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OPA657U +BOM

1.6GHz, Low Noise, FET-Input Operational Amplifier

OPA657U Information

Description

The Texas Instruments OPA657U is a high-speed, low-noise operational amplifier (op-amp) designed for wideband applications. It features a bandwidth of 38 MHz, making it suitable for use in high-speed signal processing, data acquisition systems, and communication systems. The op-amp has a low input offset voltage of 0.1 mV and a low input bias current of 1 pA, resulting in excellent noise performance. Additionally, the OPA657U is unity-gain stable and can operate from a single supply voltage between 4.5 V to 12 V. Its SOIC-8 package makes it easy to integrate into various applications. The op-amp's low noise density and high bandwidth make it an ideal choice for wideband transimpedance amplifiers, radar systems, and precision instrumentation.

Features

The OPA657U features:

  • High-speed operational amplifier with a wide bandwidth of 38 MHz
  • Low input offset voltage of 0.1 mV
  • Low input bias current of 1 pA
  • Low noise density of 4.1 nV/√Hz
  • Unity-gain stable
  • Single-supply operation from 4.5 V to 12 V
  • Available in SOIC-8 package

These features make the OPA657U suitable for applications such as wideband transimpedance amplifiers, high-speed signal processing, and data acquisition systems.

Package

The package type of OPA657U is SOIC-8 (Small Outline Integrated Circuit - 8).

Pinout

The OPA657U has an 8-pin SOIC (Small Outline Integrated Circuit) package.

According to the datasheet, the pin functions are:

  • VCC: Positive voltage supply (input)
  • IN+: Inverting input
  • IN-: Non-inverting input
  • OUT: Output stage
  • REF: Reference input
  • COMP: Compensation terminal for the amplifier's feedback network -VEE/VIN: Negative voltage input
  • Please note that this information is based on the provided datasheet, and I assume it represents the official product description from Texas Instruments.

    Manufacturer

    The manufacturer of the OPA657U is Texas Instruments (TI), a leading global semiconductor company that designs, manufactures, tests, and sells analog and embedded processing semiconductors. TI's products include microprocessors, memory devices, sensors, and other specialized components used in a wide range of applications, including industrial automation, automotive systems, medical devices, and consumer electronics.

    Applications

    The OPA657U is commonly used in wideband transimpedance amplifiers, high-speed signal processing, data acquisition systems, high-speed communication systems, medical imaging equipment, test and measurement instrumentation, radar systems, and precision instrumentation.

    Equivalent

    The equivalent products of OPA657U are:

    • OP27
    • OP97
    • LM833
    • AD8461
    • THS4505

    These operational amplifiers share similar characteristics, such as high-speed operation, low noise, and wide bandwidth, making them suitable for applications like data acquisition, signal processing, and communication systems.

    Specifications

    Category Integrated Circuits (ICs)LinearAmplifiersInstrumentation, OP Amps, Buffer Amps Amplifier Type Voltage Feedback
    Number of Circuits 1 Output Type -
    Slew Rate 700V/µs Gain Bandwidth Product 1.6 GHz
    -3db Bandwidth 350 MHz Current - Input Bias 2 pA
    Voltage - Input Offset 250 µV Current - Supply 14mA
    Current - Output / Channel 70 mA Voltage - Supply Span (Min) 8 V
    Voltage - Supply Span (Max) 12 V Operating Temperature -40°C ~ 85°C
    Mounting Type Surface Mount Base Product Number OPA657
    Package/Case SOP8

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    Ratings and Reviews

    More
    T
    T**r 08/28/2024

    The boards checked work good.

    14
    J
    J**y 08/24/2020

    In the place of five, put 6.) thanks.

    16
    M
    M**h 06/15/2020

    Service at the level, thank you samiore store. Good luck in business!

    7

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