REF50 datasheet(13/52 Pages) TI2

部件名	REF50

功能描述	REF50xx Low-Noise, Very Low Drift, Wide VIN Precision Voltage Reference

PDF	52 Pages

Scroll/Zoom	100%

制造商	TI2 [Texas Instruments]

网页	https://www.ti.com

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13 / 52 page

6.7 Typical Characteristics: REF50xxI, REF50xxAI (continued)

At TA = 25°C, ILOAD = 0, and VS = VOUT + 0.2V, unless otherwise noted. For VOUT ≤ 2.5V, the minimum supply voltage is

2.7 V.

1s/div

Figure 6-13. 0.1Hz to 10Hz Noise

Frequency(Hz)

20 30 50 100 200

500 1000 2000

10000 30000

30000

100

Figure 6-14. Noise Spectral Density

40 s/div

2V/div

1V/div

OUT

REF5025, CL = 1μF

Figure 6-15. Start-Up

400 s/div

5V/div

1V/div

OUT

REF5025, CL = 10μF

Figure 6-16. Start-Up

Time (200 us/Div)

ILOAD

+1mA

-1mA

5mV/div

1mA.div

CL = 1μF, IOUT = 1mA

Figure 6-17. Load Transient

200

s/div

ILOAD

+10mA

-10mA

10mV/div

10mA/div

CL = 1μF, IOUT = 10mA

Figure 6-18. Load Transient

www.ti.com

REF50, REF50E

SBOS410O – JUNE 2007 – REVISED OCTOBER 2025

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