Where to find 8-Pin DIP 9637 ?

istari knight · 26th December 2009, 07:05 PM

Merry Christmas one and all !

As a present to myself I decided to damage my DAC.

To quote John Westlake :

"Hi,

The Dac is one of my designs, you need to replace the 8-Pin DIP 9637 - its located close to the input SPDIF's BNC's.

These are damaged when exposed to High Earth Leakage currents on the SPDIF inputs - never a problem when using BNC to BNC - but if you use BNC to RCA, then the center conductor of the RCA plug makes contact first - before the Ground - resulting in any Earth leakage current to flow via the center RCA pin to the input circuit.... With BNC connectors, you don't have this problem as Ground is always made first during connection, and broken last during disconnection.

John "

do you know where i can find such a device ? thankyou.

Datasheet if it helps ?

SupplyFrame Datasheet Search Engine, Electronic Component Datasheets PDF, Parts Cross Reference & Price Availability RoHS

istari knight · 26th December 2009, 08:37 PM

now sorted. Found some in the US.

Cheers.

26th December 2009, 07:05 PM	#1
istari knight diyAudio Member Join Date: Sep 2005 Location: Cornwall, UK	Where to find 8-Pin DIP 9637 ? Merry Christmas one and all ! As a present to myself I decided to damage my DAC. To quote John Westlake : "Hi, The Dac is one of my designs, you need to replace the 8-Pin DIP 9637 - its located close to the input SPDIF's BNC's. These are damaged when exposed to High Earth Leakage currents on the SPDIF inputs - never a problem when using BNC to BNC - but if you use BNC to RCA, then the center conductor of the RCA plug makes contact first - before the Ground - resulting in any Earth leakage current to flow via the center RCA pin to the input circuit.... With BNC connectors, you don't have this problem as Ground is always made first during connection, and broken last during disconnection. John " do you know where i can find such a device ? thankyou. Datasheet if it helps ? SupplyFrame Datasheet Search Engine, Electronic Component Datasheets PDF, Parts Cross Reference & Price Availability RoHS

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26th December 2009, 08:37 PM	#2
istari knight diyAudio Member Join Date: Sep 2005 Location: Cornwall, UK	now sorted. Found some in the US. Cheers.

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