Ultra-High-Speed, Low-Noise, Low-Power, SOT23 Open-Loop Buffers

 

Part Number	Replacement	Explanation

Description

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The MAX4200–MAX4205 are ultra-high-speed, open-loop buffers featuring high slew rate, high output current, low noise, and excellent capacitive-load-driving capability. The MAX4200/MAX4201/MAX4202 are single buffers, while the MAX4203/MAX4204/MAX4205 are dual buffers. The MAX4201/MAX4204 have integrated 50Ω termination resistors, making them ideal for driving 50Ω transmission lines. The MAX4202/MAX4205 include 75Ω back-termination resistors for driving 75Ω transmission lines. The MAX4200/MAX4203 have no internal termination resistors.

The MAX4200–MAX4205 use a proprietary architecture to achieve up to 780MHz -3dB bandwidth, 280MHz 0.1dB gain flatness, 4200V/µs slew rate, and ±90mA output current drive capability. They operate from ±5V supplies and draw only 2.2mA of quiescent current. These features, along with low-noise performance, make these buffers suitable for driving high-speed analog-to-digital converter (ADC) inputs or for data-communications applications.

MAX4200, MAX4201, MAX4202, MAX4203, MAX4204, MAX4205: Typical Application Circuit Enlarge+

Key Features

• 2.2mA Supply Current
• High Speed
  • 780MHz -3dB Bandwidth (MAX4201/MAX4202)
  • 280MHz 0.1dB Gain Flatness (MAX4201/MAX4202)
  • 4200V/µs Slew Rate
• Low 2.1nV/√Hz Voltage-Noise Density
• Low 0.8pA/√Hz Current-Noise Density
• High ±90mA Output Drive (MAX4200/MAX4203)
• Excellent Capacitive-Load-Driving Capability
• Available in Space-Saving SOT23 or µMAX® Packages

Applications/Uses

• Digital-Transmission Line Drivers
• High-Speed ADC Input Buffers
• High-Speed DAC Buffers
• IF/Communications Systems
• Wireless Local Area Networks (WLANs)