• State
  • Locked Locked
  • Replies 2 replies
  • Subscribers 30 subscribers
  • Views 964 views
  • Users 0 members are here
Support feedback
Options
Options
Similar topics

This thread has been locked.

If you have a related question, please click the "Ask a related question" button in the top right corner. The newly created question will be automatically linked to this question.

OPA1641 Offset voltage drift and settling time.

SciMan
Prodigy 90 points
Other Parts Discussed in Thread: OPA1604, OPA1641, OPA141, OPA140

For OPA1641, I don't see the offset drift temperature coefficient (uV/deg C) in the data sheet. Also, the settling time (eg., 16 bit, 0.0015%) is missing. It would be helpful to know these parameters (Above parameters are missing for OPA1604 as well).

  • 0
    TI__Guru 60610 points

    SciMan,

    OPA1641 and OPA1604 are high-performance AUDIO operational amplifiers where specs like input offset drift are NOT supposed to be of any significant importance - that is the reason for their omission in the data sheet.  If your application requires DC precision like input offset voltage or offset drift, please use general purpose equivalent parts like - OPA140 or OPA141 with typical offset/drift of 30uV/0.35uV/C and 1.0mV/2.0uV/C, respectively.