8v single supply, OPA2132 or LME49720 ? - diyAudio
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Old 6th February 2009, 06:33 PM   #1
100db is offline 100db  Thailand
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Default 8v single supply, OPA2132 or LME49720 ?

Hi,

I want to upgrade the LPF opamp in my car HU, the stock opamp is NJM-2114 smd, power supply is 8v single supply.

The replacement need to be in smd package and able to use with 8v single supply. I only have LME49720 and OPA2132 in hand right now.

I used to try LM4562 and OPA2132 as DAC I/V and LPF at 15v dual supply and both are okay with me in the different system. I never use any of them with 8v single supply before, so I'm not sure if both will perform well at 8v ?

I'm not so good at solder / de-soldering the smd opamp, so I would like to hear your opinion on this and will decide which one to be start with.

Thanks
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Old 12th February 2009, 12:08 PM   #2
100db is offline 100db  Thailand
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