INA293: What is INA293 output sink/source current capability?

Kazuya Nakai59

Guru 20835 points

Part Number: INA293

Hello guys,

One of my customers is considering using INA293 for their new products.
They have the following questions at this moment.
Could you please give me your reply for them?

Q1. Is INA293 output topology push/pull type?
Q2. What is INA293 output sink/source current capability and the measurement conditions?

Your reply would be much appreciated.

Best regards,
Kazuya.

over 1 year ago

0 Clemens Ladisch over 1 year ago

Guru 285390 points

1. Yes.

2. The output swing in section 6.5 of the datasheet is measured with a 10 kΩ load. Figures 6-18/19/29 show typical values.

0 kai klaas69 over 1 year ago

Guru 140200 points

Hi Kazuya,

and run a simulation with the

INA293 TINA-TI REFERENCE DESIGN (Rev. A)

Here a screen dunp showing some simulations:

Kai

0 Carolus Andrews over 1 year ago in reply to kai klaas69

TI__Mastermind 19395 points

Kazuya-san,

Clemens and Kai have pretty much hit the nail on the head here. The EC table demonstrates swing capabilities for a 10kΩ load, but most likely figures 6-18 through 6-20 will be the most helpful for them. As Kai points out, it would be wise for the customer to run simulation with their desired load(s) to ensure the swing of the device will meet their needs here.

0 Kazuya Nakai59 over 1 year ago in reply to Carolus Andrews

Guru 20835 points

Hello Carolus, Kai and Clemens,

Thank you very much for your replies and I'm sorry to be late my response.
These replies are very helpful for the customer.
The customer understood INA293 output structure and capability because of you.

Thank you again and best regards,
Kazuya.

Amplifiers

Amplifiers forum

INA293: What is INA293 output sink/source current capability?

INA293 TINA-TI REFERENCE DESIGN (Rev. A)