CDB44800 Cirrus Logic Inc, CDB44800 Datasheet
CDB44800
Specifications of CDB44800
CDB-44800
Related parts for CDB44800
CDB44800 Summary of contents
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... Port USB Cirrus Logic, Inc. www.cirrus.com Description The CDB44800 demonstration board is an excellent means for evaluating the CS44800 eight-channel Class- D PWM modulator. Evaluation requires a digital audio signal source, analog audio analyzer, and power supplies. Clocks and data can be provided to the CS44800 by the CS8416 S/PDIF receiver I/O header ...
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... Figure 7. CS4461 PSR Feedback ................................................................................................. 13 Figure 8. Half Bridge Channels ..................................................................................................... 14 Figure 9. Full Bridge Channels 1................................................................................................... 15 Figure 10. Full Bridge Channels 2................................................................................................. 16 Figure 11. Analog Outputs ............................................................................................................ 17 Figure 12. Control Port .................................................................................................................. 18 Figure 13. Silk Screen ................................................................................................................... 19 Figure 14. Topside Layer .............................................................................................................. 20 Figure 15. Bottomside Layer ......................................................................................................... 21 LIST OF TABLES Table 1. System Connections ......................................................................................................... 6 Table 2. Revision History .............................................................................................................. 22 2 CDB44800 DS632DB2 ...
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... The CDB44800 demonstration board is an excellent means for evaluating the CS44800 eight- channel Class-D PWM modulator. It incorporates a digital audio interface, four full-bridge and 4 half-bridge configurations, and power supply rejection (PSR) circuitry, all on a two-layer board. The CDB44800 schematic set is shown in Figures 4 through 12 and the board layout is shown in Figures 13 through 15. 1.1 CS44800 PWM Modulator A complete description of the CS44800 is included in the CS44800 product data sheet ...
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... The output filter of the half-bridge and full-bridge outputs have components that must be cho- sen carefully. The output snubbing resistors, R17-R40, used to shape the switching PWM output edges, should be 5.6 Ω V), ½ resistors. This board ¼ is populated with DALE CRCW20105R62F parts. 4 CDB44800 DS632DB2 ...
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... The Zoble filter network resistors, R1-R12, used to impedance match the speaker, should be chosen to have a power handling according to the following equation V² For this board 0.22 µ kHz, and V = the RMS full-scale output voltage. This board is pop- ulated with 1 W DALE CRCW251222R1F parts. DS632DB2 CDB44800 5 ...
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... Positive and Negative Full Bridge Outputs for Channel 6 / Low Output Frequency Effects (Subwoofer) Output Positive Half Bridge Output and Ground Reference for Channel Output 7 / Surround Back Left Output Positive Half Bridge Output and Ground Reference for Channel Output 8 / Surround Back Right Table 1. System Connections CDB44800 DS632DB2 ...
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... Once the appropriate cable is connected between the CDB44800 and the host PC, load the FlexLoader.exe from the CDB44800 directory. Once loaded, all registers are set to their default reset state. The GUI File menu provides the ability to save and restore (load) script files containing all of the register settings ...
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... Each device is displayed on a separate tab. Register values can be modified bitwise or bytewise. For bitwise, click the appropriate push button for the desired bit. For bytewise, the desired hex value can be typed directly in the register address box in the register map. Figure 2. Advanced Register Debug Tab - CS44800 8 CDB44800 DS632DB2 ...
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... Figure 3. Advanced Register Debug Tab - CS8416 DS632DB2 CDB44800 9 ...
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... SCHEMATICS 10 CDB44800 DS632DB2 ...
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... LAYOUT DS632DB2 CDB44800 19 ...
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... Figure 7 on page 13 -Updated Figure 8 on page 14 -Updated Figure 9 on page 15 -Updated Figure 10 on page 16 -Updated Figure 11 on page 17 -Updated Figure 12 on page 18 -Updated Figure 13 on page 19 -Updated Figure 14 on page 20 -Updated Figure 15 on page 21 Table 2. Revision History CDB44800 DS632DB2 ...
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... TORNEYS’ FEES AND COSTS, THAT MAY RESULT FROM OR ARISE IN CONNECTION WITH THESE USES. Cirrus Logic, Cirrus, and the Cirrus Logic logo designs are trademarks of Cirrus Logic, Inc. All other brand and product names in this document may be trademarks or service marks of their respective owners. Microsoft Windows is a registered trademark of Microsoft Corporation. DS632DB2 CDB44800 23 ...
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