7.6 Typical Characteristics (continued)

at TA = 25°C, VIN = VEN = VREF + 0.3 V, IL = 0 mA, CL = 10 µF, CIN = 0.1 µF (unless otherwise noted)

Noise Bin (ppmp-p)

0

8

16

24

32

40

1.2

2

2.8 3.6 4.4 5.2

6

6.8 7.6 8.4 9.2 10 10.8

CL= 10uF

CL = 1uF

Figure 7-7. 0.1 Hz to 10 Hz Noise Distribution

(VREF = 2.5 V, CNR = Open, IL = 0 mA)

Noise Bin (ppmp-p)

0

8

16

24

32

40

1.2

2

2.8 3.6 4.4 5.2

6

6.8 7.6 8.4 9.2 10 10.8

CL = 10uF

CL = 1uF

Figure 7-8. 0.1 Hz to 10 Hz Noise Distribution

(VREF = 5 V, CNR = Open, IL = 0 mA)

Noise Bin (ppmp-p)

0

8

16

24

32

40

1.2

2

2.8 3.6 4.4 5.2

6

6.8 7.6 8.4 9.2 10 10.8

CNR = Open

CNR = 1uF

CNR = 10uF

Figure 7-9. 0.1 Hz to 10 Hz Noise Distribution

(VREF = 2.5 V, CL = 1 μF, IL = 0 mA)

Noise Bin (ppmp-p)

0

16

32

48

64

80

1.2

2

2.8 3.6 4.4 5.2

6

6.8 7.6 8.4 9.2 10 10.8

IL = 0mA

IL = 1mA

IL = 10mA

Figure 7-10. 0.1 Hz to 10 Hz Noise Distribution

(VREF = 2.5 V, CL = 1 μF, CNR = Open)

Frequency (Hz)

10

100

1000

10000

100000

0

150

300

450

600

750

CL = 0.1F

CL = 1F

CL = 10F

Figure 7-11. Noise Density vs Frequency

(VREF = 1.25 V, IL = 0 mA)

Frequency (Hz)

10

100

1000

10000

100000

0

200

400

600

800

1000

CL = 0.1F

CL = 1F

CL = 10F

Figure 7-12. Noise Density vs Frequency

(VREF = 2.5 V, IL = 0 mA)

REF35

SNAS809A – DECEMBER 2021 – REVISED AUGUST 2022

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