The OPA827 series of JFET operational amplifiers combine outstanding DC precision with excellent AC performance. These amplifiers offer low offset voltage (150 μV, maximum), very low drift over temperature (0.5 μV/°C, typical), low-bias current (3 pA, typical), and very low 0.1-Hz to 10-Hz noise (250 nVPP, typical). The device operates over a wide supply voltage range, ±4 V to ±18 V on a low supply current (4.8 mA/Ch, typical).
Excellent AC characteristics, such as a 22-MHz gain bandwidth product (GBW), a slew rate of 28 V/μs, and precision DC characteristics make the OPA827 series well-suited for a wide range of applications including 16-bit to 18-bit mixed signal systems, transimpedance (I/V-conversion) amplifiers, filters, precision ±10-V front ends, and professional audio applications.
John Berenyi –
I’m using these on my Maverick D1 Plus DAC unit in my sound system and sonically they are wonderful. Keep in mind these are an upgrade to the OPA627 design and they cost less because of a different manufacturing process. Anyone who can say they can tell the difference between the 627 and 827 with their hearing is up in the night. That controversy will never be settled.