H L 16 to 24 bit l2S H L H 16 bit right justified or standard L H H 18 bit right justified or standard 1 5 2 Reset of DAI Receiver IC Switch SW004 is a normally open momentary contact pushbutton switch used to reset the digital audio receiver when nece...

Страница 12: ...DBCK In DSD System Clock In GND BCK In BCK In for Left Justified LRCK In DATA In 1 5 5 Analog Output Selection Jumper connections JP 1 through JP 4 are for selection of the analog output function Jumper connections JP 1 through JP 4 must all have either pins 1 2 connected or pins 3 4 connected 1 2 4 5 V rms single ended output PJ 2 PJ 4 and 9 V rms balanced output CN M J Cutoff frequency of this a...

Страница 13: ...S Mono L channel Sharp 1 0 0 1 LJF Mono L channel Sharp 1 0 1 0 Standard 16 bit Mono L channel Sharp 1 0 1 1 Standard 24 bit Mono L channel Sharp 1 1 0 0 I2S Mono R channel Sharp 1 1 0 1 LJF Mono R channel Sharp 1 1 1 0 Standard 16 bit Mono R channel Sharp 1 1 1 1 DF bypass Mono R channel Sharp 1 5 7 CN 2 I2C Interface Zero Out CN 2 is the I2C control interface connector and zero output Figure 1 3...

Страница 14: ...DEM1792 exe DEM1792 ini Vbrjp200 dll Ver dll Inpout dll Copy these files to a convenient directory folder such as C DEM1792 Then change the printer port address in DEM1792 ini to H378 H278 or H3BCO Most PCs use H378 as the default printer port address Top menu Operation window Function window Attenuation window ...

Страница 15: ...A5 8 10 µF 16 V AL electrolytic capacitor Cerafine ELNA CA2 4 9 0 047 µF Film capacitor APFF Nissei CA10 13 22 pF Ceramic capacitor CA18 19 22 pF Ceramic capacitor CA26 27 22 pF Ceramic capacitor CA14 17 2700 pF Film capacitor APSF0100J272 Nissei CA20 23 8200 pF Film capacitor APSF0100J822 Nissei CA21 22 1800 pF Film capacitor APSF0100J182 Nissei CA24 25 1800 pF Film capacitor APSF0100J182 Nissei ...

Страница 16: ... Ω 1 8 W resistor RF1 4 820 Ω 1 8 W resistor RP1 2 3 4 22 kΩ 1 8 W resistor RP5 10 Ω 1 8 W resistor SW001 DIP SW 1 pole double FT1D 2M Fujisoku SW002 DIP SW 1 pole double FT1D 2M Fujisoku SW003 DIP SW 1 pole double FT1D 2M Fujisoku SW004 Push SW FP1F 2M Fujisoku SW005 DIP SW 2 pole double FT2D 2M Fujisoku SW006 DIP SW 4 element DSS104 Fujisoku TM1 3 6 Banana jack black TM2 4 Banana jack red TM5 Ba...

Страница 17: ... Printed Circuit Board This chapter presents the DEM PCM DSD1792 1794 printed circuit board and schematics Topic Page 2 1 DEM PCM DSD1792 1794 Printed Circuit Board 2 2 2 2 DEM PCM DSD1792 1794 Schematics 2 5 Chapter 2 ...

Страница 18: ...DEM PCM DSD1792 1794 Printed Circuit Board 2 2 2 1 DEM PCM DSD1792 1794 Printed Circuit Board Figure 2 1 DEM PCM DSD1792 1794 Silkscreen ...

Страница 19: ...DEM PCM DSD1792 1794 Printed Circuit Board 2 3 Schematic and Printed Circuit Board Figure 2 2 DEM PCM DSD1792 1794 Top View ...

Страница 20: ...DEM PCM DSD1792 1794 Printed Circuit Board 2 4 Figure 2 3 DEM PCM DSD1792 1794 Bottom View ...

Страница 21: ...4 2700pF RA23 620Ω RA22 620Ω UA8 CA27 22pF Rch OUT 2Vrms 1 2 3 4 5 6 7 8 9 10 11 12 13 14 28 27 26 25 24 23 22 21 20 19 18 17 16 15 PCM1792 DSD1792 PCM1794 DSD1794 L D B S O P Q CA9 CA8 0 047µF 10µF CA7 10µF CA1 CA2 10µF 0 047µF CA5 10µF CA3 CA4 10µF 0 047µF RA1 10kΩ CF1 2200pF RF1 UA1 CA10 22pF JP 1 RA2 360Ω 1 CA14 2700pF RA4 360Ω UA5 CA18 22pF RA10 100Ω PJ 2 Lch OUT 4 5Vrms CF2 2200pF RF2 820Ω U...

Страница 22: ... 22kΩ TM3 AGND VCCA CP1 CP4 TM2 VDD 220µF 0 1µF RP1 22kΩ TM1 DGND CPD1 CPD2 JP P 10Ω RP5 VCCD TM7 VA IN OUT VDDA 3 3 V REG UP1 CP8 1µF CP7 1µF IN OUT VDDD 3 3 V REG UP2 CP10 1µF CP9 1µF VA CP11 1µF 7 UA1 4 VA CP12 1µF CP13 1µF 7 UA2 4 CP14 1µF CP15 1µF 7 UA3 4 CP16 1µF CP17 1µF 7 UA4 4 CP18 1µF CP19 1µF 7 UA5 4 CP20 1µF CP21 1µF 7 UA6 4 CP22 1µF CP23 1µF 7 UA7 4 CP24 1µF CP25 1µF 7 UA8 4 CP26 1µF ...

Страница 23: ...009 0 068uF C015 100uF 16V 3 2 GND 1 OUT IN C016 0 1uF FIL001 CN004 FFC 48BMEP1 GND GND 1 2 3 4 5 6 7 14 13 12 11 10 9 8 GND U005 74VHC244 C013 0 1 uF 1 25 SW001 FT1D 2M SW002 FT1D 2M SW003 FT1D 2M SW005 FT2D 2M INT CS8414 EXT DAI select LRCK BCK DATA SCLK LRCK BCK DATA SCLK BCK e DATA C014 GND U006 74VHC244 1 19 CN003 57LE 40360 7700 D3 SW006 DSS104 RA001 1 2 3 4 L001 CN002 FFC 2BMEP1 CN001 4 5 6...

Страница 24: ...2 8 ...

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