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OPA2891DR
+物料清單Dual-channel 180MHz 0.95nV Hz
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製造商德州儀器
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製造商部分 #OPA2891DR
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有存貨3286
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規格
| 屬性 | 價值 |
| Series | OPAx891 |
| Part Status | Active |
| Amplifier Type | Standard (General Purpose) |
| Number of Circuits | 2 |
| Output Type | Push-Pull |
| Slew Rate | 105V/µs |
| Gain Bandwidth Product | 180 MHz |
| Current - Input Bias | 9 µA |
| Voltage - Input Offset | 200 µV |
| Supply Current | 7.5mA (x2 Channels) |
| Current - Output / Channel | 200 mA |
| Voltage - Supply Span (Min) | 9 V |
| Voltage - Supply Span (Max) | 36 V |
| Operating Temperature | -40°C ~ 85°C (TA) |
| Mounting Type | Surface Mount |
| Package / Case | 8-SOIC (0.154", 3.90mm Width) |
| Supplier Device Package | 8-SOIC |
| -3 dB Bandwidth | 135 MHz |
概述
Description
With a bandwidth of 10 MHz and a slew rate of 20 V/μs, the OPA2891DR can handle fast signal changes while maintaining stability and linearity. It boasts low total harmonic distortion (THD) and good power supply rejection ratio (PSRR), contributing to its effectiveness in high-fidelity audio and precision measurement systems.
Packaged in an 8-pin SOIC, the OPA2891DR is easy to integrate into circuit designs. Its robust performance and versatility make it a popular choice among engineers for applications requiring high precision and low noise.
Equivalent
Features
1. Low Offset Voltage: Typically 0.1 mV, ensuring accuracy in signal processing.
2. Wide Supply Voltage Range: Operates from ±2.5 V to ±18 V, accommodating various applications.
3. High Open-Loop Gain: Provides excellent linearity with a minimum of 120 dB.
4. Low Noise: 8 nV/√Hz at 1 kHz, making it suitable for sensitive applications.
5. Low Total Harmonic Distortion (THD): Typically 0.0005% at 1 kHz, ensuring high fidelity.
6. Rail-to-Rail Output: Allows the output to swing close to the supply rails, maximizing dynamic range.
7. High Slew Rate: 27 V/µs, supporting fast signal changes and high-frequency applications.
8. High Bandwidth: Unity-gain bandwidth of 10 MHz, suitable for a variety of signal conditioning tasks.
9. Low Supply Current: Consumes only 1.3 mA per channel, enhancing energy efficiency.
These features make the OPA2891DR ideal for precision instrumentation, audio, and control applications.
Pinout
1. Pin 1 (OUTA): Output for the first op-amp.
2. Pin 2 (–INA): Inverting input for the first op-amp.
3. Pin 3 (+INA): Non-inverting input for the first op-amp.
4. Pin 4 (V–): Negative power supply voltage.
5. Pin 5 (V+): Positive power supply voltage.
6. Pin 6 (+INB): Non-inverting input for the second op-amp.
7. Pin 7 (–INB): Inverting input for the second op-amp.
8. Pin 8 (OUTB): Output for the second op-amp.
The OPA2891DR is designed for precision applications, offering low noise, low distortion, and high bandwidth. It operates on a supply voltage range of ±2.5V to ±18V.
Manufacturer
Texas Instruments serves various markets, including automotive, industrial, communications, and consumer electronics, providing solutions that enhance performance and efficiency in electronic designs. The OPA2891DR is a precision operational amplifier, recognized for its low noise and low distortion, making it suitable for applications in audio, instrumentation, and signal processing.
Overall, Texas Instruments is characterized by its technological innovation, commitment to quality, and extensive portfolio of electronic components, positioning it as a key player in the global semiconductor market.
Application
1. Signal Processing: Ideal for amplifying low-level signals in audio and instrumentation systems.
2. Medical Devices: Utilized in biosensors and medical instrumentation for accurate signal amplification.
3. Data Acquisition Systems: Employed in transducer signal conditioning and sensor interfaces.
4. Industrial Control: Used in process control systems and automation applications.
5. Communication Systems: Suitable for RF and baseband signal processing in telecom equipment.
6. Consumer Electronics: Applied in audio equipment and electronic devices for high-fidelity performance.