REF50 datasheet(11/52 Pages) TI2

Part #	REF50

Description	REF50xx Low-Noise, Very Low Drift, Wide VIN Precision Voltage Reference

PDF	52 Pages

Scroll/Zoom	100%

Manufacturer	TI2 [Texas Instruments]

Direct Link	https://www.ti.com

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6.7 Typical Characteristics: REF50xxI, REF50xxAI

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.

Drift(ppm/ C)

0°C to 85°C

Figure 6-1. Temperature Drift

Drift(ppm/ C)

–40°C to 125°C

Figure 6-2. Temperature Drift

OutputInitialAccuracy(%)

Figure 6-3. Output Voltage Initial Accuracy

-0.02

-0.015

-0.01

-0.005

0.005

0.01

0.015

0.02

±50

±25

100

125

Temperature (ºC)

C001

Figure 6-4. Output Voltage Accuracy vs Temperature

Frequency(Hz)

160

140

120

100

100k

100

10k

Figure 6-5. Power-Supply Rejection Ratio vs Frequency

-15

-10

-5

LoadCurrent(mA)

0.8

0.7

0.6

0.5

0.4

0.3

0.2

0.1

+125 C

+25 C

40 C

Figure 6-6. Dropout Voltage vs Load Current

www.ti.com

REF50, REF50E

SBOS410O – JUNE 2007 – REVISED OCTOBER 2025

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