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OPA1678IDR
+BOM-
メーカーSTマイクロエレクトロニクス
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メーカー品番 #OPA1678IDR
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在庫状況5742
365 日間品質保証
7*24 日間の品質保証
90-時間単位のサービス保証
1日間のアフターサービス保証
仕様
| 属性 | 値 |
| Package | Tape & Reel (TR),Cut Tape (CT) |
| ProductStatus | Active |
| AmplifierType | Audio |
| NumberofCircuits | 2 |
| OutputType | Rail-to-Rail |
| SlewRate | 9V/µs |
| GainBandwidthProduct | 16 MHz |
| Current-InputBias | 10 pA |
| Voltage-InputOffset | 500 µV |
| Current-Supply | 2mA (x2 Channels) |
| Current-Output/Channel | 50 mA |
| Voltage-SupplySpan(Min) | 4.5 V |
| Voltage-SupplySpan(Max) | 36 V |
| OperatingTemperature | -40°C ~ 85°C |
| MountingType | Surface Mount |
| Package/Case | 8-SOIC (0.154, 3.90mm Width) |
概要
Description
The OPA1678IDR is a high-performance operational amplifier designed for audio applications. Manufactured by Texas Instruments, it is part of the OPA167x series and is known for its low noise and low distortion characteristics, making it ideal for professional audio equipment. The OPA1678IDR features a wide bandwidth of 16 MHz and a low total harmonic distortion plus noise (THD+N) of 0.0001% at 1 kHz, ensuring clarity and fidelity in audio signals. It operates with a single supply voltage range from 4.5 V to 36 V or dual supplies from ±2.25 V to ±18 V, offering flexibility in various circuit designs.
The device comes in an 8-pin SOIC (Small Outline Integrated Circuit) package, which is suitable for compact and space-constrained applications. It is optimized for low power consumption while delivering high performance, making it suitable for use in preamplifiers, active filters, and other audio processing circuits. With a slew rate of 10 V/µs, the OPA1678IDR provides fast response to changes in input signals, contributing to its high-quality audio output.
The device comes in an 8-pin SOIC (Small Outline Integrated Circuit) package, which is suitable for compact and space-constrained applications. It is optimized for low power consumption while delivering high performance, making it suitable for use in preamplifiers, active filters, and other audio processing circuits. With a slew rate of 10 V/µs, the OPA1678IDR provides fast response to changes in input signals, contributing to its high-quality audio output.
Equivalent
The OPA1678IDR is a low-noise, general-purpose operational amplifier. Equivalent products that can serve similar applications include:
1. TL072 series from Texas Instruments
2. NE5532 from ON Semiconductor or Texas Instruments
3. NJM4580 from NJR (New Japan Radio Co.)
4. LM4562 from Texas Instruments
5. AD712 or AD822 from Analog Devices
These alternatives may have slight differences in specifications, so it's important to verify compatibility with your specific application requirements.
1. TL072 series from Texas Instruments
2. NE5532 from ON Semiconductor or Texas Instruments
3. NJM4580 from NJR (New Japan Radio Co.)
4. LM4562 from Texas Instruments
5. AD712 or AD822 from Analog Devices
These alternatives may have slight differences in specifications, so it's important to verify compatibility with your specific application requirements.
Features
The OPA1678IDR is a high-performance operational amplifier from Texas Instruments, designed for audio applications. Key features include:
1. Low Noise: It offers a low noise floor, making it ideal for high-fidelity audio applications.
2. Low Distortion: The amplifier provides low total harmonic distortion (THD), ensuring clean and accurate sound reproduction.
3. Rail-to-Rail Output: It supports rail-to-rail output, maximizing dynamic range and improving output swing in low-voltage applications.
4. Wide Bandwidth: With a wide bandwidth, it supports high-speed signal processing.
5. High Slew Rate: The high slew rate allows for rapid changes in output voltage, suitable for fast transient signals.
6. Low Power Consumption: Designed to be power-efficient, it is suitable for battery-powered devices.
7. Wide Supply Range: It operates over a wide supply voltage range, providing flexibility in different design environments.
8. Unity-Gain Stability: It is stable at unity gain, offering versatility in various amplifier configurations.
These features make the OPA1678IDR suitable for professional audio equipment, portable devices, and other applications requiring high-quality audio amplification.
1. Low Noise: It offers a low noise floor, making it ideal for high-fidelity audio applications.
2. Low Distortion: The amplifier provides low total harmonic distortion (THD), ensuring clean and accurate sound reproduction.
3. Rail-to-Rail Output: It supports rail-to-rail output, maximizing dynamic range and improving output swing in low-voltage applications.
4. Wide Bandwidth: With a wide bandwidth, it supports high-speed signal processing.
5. High Slew Rate: The high slew rate allows for rapid changes in output voltage, suitable for fast transient signals.
6. Low Power Consumption: Designed to be power-efficient, it is suitable for battery-powered devices.
7. Wide Supply Range: It operates over a wide supply voltage range, providing flexibility in different design environments.
8. Unity-Gain Stability: It is stable at unity gain, offering versatility in various amplifier configurations.
These features make the OPA1678IDR suitable for professional audio equipment, portable devices, and other applications requiring high-quality audio amplification.
Pinout
The OPA1678IDR is an operational amplifier from Texas Instruments. It is an 8-pin device, typically housed in a standard SOIC (Small Outline Integrated Circuit) package. Here is a brief overview of its pin functions:
1. Pin 1 (OUTA): Output of channel A.
2. Pin 2 (V- or GND): Negative supply voltage or ground.
3. Pin 3 (INA-): Inverting input of channel A.
4. Pin 4 (INA+): Non-inverting input of channel A.
5. Pin 5 (INB+): Non-inverting input of channel B.
6. Pin 6 (INB-): Inverting input of channel B.
7. Pin 7 (V+): Positive supply voltage.
8. Pin 8 (OUTB): Output of channel B.
The OPA1678 is designed for audio applications, providing low noise and low distortion performance. Its dual-channel architecture makes it suitable for stereo audio signal processing, ensuring high fidelity in audio reproduction tasks.
1. Pin 1 (OUTA): Output of channel A.
2. Pin 2 (V- or GND): Negative supply voltage or ground.
3. Pin 3 (INA-): Inverting input of channel A.
4. Pin 4 (INA+): Non-inverting input of channel A.
5. Pin 5 (INB+): Non-inverting input of channel B.
6. Pin 6 (INB-): Inverting input of channel B.
7. Pin 7 (V+): Positive supply voltage.
8. Pin 8 (OUTB): Output of channel B.
The OPA1678 is designed for audio applications, providing low noise and low distortion performance. Its dual-channel architecture makes it suitable for stereo audio signal processing, ensuring high fidelity in audio reproduction tasks.
Manufacturer
The OPA1678IDR is manufactured by Texas Instruments. Texas Instruments, often abbreviated as TI, is an American technology company that designs and manufactures semiconductors, which it sells to electronics designers and manufacturers globally. It is one of the largest semiconductor companies in the world and focuses on developing analog chips and embedded processors, which are used in a variety of electronic devices and systems. TI's products are integral to a wide range of applications, including industrial, automotive, personal electronics, and communications equipment. The company is known for its innovation in the semiconductor industry and has a long history dating back to its founding in 1930.
Application
The OPA1678IDR is a low-noise, high-performance operational amplifier commonly used in audio applications. Its key application areas include:
1. Audio Signal Processing: Suitable for professional and consumer audio equipment, such as amplifiers, mixers, and equalizers.
2. Headphone Amplifiers: Essential for driving headphones with high fidelity and low distortion.
3. Microphone Preamplifiers: Enhances microphone signals with clarity and low noise.
4. Active Filters: Used in audio and instrumentation filters requiring precision.
5. Digital-to-Analog Converters (DACs): Enhances the performance of DAC output stages.
6. Sensor Interfaces: Converts low-level sensor signals in high-fidelity applications.
Its low distortion and high bandwidth make it ideal for high-quality audio applications.
1. Audio Signal Processing: Suitable for professional and consumer audio equipment, such as amplifiers, mixers, and equalizers.
2. Headphone Amplifiers: Essential for driving headphones with high fidelity and low distortion.
3. Microphone Preamplifiers: Enhances microphone signals with clarity and low noise.
4. Active Filters: Used in audio and instrumentation filters requiring precision.
5. Digital-to-Analog Converters (DACs): Enhances the performance of DAC output stages.
6. Sensor Interfaces: Converts low-level sensor signals in high-fidelity applications.
Its low distortion and high bandwidth make it ideal for high-quality audio applications.
Package
The OPA1678IDR is an operational amplifier from Texas Instruments, and it comes in an 8-pin SOIC (Small Outline Integrated Circuit) package.
