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OPA657U
+BOM-
Nhà sản xuấtTexas Dụng cụ
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Ông. Phần #OPA657U
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Thông số kỹ thuật
| thuộc tính | Giá trị |
| Package / Case | Bulk,Tube |
| Part Status | Active |
| Amplifier Type | Voltage Feedback |
| Number of Circuits | 1 |
| Slew Rate | 700V/µs |
| Gain Bandwidth Product | 1.6 GHz |
| -3 dB Bandwidth | 350 MHz |
| Current - Input Bias | 2 pA |
| Voltage - Input Offset | 250 µV |
| Supply Current | 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 |
Tổng quan
Description
The OPA657U operates with a single or dual power supply, providing versatility in various circuit configurations. Its operational temperature range allows for reliable performance in diverse environmental conditions. The device is available in an SOIC-8 package, which is compact and suited for space-constrained designs. With its combination of speed, precision, and low noise, the OPA657U is ideal for use in systems requiring fast and accurate signal processing, such as oscilloscopes, RF circuits, and high-speed data converters.
Equivalent
1. AD8009 from Analog Devices
2. THS3201 from Texas Instruments
3. LMH6629 from Texas Instruments
4. LT1028 from Analog Devices
These alternatives are selected based on similar bandwidth, slew rate, and gain characteristics. However, exact equivalence depends on specific application requirements, so it's essential to verify compatibility.
Features
1. High Bandwidth: The amplifier offers a wide bandwidth of approximately 1.6 GHz, making it suitable for high-speed applications.
2. Low Input Bias Current: With an input bias current of just a few picoamperes, it is ideal for applications requiring high input impedance.
3. Low Noise: The OPA657U provides low voltage noise, enhancing its performance in low-level signal applications.
4. Slew Rate: It features a high slew rate of 2400 V/µs, allowing rapid response to input signal changes.
5. Low Distortion: The amplifier maintains low distortion levels, making it suitable for high-fidelity applications.
6. Unity-Gain Stability: It is stable at unity gain, offering flexibility in circuit design.
7. Package Options: The OPA657U is available in standard IC packages, facilitating easy integration into existing systems.
These characteristics make the OPA657U an excellent choice for applications such as photodiode transimpedance amplifiers, ADC drivers, and precision data acquisition systems.
Pinout
Pin Functions:
1. OUT (Pin 1): Output of the amplifier.
2. -IN (Pin 2): Inverting input.
3. +IN (Pin 3): Non-inverting input.
4. V- (Pin 4): Negative power supply voltage.
5. NC (Pin 5): No connection or not internally connected.
6. NC (Pin 6): No connection or not internally connected.
7. V+ (Pin 7): Positive power supply voltage.
8. NC (Pin 8): No connection or not internally connected.
The OPA657U is designed for high-speed applications and offers a very high open-loop gain, low input voltage noise, and minimal distortion across a wide frequency range.
Manufacturer
Application
1. Instrumentation: Used in high-precision measurement systems due to its low noise and high gain bandwidth.
2. Data Acquisition: Ideal for systems needing fast and accurate data capture, like oscilloscopes and spectrum analyzers.
3. Medical Imaging: Employed in ultrasound and other diagnostic equipment for processing high-frequency signals.
4. Optical Systems: Used in photodiode amplifiers and fiber optic communications for converting and amplifying optical signals.
5. Test Equipment: Integral in devices that require fast and accurate signal processing.
These applications benefit from the OPA657U’s fast settling time and low distortion characteristics.