IMPORTANT. US based seller, sourcing directly from TI.

DIP8 OPA1656 Dual Ultra-Low-Noise Low-Distortion FET-Input Audio Operational Amplifier.
The OPA1656 is a Burr-BrownTM operational amplifier (op amp) designed specifically for audio and industrial applications, where maintaining signal fidelity is crucial.

Other Ultra-low distortion amplifiers and other audiophile stuff you can find here kaltecs.com

Please note that the operational amplifiers are available in two different pin cross-sections options - circular (0.5mm diameter) and rectangular (0.65x0.68mm). Let me know which one you prefer.

For complete customer satisfaction, before shipping, all op amps are tested for full functionality.

Features

1Ultra-low noise:

  • Voltage noise: 2.9 nV/?Hz at 10 kHz

  • Current noise: 6 fA/Hz at 1 kHz

  • Low distortion:

    • 0.000029% (-131 dB) at 1 kHz

    • 0.000035% (-129 dB) at 20 kHz

  • High open-loop gain: 150 dB

  • High output current: 100 mA

  • Low input bias current: 10 pA

  • Slew rate: 24 V/μs

  • Gain bandwidth product: 53 MHz

  • Rail-to-rail output

  • Wide supply range:
    ±2.25 V to ±18 V or 4.5 V to 36 V

  • Quiescent current: 3.9 mA per channel