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Texas Instruments LM6172 Voltage Feedback Amplifier

Texas Instruments LM6172 Voltage Feedback Amplifier is a dual high-speed, low power, low distortion, voltage feedback amplifier. It is unity-gain stable and provides excellent DC and AC performance. With 100MHz unity-gain bandwidth, 3000V/μs slew rate, and 50mA of output current per channel, the LM6172 offers high performance in dual amplifiers; yet it only consumes 2.3mA of supply current each channel.

The Texas Instruments LM6172 operates on a ±15V power supply for systems requiring large voltage swings, such as ADSL, scanners, and ultrasound equipment. It is also specified at ±5V power supply for low voltage applications such as portable video systems. The LM6172 is built with National’s advanced VIP III (Vertically Integrated PNP) complementary bipolar process.

Features

  • Available with radiation guarantee
  • 300 krad(Si) high dose rate
  • ELDRS free (100 krad(Si))
  • Easy to use voltage feedback topology
  • 3000V/μs high slew rate
  • 100MHz wide unity-gain bandwidth
  • 2.3mA/amplifier low supply current
  • 50mA/amplifier high output current
  • Specified for ±15V and ±5V operation

Applications

  • Scanner I-to-V converters
  • ADSL/HDSL drivers
  • Multimedia broadcast systems
  • Video amplifiers
  • NTSC, PAL®, and SECAM systems
  • ADC/DAC buffers
  • Pulse amplifiers and peak detectors

Simplified Schematic

Schematic - Texas Instruments LM6172 Voltage Feedback Amplifier

Texas Instruments LM6172 Voltage Feedback Amplifier