TLV27L1: Looking for a lower power alternative than TLV9101

Matt Calvo

Part Number: TLV27L1
Other Parts Discussed in Thread: TLV9101, OPA244, OPA251, TLV6003, TLV2401

Hey Op Amp team,

I have a customer considering migrating from TLV27L1 to a newer op amp alternative and we noticed that the landing page recommends the TLV9101 as the newer P2P version but unfortunately the power consumption is too high (120uA versus 7uA).

Do you have any other suitable recommendations for migrating from TLV27L1 with a similar Iq?

Best regards,

Matt Calvo

over 1 year ago

0 Clemens Ladisch over 1 year ago

Guru 281760 points

That recommendation is wrong; the TLV9101 is not a slow, low-power opamp.

The speed scales with power. Low-power alternatives would be the TLV2401/TLV6003 (5.5 kHz, 0.9 µA), OPA251 (35 kHz, 27 µA), or OPA244 (430 kHz, 50 µA). There is no reason to replace the TLV27L1, especially not just because it is not "new".

0 Robert Clifton56 over 1 year ago in reply to Clemens Ladisch

TI__Mastermind 23900 points

Hi Matt,

To add to Clemens comment, is the customer using it in an application above 5.5V? If it's below that then their selection of low power devices goes up drastically.

Best Regards,

Robert Clifton

0 Matt Calvo over 1 year ago in reply to Robert Clifton56

TI__Genius 14245 points

Thanks for the reply Clemens, always great to see a familiar name from the community! :)

Good point Robert!

I'll go ahead and check with my customer to determine their GBW and input/supply voltage requirements so that I can better narrow down what the best device would be to move forward with for this new design. The options that Clemens pointed out above may work depending on the speed needed.

Best regards,

Matt Calvo

0 Robert Clifton56 over 1 year ago in reply to Matt Calvo

TI__Mastermind 23900 points

Hi Matt,

Let us know what the customer says and if they need any further help!

Best Regards,

Robert Clifton

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TLV27L1: Looking for a lower power alternative than TLV9101