TS321: circuit or other solution to minimize headroom of the OP AMP

user4948593

Part Number: TS321

Hi, I have the problem with the OP when I using it. The headroom is the most concern issue in my application. However I found about 0.3 V output without any input which I think it probably is the headroom of the device.

The question is that does TI provide other lower headroom solution for my application? no matter to change component or add external circuit. My target is below 0.1 V headroom.

thanks,

Alan Chang

over 5 years ago

0 kai klaas69 over 5 years ago

Guru 140200 points

Hi Alan,

we need a schematic to discuss this.

What do you mean by "headroom"? Offset voltage?

Kai

0 Tim Claycomb over 5 years ago

TI__Genius 15410 points

Hello,

As Kai mention please explain what you mean by headroom? Typically headroom is used as a term to explain how close the output voltage can swing to the rails. The TS321 can swing 15mV to the negative supply with a 10kohm load.

If the output swing to rail is what you mean by "headroom" we will also need to know what your output current is.

A schematic and knowing the supply voltages will also help us determine a device for you.

Thank you,

Tim Claycomb

0 Tim Claycomb over 5 years ago in reply to Tim Claycomb

TI__Genius 15410 points

Hello,

Can you please provide the requested information to help us find you a device?

Thank you,

Tim Claycomb

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TS321: circuit or other solution to minimize headroom of the OP AMP