* Low input voltage noise: 3.7 nV/√Hz at 1 kHz
* Low THD + N:
  –120 dB at 1 kHz
* Low supply current: 950 µA at ±18 V
* Input offset voltag.

* Professional audio mixer or control surface
* Professional microphones and wireless systems
* Professional.

The OPA1637 is a low-noise, low total harmonic distortion (THD), fully differential, Burr-Brown™ Audio operational amplifier that easily filters and drives fully differential, audio signal chains. The OPA1637 also converts single-ended sources to d.

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