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CDB5321 датащи(PDF) 3 Page - Cirrus Logic |
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CDB5321 датащи(HTML) 3 Page - Cirrus Logic |
3 / 12 page OVERVIEW The CDB5321 evaluation board requires three separate power supplies for proper operation. Figure 1 illustrates the power supply connec- tions. The required power supply input voltages consist of +5V, +15V, and -15V. The CS5322 filter and logic support devices on the board op- erate from the +5V supply. The +15V and -15V inputs are regulated down to provide +5V and -5V supplies necessary for the CS5321 modulator. Figure 1 also illustrates the LT1019 4.5V reference used with the CS5321 modulator. Figure 2 illustrates the CS5321 modulator cir- cuitry, including the analog BNC input for the test signal source. Most often switch selections on S5 are set to HBR= 1, LPW R= 0, and V1+ VREF+ VREF- AIN- AIN+ AINR AGND1 AGND2 AGND3 AGND4 AGND5 AGND6 AGND7 V2+ OFST LPWR HBR MCLK MSYNC MDATA MFLG DGND1 DGND2 DGND3 DGND4 V2- V1- 2 5 6 8 9 10 3 1 4 7 11 12 13 14 22 28 27 26 20 25 18 17 24 23 19 16 15 21 U2 CS5321 C50 0.1 µF C20 68 µF R6 200 MDATA MCLK MSYNC MDATA MDATA MFLG VREF -5 VA C29 0.1 µF C40 0.1 µF TANT AIN R1 R5 402 C6 0.1 µF NPO 402 C15 0.1 µF NPO R7 100k R8 R9 100k 100k +5 VA C22 0.1 µF C27 0.1 µF C26 TANT 10 µF TEST POINT + From Figure 1. C19 10 µF + To Figure 4. OFST LPWR HBR See CS5321 Datasheet S5 Figure 2. CS5321 Modulator Input Circuitry. CDB5321 DS88DB2 17 |
Аналогичный номер детали - CDB5321 |
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Аналогичное описание - CDB5321 |
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