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Analog Devices Inc. Analog Devices 高速低功耗轨到轨输出放大器

Analog Devices 高速, 1nV/√Hz, 低功耗轨到轨输出放大器是一款电压反馈型放大器，具有单位增益稳定、低噪声、轨到轨输出等特点，静态电流为3mA。10Hz时，1/f 噪声为 2.4nV/√Hz，无杂散动态范围为 −80dBc(2MHz)，适用于超声波、低噪声放大器，以及高性能ADC驱动器等多种应用场合。Analog Devices 公司专属的下一代 SiGe 双极工艺和创新架构，使高性能放大器成为现实。

Capable of operating from a wide supply voltage range of 3V to 10V, the ADA489x Amplifiers offer a 230MHz bandwidth, 120V/μs slew rate, and settle to 0.1% in 45ns. With a 1/f noise of 2.4nV/√Hz at 10Hz and a spurious-free dynamic range of −80dBc at 2MHz, the ADA489x Amplifiers are ideal for a variety of applications that require precision, a high dynamic range, low power, and high speed. These applications include but are not limited to ultrasound, low-noise preamplifiers, and drivers of high-performance ADCs.

特性

  • Low wideband noise
    • 1nV/√Hz
    • 2.8pA/√Hz
  • 2.4nV/√Hz at 10Hz Low 1/f noise
  • −115dBc at 100kHz, VOUT = 2V p-p Low distortion
  • 3mA per amplifier low power
  • 0.5mV maximum low input offset voltage
  • High speed
    • 230MHz (G = +1) −3dB bandwidth
    • 120V/μs Slew rate 
    • 45ns Settling time to 0.1%
  • Rail-to-rail output
  • 3V to 10V Wide supply range
  • Disable feature (ADA4897-1 / ADA4897-2)

应用

  • Low noise preamplifier
  • Ultrasound amplifiers
  • PLL loop filters
  • High-performance ADC drivers
  • DAC buffers

Functional Block Diagram

框图 - Analog Devices Inc. Analog Devices 高速低功耗轨到轨输出放大器
发布日期: 2013-05-28 | 更新日期: 2022-03-11