| Allicdata Part #: | OPA643NCT-ND |
| Manufacturer Part#: |
OPA643N/250 |
| Price: | $ 0.00 |
| Product Category: | Integrated Circuits (ICs) |
| Manufacturer: | Texas Instruments |
| Short Description: | IC OPAMP VFB 800MHZ SOT23-5 |
| More Detail: | Voltage Feedback Amplifier 1 Circuit SOT-23-5 |
| DataSheet: |  OPA643N/250 Datasheet/PDF |
| Quantity: | 1000 |
| 1 +: | 0.00000 |
Specifications
| Voltage - Input Offset: | 2.5mV |
| Base Part Number: | OPA643 |
| Supplier Device Package: | SOT-23-5 |
| Package / Case: | SC-74A, SOT-753 |
| Mounting Type: | Surface Mount |
| Operating Temperature: | -40°C ~ 85°C |
| Voltage - Supply, Single/Dual (±): | ±4.5 V ~ 5.5 V |
| Current - Output / Channel: | 60mA |
| Current - Supply: | 20mA |
| Series: | -- |
| Current - Input Bias: | 19µA |
| Gain Bandwidth Product: | 800MHz |
| Slew Rate: | 1000 V/µs |
| Output Type: | -- |
| Number of Circuits: | 1 |
| Amplifier Type: | Voltage Feedback |
| Part Status: | Obsolete |
| Packaging: | Cut Tape (CT) |
Description
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The OPA643N/250 is a linear amplifier and instrumentation amplifier often used as a buffer amp. It is designed to work as a low-distortion signal amp in a variety of analog applications including test and measurement, signal conditioning, motion detection, and monitoring systems. With a high gain accuracy and stability, the OPA643N/250 is a valuable tool for both engineering and scientific development.The OPA643N/250 is a BiFET transconductor amplifier which combines the advantages of both bipolar and MOS transistors. This amplifier was specifically designed for high frequency applications and is capable of delivering a higher signal-to-noise ratio, as well as high frequency stability.The OPA643N/250 utilizes bipolar transistors on the input stages, which allows the amplifier to handle high input voltages up to ±25V. The output stage features a modified Darlington configuration, minimizing distortion and creating a wide range of output voltages and gains. This stage also works with a rail-to-rail design, allowing it to achieve high linear gains.The OPA643N/250 has several working principles. The first is the gain boosting effect, which allows the amplifier to boost the output voltage from a small starting signal to a higher level, dependent on the gain of the amplifier. This effect is provided by the high gain accuracy of the amplifier, and is used in applications such as signal conditioning. The OPA643N/250 also utilizes transconduction, where an input current is converted by the amplifier into a corresponding output voltage. This allows for precision control of the output voltage and gain, resulting in improved signal accuracy. The device also utilizes linearity error correction, which helps to minimize distortion and noise. This is done by measuring the actual output voltage and comparing it to the expected output voltage and then adjusting the gain and output voltage to match the expected value.In applications using the OPA643N/250, the device can provide a wide range of power supplies, inputs, and outputs, depending on the type of application. In test and measurement, the amplifier can provide a single-ended input/output range at ±5V, allowing it to measure a wide range of frequencies and amplitudes in a reliable, accurate manner. In motion detection, the OPA643N/250 can serve as a low-noise amplifier, allowing it to detect small displacements and orientations that would otherwise be undetectable. For monitoring systems, the amplifier can provide a range of input/outputs for a variety of applications, any of which need low-noise operation and precision.The OPA643N/250 is an invaluable tool for linear amplifiers, instrumentation amplifiers, buffers, and a variety of analog applications. With its high gain accuracy, transconduction properties, and linearity error correction, the device can provide precise measurements, improved accuracy, and reduced distortion and noise.
The specific data is subject to PDF, and the above content is for reference
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