7.6 Typical Characteristics (continued)

at TA = 25°C, VS = VSOUT = ±15 V, VICM = VOCM = 0 V, RL = 10 kΩ, and G = 1 V/V (unless otherwise noted)

Frequency (Hz)

-80

-60

-40

-20

0

20

40

10

100

1k

10k

100k

1M

10M

G = 0.125

G = 0.25

G = 0.5

G = 1

G = 2

G = 4

G = 8

G = 16

Differential load capacitance = 50 pF

Figure 7-25. Gain vs Frequency

G = 0.125 V/V

Differential load capacitance = 50 pF

Figure 7-26. Small-Signal Step Response

Time ( s)

-1

0

1

2

3

4

5

6

-100

-75

-50

-25

0

25

50

75

100

G = 1 V/V

Differential load capacitance = 50 pF

Figure 7-27. Small-Signal Step Response

Time ( s)

-1

0

1

2

3

4

5

6

-100

-75

-50

-25

0

25

50

75

100

G = 16 V/V

Differential load capacitance = 50 pF

Figure 7-28. Small-Signal Step Response

Time ( s)

-1

0

1

2

3

4

5

6

-8

-6

-4

-2

0

2

4

6

8

G = 1 V/V

Figure 7-29. Large-Signal Step Response

Time (20 s/div)

0

1

2

3

4

5

G = 4

G = 2

G = 8

G = 16

Input voltage = 250 mVPP

Figure 7-30. Gain Switching Transient Response

PGA855

SBOSAE0 – APRIL 2023

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