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SGM8552 – Dual Rail-to-Rail I/O Precision Operational Amplifier Chip MSOP-8 Package

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Description

The SGM8552 features rail-to-rail input and output, providing maximum output swing from the negative rail to the positive rail, making it suitable for low-voltage systems. It is a dual op-amp with a high degree of precision, ultra-low offset voltage, and low noise performance. This IC is commonly used in instrumentation, signal conditioning, audio systems, and other high-precision applications.

Features

  • Dual Rail-to-Rail I/O: The operational amplifier can swing from the negative rail to the positive rail, allowing maximum output range.
  • Low Input Offset Voltage: Typically 50µV, minimizing errors and providing high accuracy.
  • Low Input Bias Current: Typically 1pA, which helps in reducing errors when working with high-impedance sources.
  • Low Noise: Excellent noise performance with a low noise density, ideal for low-level signal amplification.
  • Wide Supply Voltage Range: Works from +2.7V to +36V (single supply) or ±1.35V to ±18V (dual supply), making it versatile across different power supply configurations.
  • Low Power Consumption: Typically 0.8mA per amplifier, making it suitable for low-power designs and battery-operated applications.
  • High Common-Mode Rejection Ratio (CMRR): Typically 120dB, ensuring excellent performance in noisy environments.
  • High Power Supply Rejection Ratio (PSRR): Typically 120dB, enhancing stability in fluctuating power supply conditions.
  • High Slew Rate: Typically 0.3V/µs, enabling the IC to handle fast-changing signals.
  • Unity Gain Stable: Stable when configured for unity gain, suitable for a wide variety of applications.
  • Low Total Harmonic Distortion (THD): Ensuring minimal signal distortion, especially in high-fidelity and audio applications.

Specifications

  • Input Offset Voltage:
    • Typically 50µV, maximum 200µV.
  • Input Bias Current:
    • Typically 1pA, maximum 5pA.
  • Input Offset Current:
    • Typically 0.1nA, maximum 1nA.
  • Voltage Noise Density:
    • Typically 2.5nV/√Hz at 1kHz.
  • Power Supply Voltage:
    • +2.7V to +36V (single supply) or ±1.35V to ±18V (dual supply).
  • Quiescent Current:
    • Typically 0.8mA per amplifier.
  • Common-Mode Rejection Ratio (CMRR):
    • Typically 120dB.
  • Power Supply Rejection Ratio (PSRR):
    • Typically 120dB.
  • Slew Rate:
    • Typically 0.3V/µs.
  • Gain Bandwidth Product:
    • Typically 1.0MHz.
  • Total Harmonic Distortion (THD):
    • Typically 0.0002% at 1kHz.
  • Output Voltage Swing:
    • Typically 0V to V+ – 0.2V, depending on load conditions.

Note

* Product Images are shown for illustrative purposes only and may differ from actual product

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