AD822
AD823
OPA627AP
OPA637BP

RightMark Audio Analyzer test


Testing chain: XIN SuperMacro-IV
Sampling mode: 24-bit, 48 kHz

HD580 drove by BUF634HiC and different versions of the same OPs

- there is no performance difference




Summary

TestAD822AD823OPA627APOPA637BP
Frequency response (from 40 Hz to 15 kHz), dB: +0.02, -0.12+0.02, -0.12+0.02, -0.12+0.02, -0.12
Noise level, dB (A): -99.2-98.6-103.0-103.0
Dynamic range, dB (A): 99.198.3102.9102.9
THD, %: 0.00050.00050.00040.0004
IMD, %: 0.00400.00440.00260.0026
Stereo crosstalk, dB: -98.6-97.7-100.4-101.3



Frequency response

Spectrum graph


Noise level

Spectrum graph


Dynamic range

Spectrum graph


THD + Noise (at -3 dB FS)

Spectrum graph


Intermodulation distortion

Spectrum graph


Stereo crosstalk

Spectrum graph



This report was generated by RightMark Audio Analyzer 5.4