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поискавой системы для электроныых деталей |
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поискавой системы для электроныых деталей |
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PCM5310PAPR датащи(PDF) 96 Page - Texas Instruments |
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PCM5310PAPR датащи(HTML) 96 Page - Texas Instruments |
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96 / 103 page  DIGITAL INPUT PINS PowerPAD (THERMAL PAD) PCM5310 SLES244 – FEBRUARY 2009 ............................................................................................................................................................................................ www.ti.com Series resistors (ranging from 22 Ω to 100 Ω) are recommended for the SCKx, LRCKx, BCKx, and DATAx pins. These series resistors combine with the stray printed circuit board (PCB) and device input capacitance to form a low-pass filter that removes high-frequency noise from the digital signal, thus reducing high-frequency emissions. All digital input pins should be connected to ground if they are not used in a given application. The PCM5310 is available in an HTQFP-64 PowerPAD package. The PowerPAD is a heatsink, which is exposed metal at the bottom of the package. The PowerPAD works to conduct heat away from the silicon through thermal vias located at the bottom of the PowerPAD. The PowerPAD does not need to be soldered onto an exposed metal area of the PCB because the device works within the absolute maximum rating (junction temperature = +150°C) without soldering the PowerPAD. Refer to application note SLMA002, PowerPAD Thermally Enhanced Package, when considering whether to solder the PowerPAD in order to reduce more heat from the device. 96 Submit Documentation Feedback Copyright © 2009, Texas Instruments Incorporated Product Folder Link(s): PCM5310 |
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