TLV1702-Q1: Output Swing and VOL, and its test diagram/circuit

Michael Huang3

Intellectual 2460 points

Part Number: TLV1702-Q1

Hi team,

My customer is using TLV1702-Q1. They want to know if 'Voltage Output Swing From rail' is the same spec like VOL?

And could we provide our test diagram/test circuit for this spec?

Regards

Michael

over 5 years ago

0 Chuck Sins over 5 years ago

TI__Mastermind 26110 points

You are correct. This spec is the same as VOL.

Testing is done by forcing current to the specified value and measuring the voltage.

Chuck

0 Michael Huang3 over 5 years ago in reply to Chuck Sins

TI__Intellectual 2460 points

Chuck,

Thanks!

I think I know the test method of this spec. But customer wants a strict description by block diagram or test circuit. So I want your help to provide this, to help them better understand this spec. Could you kindly help?

Regards

Michael

0 Jonathan Nguyen over 5 years ago in reply to Michael Huang3

TI__Expert 4555 points

Hi Michael,

Please see the attached image. The device is powered on at 36V with the output tied to 0V pullup source (for Vol) or 36V (for Voh). For this test, we place a current source at the pullup voltage to force a current, We sweep a range of current through the output until the current saturates (Short circuit current spec).

While sweeping the value of the current, the voltage difference from ground is measured - giving us the Vol (or for this datasheet/part: Vo). We listed the worst case (max) when showing the two test conditions (Io <= 4mA, Io = 0mA).

Regards,

Jonny

0 Michael Huang3 over 5 years ago in reply to Jonathan Nguyen

TI__Intellectual 2460 points

Jonathan,

Thanks. I think there is a typo. 18.1V and 18V need to be exchanged, right?

Anyway, thanks very much.

Regards

Michael

Amplifiers

Amplifiers forum

TLV1702-Q1: Output Swing and VOL, and its test diagram/circuit