5.6 Typical Characteristics (continued)

at TA = 25°C, VS = 5V (±2.5V) to 10V (±5V), OUTA RL = 10kΩ connected to VS / 2, OUTB RL = 2kΩ connected to VS / 2,

VCM = VREFA = VS / 2, VREFGND = VS–, II1 = 1µA, and II2 = 1µA (unless otherwise noted)

Figure 5-25. Step Response for Decade Steps, Rising

Time (25µs/div)

1.00

0.75

0.50

0.25

0.00

-0.25

-0.50

-0.75

-1.00

II1 1nA–100pA

II1 10nA–1nA

II1 100nA–10nA

II1 1µA–100nA

II1 10µA–1µA

II1 100µA–10µA

II1 1mA–100µA

II1 10mA–1mA

Figure 5-26. Step Response for Decade Steps, Falling

Time (100ns/div)

0.50

0.25

0.00

II1 1µA–100µA

Figure 5-27. Step Response for Two-Decade Step

Frequency (Hz)

100

1000

10000

1

10

100

1k

10k

100k

REF165

REF25

VS = 10V (±5V)

Figure 5-28. Voltage-Reference-Noise Spectral Density

Frequency (Hz)

-30

-27

-24

-21

-18

-15

-12

-9

-6

-3

0

3

100

1k

10k

100k

1M

10M

II1 = 100pA

II1 = 1nA

II1 = 10nA

II1 = 100nA

II1 = 1µA

II1 = 10µA

II1 = 100µA

II1 = 1mA

II1 = 10mA

10% sine modulation

Figure 5-29. Small-Signal II1 AC Response

Frequency (Hz)

-30

-25

-20

-15

-10

-5

0

5

10

15

10

100

1k

10k

100k

1M

10M

II2 = 100pA

II2 = 1nA

II2 = 10nA

II2 = 100nA

II2 = 1µA

II2 = 10µA

II2 = 100µA

II2 = 1mA

10% sine modulation

Figure 5-30. Small-Signal II2 AC Response

LOG200

SBOSA28A – AUGUST 2023 – REVISED DECEMBER 2024

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