Frequency (Hz)

-125

-120

-115

-110

-105

-100

-95

-90

-85

-80

-75

-70

-65

-60

-55

-50

20

50

100

200

500

1k

2k

5k

10k 20k

Copyright © 2017, Texas Instruments Incorporated

+IN

-IN

V-

15

OPA207

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SBOS826D – DECEMBER 2017 – REVISED OCTOBER 2019

Product Folder Links: OPA207

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Copyright © 2017–2019, Texas Instruments Incorporated

Feature Description (continued)

7.3.4 Input Stage Linearization

The OPA207 uses linearization techniques to reduce the total harmonic distortion. Figure 38 illustrates the

linearization concept, and Figure 38 illustrates the total harmonic distortion performance of the OPA207.

Figure 38. Simplified Input Stage Linearization Circuit

Figure 39. Total Harmonic Distortion