20

40

60

80

100

1

10

100

1k

10k

100k

Frequency (Hz)

C027

V

REF

V

BIAS

Time (500 µs/div)

C006

500 mV/div

40 mV/div

V

IN - 0.25 V

V

IN + 0.25 V

V

IN + 0.25 V

V

REF

2

2.5

3

3.5

4

4.5

5

±75

±50

±25

0

25

50

75

100

125

150

Temperature (

ƒC)

C018

20

40

60

80

100

1

10

100

1k

10k

100k

Frequency (Hz)

C026

V

REF

V

BIAS

4

5

6

7

8

9

10

11

12

±75

±50

±25

0

25

50

75

100

125

150

Temperature (

ƒC)

C022

2

2.5

3

3.5

4

4.5

5

±75

±50

±25

0

25

50

75

100

125

150

Temperature (

ƒC)

C019

8

REF1925, REF1930, REF1933, REF1941

SBOS697A – SEPTEMBER 2014 – REVISED JANUARY 2017

www.ti.com

Product Folder Links: REF1925 REF1930 REF1933 REF1941

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Copyright © 2014–2017, Texas Instruments Incorporated

Typical Characteristics (continued)

At TA = 25°C, IL = 0 mA, VIN = 5-V power supply, CL = 0 µF, and 2.5-V output, unless otherwise noted.

VBIAS output

IL = –20 mA

Figure 13. Load Regulation Sinking vs Temperature (VBIAS)

VREF output

Figure 14. Line Regulation vs Temperature (VREF)

VBIAS output

Figure 15. Line Regulation vs Temperature (VBIAS)

CL = 0 µF

Figure 16. Power-Supply Rejection Ratio vs Frequency

CL = 10 µF

Figure 17. Power-Supply Rejection Ratio vs Frequency

CL = 1 µF

Figure 18. Line Transient Response