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OPA2322-Q1, OPA2365-Q1 Output voltage swing vs output current

Toshio Ushikubo
Mastermind 9620 points
Other Parts Discussed in Thread: OPA2322, OPA2365, OPA2322-Q1, OPA2365-Q1

Hello,

 

Please answer following question from customer.

 

OPA2322, OPA2365 datasheet has following information and it’s condition is Vs=+/-2.75V.

 

   OPA2322-Q1: Figure 14 OUTPUT VOLTAGE SWING versus OUTPUT CURRENT

   OPA2365-Q1: Figure 8. OPA2365-Q1 Output Voltage Swing vs Output Current

 

Customer will use Vs=+/-2.5V

 

Could you please supply same data when Vs=+/-2.5V.

If you don’t have, please advicse how to estimate output swing from rail using above figure.

 

Best Regards.

  • 0
    TI__Mastermind 24740 points
    Both devices are CMOS and the output voltage swing depends on ON resistance Rds/on. +/-2.5V is within 10% of +/-2.75V supply so the Rds/on changes is not significant. The voltage swing should not change with the same output current. There is no available data +/-2.5V