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MAX4108, MAX4109, MAX4308, MAX4309
400MHz, Ultra-Low-Distortion Op Amps
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Status
Description
The MAX4108/MAX4109/MAX4308/MAX4309 op amps combine ultra-high-speed performance with ultra-low-distortion operation. The MAX4108 is compensated for unity-gain stability; the MAX4109, MAX4308, and MAX4309 are compensated for minimum closed-loop gains (AVCL) of 2V/V, 5V/V, and 10V/V, respectively.
The MAX4108 delivers a 400MHz unity-gain bandwidth with a 1200V/µs slew rate. An ultra-low-distortion design provides an unprecedented spurious-free dynamic range of -93dBc (MAX4108) at 5MHz (VOUT = 2VP-P, RL = 100Ω), making these amplifiers ideal for high-performance RF signal processing.
These high-speed op amps feature a wide output voltage swing and a high-current output-drive capability of 90mA.
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Data Sheet
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Key Features
- High Speed:
- 400MHz Unity-Gain Bandwidth (MAX4108)
- 225MHz -3dB Bandwidth (AVCL = +2, MAX4109)
- 220MHz -3dB Bandwidth (AVCL = +5, MAX4308)
- 200MHz -3dB Bandwidth (AVCL = +10, MAX4309)
- 1200V/µs Slew Rate
- Excellent Spurious-Free Dynamic Range:
- -93dBc at fC = 5MHz (MAX4108)
- -90dBc at fC = 5MHz (MAX4109)
- 100MHz 0.1dB Gain Flatness (MAX4108)
- High Full-Power Bandwidth: 300MHz (MAX4108, VO = 2VP-P)
- High Output Drive: 90mA
- Output Short-Circuit Protected
- Low Differential Gain/Phase: 0.004%/0.008°
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Applications/Uses
- Active Filters
- Broadcast and High-Definition TV Systems
- High-Performance Receivers
- High-Speed ADC/DAC Preamp
- Pulse/RF Amplifier
- RGB and Composite Video
- Ultrasound
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Diagram
 Typical Application Circuit
Notes and Comments
Ultra-low distortion: -81/-80dBc at 20MHz (SFDR) (MAX4108/MAX4109)
Minimum closed-loop gains (AVCL) of 2V/V, 5V/V, and 10V/V, respectively (MAX4308/MAX4309)
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Information Index
Document Ref.: 19-0461
Rev 2;
1997-04-01
This page last modified: 2007-11-30
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