74HC4040 for 1541A BCK divider - which version (35 or 98MHz)? - diyAudio
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Old 9th February 2013, 02:18 AM   #1
Ceglar is offline Ceglar  Australia
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Default 74HC4040 for 1541A BCK divider - which version (35 or 98MHz)?

Hi,

I'm wanting divide BCK on TDA1541A with 74HC4040 as outlined here;

Any good TDA1541A DAC kit? post #32

I can get either 74HC4040N or CD74HC4040E, Clock frequencies are 98MHz and 35MHz respectively - which is the correct IC for the application?

Many Thanks,
Shane
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Old 9th February 2013, 02:34 AM   #2
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44.1KHZ/2.82MHZ/11.2896MHZ
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Old 9th February 2013, 03:00 AM   #3
Ceglar is offline Ceglar  Australia
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The clock frequency on the respective data sheets is simply stated being either 98MHz or 35MHz.

Formerly Farnell | Electronic Components Distributor | element14 Australia

this link should work, top two chips on the page - scroll down an inch.

Thanks,
Shane
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Old 9th February 2013, 03:38 AM   #4
Ceglar is offline Ceglar  Australia
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Found the data sheet which says 'Max.' Clock Frequency.

22.5792Mhz is what I have for 44.1Hz.

35MHz or 98MHz - is this to say that they would work equally well, with no difference when being fed 22.5792MHz?
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Old 9th February 2013, 03:42 AM   #5
Ceglar is offline Ceglar  Australia
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got it!

Any good TDA1541A DAC kit?

post #362 for anyone interested.
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