Quick PCB question

Piper · 6th March 2005, 11:38 PM

I've been trying to route my lm4780 board, but the largest nets i can route with are 60mils. I know its best to use around 150 mils at the power inputs and speaker outs but how important is this. I will only ever be able to route at 60mils at the chip pins so would 60 be fine for the whole board ?

Any info would be much appreciated

cjd · 6th March 2005, 11:48 PM

The reference board may give you some good ideas. Check it out (it's in the datasheet).

Everything I have ever heard would suggest that 60 isn't going to cut it. But I'm nowhere near an authority on the subject.

C

Piper · 7th March 2005, 10:59 AM

But what would the effects of having the smaller tracks be ?

6th March 2005, 11:38 PM	#1
Piper diyAudio Member Join Date: Jun 2004 Location: London	Quick PCB question I've been trying to route my lm4780 board, but the largest nets i can route with are 60mils. I know its best to use around 150 mils at the power inputs and speaker outs but how important is this. I will only ever be able to route at 60mils at the chip pins so would 60 be fine for the whole board ? Any info would be much appreciated

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6th March 2005, 11:48 PM	#2
cjd diyAudio Member Join Date: Jun 2004 Location: Windy City	The reference board may give you some good ideas. Check it out (it's in the datasheet). Everything I have ever heard would suggest that 60 isn't going to cut it. But I'm nowhere near an authority on the subject. C

7th March 2005, 10:59 AM	#3
Piper diyAudio Member Join Date: Jun 2004 Location: London	But what would the effects of having the smaller tracks be ?