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THS3491 - 500-mA High-Power Output Current Feedback Amplifier

General Description

The THS3491 current feedback amplifier (CFA) provides a new level of performance for applications requiring the lowest distortion at high output power levels from DC through values greater than 100 MHz at 100-Ω loads.

Key Features

  • Bandwidth:.
  • 900 MHz (VO = 2 VPP, AV = 5 V/V).
  • 320 MHz (VO = 10 VPP, AV = 5 V/V).
  • Slew rate: 8000 V/µs (VO = 20 VPP).
  • Input voltage noise: 1.7 nV/√ Hz.
  • Bipolar supply range: ±7 V to ±16 V.
  • Single-supply range: 14 V to 32 V.
  • Output swing: 28 VPP (±16-V supplies, 100-Ω load).
  • Linear output current: ±420 mA (typical).
  • 16.8-mA trimmed supply current (low temperature coefficient).
  • HD2 and HD3: less than.

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Full PDF Text Transcription (Reference)

The following content is an automatically extracted verbatim text from the original manufacturer datasheet and is provided for reference purposes only.

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THS3491 SBOS875C – AUGUST 2017 – REVISED FEBRUARY 2023 THS3491 900-MHz, 500-mA High-Power Output Current Feedback Amplifier 1 Features • Bandwidth: – 900 MHz (VO = 2 VPP, AV = 5 V/V) – 320 MHz (VO = 10 VPP, AV = 5 V/V) • Slew rate: 8000 V/µs (VO = 20 VPP) • Input voltage noise: 1.7 nV/√ Hz • Bipolar supply range: ±7 V to ±16 V • Single-supply range: 14 V to 32 V • Output swing: 28 VPP (±16-V supplies, 100-Ω load) • Linear output current: ±420 mA (typical) • 16.8-mA trimmed supply current (low temperature coefficient) • HD2 and HD3: less than –75 dBc (50 MHz, VO = 10 VPP, 100-Ω load) • Rise and fall time: 1.3 ns (10-V step) • Overshoot: 1.