LM7171 Datasheet Text
LM7171
SNOS760D
- MAY 1999
- REVISED FEBRUARY 2024
LM7171 Very High Speed, High Output Current, Voltage Feedback Amplifier
1 Features
- Typical values unless otherwise noted
- Easy-to-use voltage-feedback topology
- Very high slew rate: 4100V/μs
- Wide unity-gain bandwidth: 200MHz
- - 3dB frequency at AV = +2: 220MHz
- Low supply current: 6.5mA
- High open-loop gain: 85dB
- High output current: 100mA
- Differential gain and phase: 0.01%, 0.02º
- Specified for ±15V and ±5V operation
2 Applications
- HDSL and ADSL drivers
- Multimedia broadcast systems
- Professional video cameras
- Video amplifiers
- Copiers, scanners, fax
- HDTV amplifiers
- Pulse amplifiers and peak detectors
- CATV and fiber optics signal processing
3 Description
The LM7171 is a high-speed voltage-feedback amplifier that has the slewing characteristic of a current-feedback amplifier, but can be used in all traditional voltage-feedback amplifier configurations. The LM7171 is stable for gains as low as +2 or
- 1. The device provides a very high slew rate at 4100V/μs and a wide unity-gain bandwidth of 200MHz, while consuming only 6.5mA of supply current. The LM7171 is an excellent choice for video and high-speed signal processing applications, such as HDSL and pulse amplifiers. With 100mA of output current, the LM7171 is used for video distribution, as a transformer driver, or as a laser diode driver.
Operation on ±15V power supplies allows for large signal swings and provides greater dynamic range and signal-to-noise ratio. The LM7171 offers low SFDR and THD, which is excellent for ADC/DAC systems. In addition, the LM7171 is specified for ±5V operation for portable applications.
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