Tweakers' Asylum

RE: Good results so far with the new TI OPA 827 Op amp

216.58.128.178

trioid

In Reply to: RE: Good results so far with the new TI OPA 827 Op amp posted by reb on November 08, 2007 at 08:52:51

Reb - What function did you use it for (like output buffer)? Did TI provide samples?

OT - Pinout is the same as OPA627. I wonder if TI is going to supply OPA627s anymore.....

Follow Ups:

RE: Good results so far with the new TI OPA 827 Op amp - reb 10:50:07 11/09/07 (4)
They only sent me a qty of 2. So I could only use it for the output buffer on the single ended side of my cd player. For I/V, I prefer faster OP Amps.
- slew rate - trioid 11:04:44 11/09/07 (3)
  I asked for 2 as well. Will try them as TIA (I/V). Agreed - the 827 is rated at 22 V/uS vs. 55 for the 627. Not sure if I will hear the difference, however ....
  - RE: slew rate - Ifatchoi 18:40:51 11/10/07 (0)
    How can I obtain some samples? I am interested in OPA2827. Thanks.
  - RE: slew rate - reb 11:11:51 11/09/07 (1)
    I am using Analog Device AD827 for I/V, 300v/us slew rate. In the balanced section of my machine, its been a real strugle to settle on just one device. The Linear Technology LT1360 so far has the most promise in this position.
    
    Edits: 11/09/07
    - RE: slew rate - trioid 11:20:03 11/09/07 (0)
      Come to think of it, I am using LM4562 as I/V now. The OPA827 may not be an improvement.... 20 vs. 22 V/us. Still, just want to give it a test

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