AD8045ARDZ-REEL7(RevB) 查看數據表（PDF） - Analog Devices

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AD8045ARDZ-REEL7
(Rev.:RevB)

3 nV/√Hz, Ultralow Distortion, High Speed Op Amp

Analog Devices 

Data Sheet

AD8045

1

1

CH1 50.0mV

M4.00ns

A CH1 0.00V

Figure 71. Small Signal Transient Response of 90 MHz LPF

CH1 500mV

M4.00ns

A CH1 0.00V

Figure 72. Large Signal Transient Response of 90 MHz LPF

INPUT

RT

49.9Ω

R1

249Ω

C1

7.1pF

+5V 10µF

R2

249Ω

C2

7.1pF

0.1µF

U1

10µF

–5V

R4

499Ω

0.1µF

R3

499Ω

R5

249Ω

C3

7.1pF

+5V 10µF

R6

249Ω

C4

7.1pF

0.1µF

U1

10µF

–5V

R7

499Ω

0.1µF

R8

499Ω

Figure 73. 4-Pole, 90 MHz, Sallen-Key Low-Pass Filter

RT

49.9Ω

R9

24.9Ω

C5

5pF

OUTPUT

Rev. B | Page 21 of 24

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