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OPA657N/250
+Lista de MateriaisIC OPAMP VFB 1 CIRCUIT SOT23-5
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FabricanteTexas Instruments
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Peça do Fabricante #OPA657N/250
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Ficha Técnica OPA657N/250 DataSheet
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Especificações
| Atributo | Valor |
| PartStatus | Active |
| AmplifierType | Voltage Feedback |
| NumberofCircuits | 1 |
| SlewRate | 700V/µs |
| -3dbBandwidth | 350 MHz |
| Current-InputBias | 2 pA |
| Voltage-InputOffset | 250 µV |
| Current-Supply | 14mA |
| Current-Output/Channel | 70 mA |
| Voltage-SupplySpan(Min) | 8 V |
| Voltage-SupplySpan(Max) | 12 V |
| OperatingTemperature | -40°C ~ 85°C |
| MountingType | Surface Mount |
| Package/Case | SC-74A, SOT-753 |
| SupplierDevicePackage | SOT-23-5 |
| BaseProductNumber | OPA657 |
| GainBandwidthProduct | 1.6 GHz |
Visão Geral
Description
Key features include low input offset voltage, low input bias current, and low distortion, which ensure high fidelity in signal processing. The device operates over a wide supply voltage range, enhancing its flexibility in various circuits. It is available in a compact 8-pin SOIC or VSSOP package, which facilitates integration into space-constrained designs.
The OPA657N/250 is particularly valued for its fast settling time and stability across a range of loads, making it ideal for use in high-speed data acquisition and communication systems. Its robust design and performance characteristics make it a reliable choice for engineers seeking precision and speed.
Equivalent
1. AD8065 from Analog Devices
2. THS3201 from Texas Instruments
3. LT6200 from Analog Devices
4. LMH6629 from Texas Instruments
These alternatives offer similar features like high bandwidth, low noise, and fast settling times, making them suitable for similar applications in precision instrumentation and high-speed data acquisition systems. Always check the specific datasheets to ensure compatibility with your application.
Features
1. Ultra-High Gain Bandwidth Product: Offers a gain bandwidth of 1.6 GHz, making it suitable for high-frequency applications.
2. Low Input Voltage Noise: Provides a low input voltage noise of 4.8 nV/√Hz, ideal for precise signal processing.
3. Fast Slew Rate: Boasts a fast slew rate of 2900 V/µs, enabling rapid signal changes without distortion.
4. Low Distortion: Delivers low harmonic distortion, which is critical for maintaining signal integrity in demanding applications.
5. High Input Impedance: Features high input impedance, which minimizes loading effects on the source signal.
6. Unity-Gain Stability: Capable of operating reliably at unity gain, offering versatility in various circuit configurations.
7. Wide Supply Voltage Range: Supports a wide supply voltage range, increasing its adaptability to different power environments.
8. Compact Packaging: Available in compact packages that facilitate easy integration into space-constrained designs.
These features make the OPA657N/250 suitable for applications such as high-speed data acquisition, communications, and precision instrumentation.
Pinout
Here is a brief overview of its pin functions:
1. Non-Inverting Input (+IN): Receives the positive voltage input for the op-amp.
2. Inverting Input (-IN): Receives the negative voltage input for the op-amp.
3. V- (Negative Power Supply): Connects to the negative power supply voltage.
4. Output: Provides the amplified signal output.
5. V+ (Positive Power Supply): Connects to the positive power supply voltage.
6. NC (No Connect): Not connected internally, often left open or used for mechanical stability.
7. NC (No Connect): Another pin, typically not internally connected.
8. Offset Null or NC: Used for offset voltage nulling in some configurations or left unconnected.
This op-amp is designed for high-speed applications, offering a wide bandwidth and high slew rate, making it suitable for use in RF, video, and other high-frequency circuits.
Manufacturer
Application
1. Photodiode Amplifiers: Ideal for high-speed and low-noise photodiode transimpedance amplifiers.
2. High-Speed Data Acquisition: Useful in systems requiring fast signal processing.
3. Test and Measurement Equipment: Suitable for precision instrumentation.
4. Wideband Active Filters: Employed in constructing wideband active filters.
5. Analog-to-Digital Converters (ADCs): Enhances ADC performance by providing clean, fast signals.
6. Pulse Amplifiers: Effective in applications requiring high slew rates and minimal pulse distortion.
These applications benefit from the OPA657N/250's high gain bandwidth and low input voltage noise.