THS3120 - Single, Low Noise, High Output Drive, 475mA Current-Feedback Amplifier with Power-down

The THS3120 and THS3121 are low-noise, high-voltage, high output current drive, current-feedback amplifiers designed to operate over a wide supply range of ±5 V to ±15 V for today's high-performance applications.

The THS3120 offers a power saving mode by providing a power-down pin for reducing the 7-mA quiescent current of the device, when the device is not active.

These amplifiers provide well-regulated ac performance characteristics. Most notably, the 0.1-dB flat bandwidth is exceedingly high, reaching beyond 90 MHz. The unity-gain bandwidth of 130 MHz allows for good distortion characteristics at 10 MHz. Coupled with high 1700-V/µs slew rate, the THS3120 and THS3121 amplifiers allow for high output voltage swings at high frequencies.

The THS3120 and THS3121 are offered in an SOIC-8 (D) package and an MSOP-8 (DGN) PowerPAD package.

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• Low Noise:
  • 1 pA/√Hz Noninverting Current Noise
  • 10 pA/√Hz Inverting Current Noise
  • 2.5 nV/√Hz Voltage Noise
• High Output Current Drive: 475 mA
• High Slew Rate:
  • 1700 V/µs (R_L = 50 , V_O = 8 V_PP)
• Wide Bandwidth: 120 MHz (G = 2, R_L = 50 )
• Wide Supply Range: ±5 V to ±15 V
• Power-Down Feature: (THS3120 Only)
• APPLICATIONS
  • Video Distribution
  • Power FET Driver
  • Pin Driver
  • Capacitive Load Driver

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