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Op-amp with full swing down to the negitive rail.

Guest Alun

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Hi Alun,
High supply voltage, rail to rail inputs and output, fast. The LT1498 looks good for this application but costs $6.50US each at Digikey. You are also paying for its low noise. Maybe they throw away many noisier ones.

Its details show that its output swings low to 30mV or less. Is that low enough? ???

That's why our 0V-30V supply project uses an ordinary opamp with a negative supply. ;D

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