ADA4350ARUZ-R7 datasheet(20/38 Pages) AD

20 / 38 page

Data Sheet

ADA4350

Rev. B | Page 19 of 37

FET INPUT AMPLIFIER

Unless otherwise stated, RL = 1 kΩ. For Vs = ±5 V, DVDD = +5 V, and for Vs = ±2.5 V, DVDD = +3.3 V.

–18

–15

–12

–9

–6

–3

0.1

100

FREQUENCY (MHz)

VS = ±5V

VOUT = 100mV p-p

G = +2

RF = 1kΩ

CF = 3pF

G = –5

RF = 5kΩ

G = +10

RF = 9kΩ

Figure 15. Small Signal Frequency Response for Various Gains, VS = ±5 V,

See Test Circuit Diagrams in Figure 50 and Figure 51

–18

–15

–12

–9

–6

–3

0.1

100

FREQUENCY (MHz)

VS = 5V

VOUT = 100mV p-p

G = +2

RF = 1kΩ

CF = 3pF

G = –5

RF = 5kΩ

G = +10

RF = 9kΩ

Figure 16. Small Signal Frequency Response for Various Gains, VS = 5 V,

See Test Circuit Diagrams in Figure 50 and Figure 51

–18

–15

–12

–9

–6

–3

0.1

100

FREQUENCY (MHz)

VS = ±5V

VOUT = 2V p-p

G = +2

RF = 1kΩ,

CF = 3pF

G = –5

RF = 5kΩ

G = +10

RF = 9kΩ

Figure 17. Large Signal Frequency Response for Various Gains, VS = ±5 V,

See Test Circuit Diagrams in Figure 50 and Figure 51

–18

–15

–12

–9

–6

–3

0.1

100

FREQUENCY (MHz)

VS = 5V

VOUT = 1V p-p

G = +2

RF = 1kΩ

CF = 3pF

G = –5

RF = 5kΩ

G = +10

RF = 9kΩ

Figure 18. Large Signal Frequency Response for Various Gains, VS = 5 V,

See Test Circuit Diagrams in Figure 50 and Figure 51

–1.5

–1.0

–0.5

0.5

1.0

1.5

TIME (100ns/DIV)

VS = ±5V

G = –5

VOUT = 2V p-p

VS = ±2.5V

Figure 19. Large Signal Step Response for Various Supplies, G = −5

–0.3

–0.2

–0.1

0.1

0.2

0.3

TIME (10ns/DIV)

VS = ±5V

VOUT = 2V STEP

G = –5

RF = 5kΩ

TIME = 10ns/DIV

Figure 20. 0.1% Settling Time

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