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High-Speed, Single-Supply, Gain of 2, Closed-Loop, Rail-to-Rail Buffers with Enable

Product Details

Key Features

Applications/Uses

Parametric specs for Video/Wideband Buffers
# Amplifiers 1
BW (MHz) (@ -3dB) 230
Slew Rate (V/µs) 600
Single Supply Yes
BW (MHz) (0.1dB min) 50
ICC (mA) (per Amp.) 5.5
IOUT (mA) (min) 120
Diff. Phase/ Gain (deg/%) 0.04/0.03
AV (V/V) -1
2
Package/Pins SOT23/5
Oper. Temp. (°C) -40 to +85
Budgetary
Price (See Notes)
$3.31 @1k
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Simplified Block Diagram

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Parameters

Parametric specs for Video/Wideband Buffers
# Amplifiers 1
BW (MHz) (@ -3dB) 230
Slew Rate (V/µs) 600
Single Supply Yes
BW (MHz) (0.1dB min) 50
ICC (mA) (per Amp.) 5.5
IOUT (mA) (min) 120
Diff. Phase/ Gain (deg/%) 0.04/0.03
AV (V/V) -1
2
Package/Pins SOT23/5
Oper. Temp. (°C) -40 to +85
Budgetary
Price (See Notes)
$3.31 @1k

Key Features

  • Internal Precision Resistors for Closed-Loop Gains of +2V/V or -1V/V
  • High Speed
    • 230MHz -3dB Bandwidth
    • 90MHz 0.1dB Gain Flatness (MAX4219/MAX4222)
    • 600V/µs Slew Rate
  • Single 3.3V/5.0V Operation
  • Outputs Swing Rail-to-Rail
  • Input Common-Mode Range Extends Beyond VEE
  • Low Differential Gain/Phase Error: 0.03%/0.04°
  • Low Distortion at 5MHz
    • -72dBc SFDR
    • -71dB Total Harmonic Distortion
  • High Output Drive: ±120mA
  • Low 5.5mA Supply Current
  • 400µA Shutdown Supply Current (MAX4215/MAX4219)
  • Space-Saving SOT23, µMAX®, or QSOP Packages

Applications/Uses

  • ADC Interface
  • Battery-Powered Applications
  • CCD Imaging
  • Video Line Driver
  • Video Multiplexing
  • Video Routing and Switching Systems

Description

The MAX4214/MAX4215/MAX4217/MAX4219/MAX4222 are precision, closed-loop, gain of +2 (or -1) buffers featuring high slew rates, high output current drive, and low differential gain and phase error. They operate with a single 3.15V to 11V supply or with ±1.575V to ±5.5V dual supplies. The input common-mode voltage range extends 100mV beyond the negative power-supply rail, and the output swings Rail-to-Rail.

These devices require only 5.5mA of quiescent supply current while achieving a 230MHz -3dB bandwidth and a 600V/µs slew rate. In addition, the MAX4215/MAX4219 have a disable feature that reduces the supply current to 400µA per buffer. Input voltage noise is only 10nV per root-Hz , and input current noise is only 1.3pA per root-Hz. This buffer family is ideal for low-power/low-voltage applications requiring wide bandwidth, such as video, communications, and instrumentation systems. For space-sensitive applications, the MAX4214 comes in a miniature 5-pin SOT23 package.

Simplified Block Diagram

MAX4214, MAX4215, MAX4217, MAX4219, MAX4222: Typical Operating Circuit MAX4214, MAX4215, MAX4217, MAX4219, MAX4222: Typical Operating Circuit Zoom icon

Technical Docs

Support & Training

Search our knowledge base for answers to your technical questions.

Filtered Search

Our dedicated team of Applications Engineers are also available to answer your technical questions. Visit our support portal .