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PRODUCT DESCRIPTION

The AD8009 is an ultrahigh speed current feedback amplifier with a phenomenal 5,500 V/μs slew rate that results in a rise time of 545 ps, making it ideal as a pulse amplifier. The high slew rate reduces the effect of slew rate limiting and results in the large signal bandwidth of 440 MHz required for high resolution video graphic systems. Signal quality is maintained over a wide bandwidth with worst-case distortion of –40 dBc @ 250 MHz (G = +10, 1 V p-p). For applications with multitone signals, such as IF signal chains, the third order intercept (3IP) of 12 dBm is achieved at the same frequency. This distortion performance coupled with the current feedback architecture make the AD8009 a flexible component for a gain stage amplifier in IF/RF signal chains.

FEATURES

Ultrahigh Speed

5,500 V/
s Slew Rate, 4 V Step, G = +2

545 ps Rise Time, 2 V Step, G = +2

Large Signal Bandwidth

440 MHz, G = +2

320 MHz, G = +10

Small Signal Bandwidth (–3 dB)

1 GHz, G = +1

700 MHz, G = +2

Settling Time 10 ns to 0.1, 2 V Step, G = +2

Low Distortion over Wide Bandwidth

SFDR

–66 dBc @ 20 MHz, Second Harmonic

–75 dBc @ 20 MHz, Third Harmonic

Third Order Intercept (3IP)

26 dBm @ 70 MHz, G = +10

Good Video Specifications

Gain Flatness 0.1 dB to 75 MHz

0.01 Differential Gain Error, RL = 150 

0.01 Differential Phase Error, RL = 150 

High Output Drive

175 mA Output Load Drive

10 dBm with –38 dBc SFDR @ 70 MHz, G = +10

Supply Operation

+5 V to 5 V Voltage Supply

14 mA (Typ) Supply Current

APPLICATIONS

Pulse Amplifier

IF/RF Gain Stage/Amplifiers

High Resolution Video Graphics

High Speed Instrumentations

CCD Imaging Amplifier