7.4 1/f Noise Performance

Typical 0.1Hz to 10Hz voltage noise for the REF6025 is shown in Figure 7-8. The 1/f noise scales with output

voltage, but remains 3µVPP/V for all the variants. Peak-to-peak noise measurement setup is shown in Figure 7-9.

Time (2 s/div)

C021

Figure 7-8. 0.1Hz to 10Hz Noise

40 mF

22 F

1 k

10 k

100

REF60xx

VIN

EN

GND

OUT_F

2-Pole High-Pass

4-Pole Low-Pass

0.1-Hz to 10-Hz Filter

To Scope

0.1 F

OUT_S

GND_F

GND_S

+

Copyright © 2016, Texas Instruments Incorporated

Power

Supply

Figure 7-9. 0.1Hz to 10Hz Noise Measurement Setup

REF60

SBOS708C – MAY 2016 – REVISED APRIL 2026

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