1 Features

1• 500 MHz, 500 mV −3 dB Bandwidth, AV = 2

• 400 MHz, 2 VPP −3 dB Bandwidth, AV = 2

• 8 ns Channel Switching Time

• 70 dB Channel to Channel Isolation at 10 MHz

• 0.02%, 0.05° Diff. Gain, Phase

• 0.1 dB Gain Flatness to 150 MHz

• 2200 V/μs Slew Rate

• Wide Supply Voltage Range: 6 V (±3 V) to 12 V

(±6 V)

• −68 dB HD2 at 5 MHz

• −84 dB HD3 at 5 MHz

2 Applications

• Video Router

• Multi Input Video Monitor

• Instrumentation / Test Equipment

• Receiver IF Diversity Switch

• Multi Channel A/D Driver

• Picture in Picture Video Switch

3 Description

The LMH6574 is a high-performance analog

multiplexer optimized for professional grade video

and other high fidelity high bandwidth analog

applications. The output amplifier selects any one of

four buffered input signals based on the state of the

two address bits. The LMH6574 provides a 400-MHz

bandwidth at 2 VPP output signal levels. Multimedia

and high definition television (HDTV) applications can

benefit from the LMH6574 0.1 dB bandwidth of 150

MHz and its 2200 V/μs slew rate.

The LMH6574 supports composite video applications

with its 0.02% and 0.05° differential gain and phase

errors for NTSC and PAL video signals while driving

a single, back terminated 75-Ω load. An 80-mA linear

output current is available for driving multiple video

load applications.

The LMH6574 gain is set by external feedback and

gain set resistors for maximum flexibility.

The LMH6574 is available in the 14-pin SOIC

package.