NE5532 OpAmp

[johngalt47]

Who originally created the NE5532? I think Texas Instruments must have bought the original company who made them but I don't know who it was.

My actual question is that I'm trying to use Cadsoft Eagle and they don't have a NE5532 in their libraries.

 

[peranders]

Signetics....

 

[peranders]

You can take any dual opamp type in DIL08 package.

 

[Elvee]

Philips initially produced the TDA1034, and then transferred the production to its subsidiary Signetics, where it was named NE5534.
The NE5532 is derived from the the 5534, but it is a dual, internally compensated and has no provision for offset adjustment

 

[AndrewT]

I thinks that's why the NE is used in the type number/code. It indicated Signetics.

 

[BrianL]

Texas Instruments has been a second source for many years but was not the originator of the device.

 

[johngalt47]

I was looking through my collection of various opamps and came across the OPA2277. It has far superior specs than the NE5532 for my purposes.

 

[jcx]

DC servo? - hard to see where to let OPA2277 touch full audio bandwidth with only 1 MHz GBW

Self lists the LM4562 as a pricey but clear audio spec improvement over the 5532

for fet input today the OPA164x series is nearly competive in input noise, modern output stage with better drive symmetry but not meaningful more i_out over 5532

 

[peranders]

OPA2277 is not suitable for audio, too slow. The power bandwidth is only 10 kHz.

 

[johngalt47]

I'm using it as an instrumentation amp, not audio.

 

[Monte McGuire]

DC servo? - hard to see where to let OPA2277 touch full audio bandwidth with only 1 MHz GBW

Self lists the LM4562 as a pricey but clear audio spec improvement over the 5532

The LME49710 is a single op amp, essentially a single LM4562. It's $0.85 in quantity, not something I'd call pricey, but yeah, that's 2x to 3x what a 5534 costs. They perform exceptionally well too, and compared to an AD797, they're a bargain!

 

[dotneck335]

I was looking through my collection of various opamps and came across the OPA2277. It has far superior specs than the NE5532 for my purposes.

OPA2277---THD= -94db.....not competitive with better opamps available
CMRR= -140 db....OUTSTANDING
NOISE= 8nV/√Hz voltage;0.2pA current.....fairly good
Current draw= 0.8mA per opamp....OUTSTANDING
Slew Rate= 0.8v/uSec....woefully SLOW
Conclusion: Excellent choice for battery-powered guitar FX boxes