ADA4891-2ARZ-R7 datasheet(9/20 Pages) AD

Part #	ADA4891-2ARZ-R7

Description	Low Cost CMOS, High Speed, Rail-to-Rail Amplifiers

PDF	20 Pages

Scroll/Zoom	100%

Manufacturer	AD [Analog Devices]

Direct Link	http://www.analog.com

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9 / 20 page

ADA4891-1/ADA4891-2

Rev. A | Page 9 of 20

0.01

0.1

100

0.01

0.1

100

FREQUENCY (MHz)

VS = 5V

G = +1

VOUT = 2V p-p

VS = 5V

G = +1

RL = 1kΩ

–100

100

Figure 24. Closed-Loop Output Impedance vs. Frequency

G = 1

VOUT = 200mV p-p

RL = 1kΩ

VS = 3V

VS = 5V

50mV/DIV

5ns/DIV

Figure 25. Small Signal Step Response, G = +1

VS = 3V

RL = 1kΩ

VS = 5V

RL = 150Ω

VS = 3V

RL = 150Ω

VS = 5V

RL = 1kΩ

0.5V/DIV

10ns/DIV

G = +2

VOUT = 2V p-p

RF = 604Ω

–1

RL = 150Ω

0.5V/DIV

5ns/DIV

0.5

–0.5

Figure 26. Large Signal Step Response, G = +2

Figure 27. Large Signal Step Response, VS = 5 V

RL = 150Ω

RL = 1kΩ

VS = 3V

G = +1

VOUT = 1V p-p

5ns/DIV

0.5V/DIV

Figure 28. Large Signal Step Response, VS = 3 V

–0.30

2530

3540

–0.20

–0.10

0.10

0.20

0.30

VS =+5V

G= +2

RF =604Ω

RL =150Ω

VOUT =2Vp-p

5ns/DIV

0.10%/DIV

Figure 29. Short-Term Settling Time to 0.1%

ADA4891-2ARZ-R7 Datasheet(PDF) 9 Page - Analog Devices

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