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MAX442

Maxim
Part Number MAX442
Manufacturer Maxim
Description 140MHz / 2-Channel Video Multiplexer/Amplifier
Published Jun 13, 2005
Detailed Description 19-0016; Rev 1; 1/95 140MHz, 2-Channel Video Multiplexer/Amplifier _______________General Description The MAX442 combin...
Datasheet PDF File MAX442 PDF File

MAX442
MAX442

Overview
19-0016; Rev 1; 1/95 140MHz, 2-Channel Video Multiplexer/Amplifier _______________General Description The MAX442 combines a 140MHz video amplifier with a high-speed, 2-channel multiplexer in an 8-pin package.
With its 36ns switching time and low differential gain (0.
07%) and phase (0.
09°) errors, it is ideal for broadcast-quality video applications.
The device is designed to drive both 50Ω and 75Ω cables, and can directly drive a 75Ω load to ±3V.
The MAX442 video amplifier is compensated for unitygain stability, and features a 140MHz bandwidth and a 250V/µs slew rate.
The multiplexer’s low input capacitance (4pF with the channel on or off) maximizes highspeed performance, and a ground pin separating the two input channels minimizes crosstalk and simplifies board layout.
The MAX442 operates from ±5V supplies and typically consumes 300mW.
For applications that require more input channels, see the data sheets for the MAX440 8channel mux/amp and the MAX441 4-channel mux/amp.
____________________________Features o 140MHz Unity-Gain Bandwidth o 250V/µs Slew Rate o 0.
07%/0.
09° Differential Gain/Phase Error o 36ns Channel Switch Time o No External Compensation Components o 8-Pin DIP and SO Packages o Directly Drives 50Ω and 75Ω Cables MAX442 ______________Ordering Information PART MAX442CPA MAX442CSA MAX442C/D MAX442EPA MAX442ESA TEMP.
RANGE 0°C to +70°C 0°C to +70°C 0°C to +70°C -40°C to +85°C -40°C to +85°C PIN-PACKAGE 8 Plastic DIP 8 SO Dice* 8 Plastic DIP 8 SO ________________________Applications Broadcast-Quality Video-Signal Multiplexing Coaxial-Cable Drivers Video Editing Video Security Systems Medical Imaging High-Speed Signal Processing *Dice are specified at TA = +25°C, DC parameters only.
__________Typical Operating Circuit +5V __________________Pin Configuration TOP VIEW 0.
1µF V+ MAX442 VOUT VIDEO SIGNALS IN IN0 270Ω IN270Ω 75Ω 75Ω CABLE VIDEO OUTPUT IN0 1 GND 2 IN1 3 V- 4 8 7 A0 V+ VOUT IN- IN1 A0 GND V0.
1µF 75Ω MAX442 6 5 DIP/SO CHANNEL SE...


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