Thông số kỹ thuật
| thuộc tính | Giá trị |
| Package / Case | Tube |
| Part Status | Active |
| Amplifier Type | Audio |
| Number of Circuits | 2 |
| Slew Rate | 7V/µs |
| Gain Bandwidth Product | 15 MHz |
| Current - Input Bias | 500 nA |
| Voltage - Input Offset | 300 µV |
| Supply Current | 5mA (x2 Channels) |
| Current - Output / Channel | 40 mA |
| Voltage - Supply Span(Min) | 10 V |
| Voltage - Supply Span(Max) | 30 V |
| Operating Temperature | -40°C ~ 85°C |
| Mounting Type | Surface Mount |
Tổng quan
Description
The LM833M is a dual operational amplifier designed for audio applications, known for its low noise and low distortion characteristics. It is part of the LM833 series, which is ideal for high-fidelity audio systems. The device operates with a wide supply voltage range, typically from ±5V to ±15V, making it versatile for various audio equipment.
The LM833M offers a high gain bandwidth product of 15MHz, ensuring excellent performance in demanding audio applications. Its low total harmonic distortion (THD) and noise levels make it suitable for use in preamplifiers, equalizers, and active filters. Additionally, the LM833M features a high slew rate of 7V/µs, which contributes to its ability to handle fast transient signals effectively.
The op-amp is designed in an 8-pin SOIC (Small Outline Integrated Circuit) package, which is compact and suitable for space-constrained designs. Its high input impedance and low output impedance contribute to its superior audio performance. Overall, the LM833M is a reliable choice for audio professionals seeking quality and precision in their audio circuitry designs.
The LM833M offers a high gain bandwidth product of 15MHz, ensuring excellent performance in demanding audio applications. Its low total harmonic distortion (THD) and noise levels make it suitable for use in preamplifiers, equalizers, and active filters. Additionally, the LM833M features a high slew rate of 7V/µs, which contributes to its ability to handle fast transient signals effectively.
The op-amp is designed in an 8-pin SOIC (Small Outline Integrated Circuit) package, which is compact and suitable for space-constrained designs. Its high input impedance and low output impedance contribute to its superior audio performance. Overall, the LM833M is a reliable choice for audio professionals seeking quality and precision in their audio circuitry designs.
Equivalent
The LM833M is a dual low-noise operational amplifier. Equivalent products include:
1. NE5532 - A popular dual low-noise op-amp.
2. NJM4558 - Another commonly used dual op-amp.
3. OPA2134 - Known for low distortion and low noise.
4. TL072 - A JFET-input dual op-amp, though with slightly different characteristics.
5. MC33078 - Offers low noise and high slew rate.
These equivalents may have slight variations in performance and specifications, so always verify compatibility with your application.
1. NE5532 - A popular dual low-noise op-amp.
2. NJM4558 - Another commonly used dual op-amp.
3. OPA2134 - Known for low distortion and low noise.
4. TL072 - A JFET-input dual op-amp, though with slightly different characteristics.
5. MC33078 - Offers low noise and high slew rate.
These equivalents may have slight variations in performance and specifications, so always verify compatibility with your application.
Features
The LM833M is a dual operational amplifier designed for audio applications, offering high-performance features suitable for precision audio processing. Key features include:
1. Low Noise: It exhibits low voltage noise, making it ideal for audio frequency applications where signal integrity is crucial.
2. Low Distortion: The amplifier ensures minimal harmonic distortion, enhancing audio clarity and fidelity.
3. Wide Bandwidth: With a wide bandwidth, the LM833M can handle a broad spectrum of audio signals efficiently.
4. High Slew Rate: This feature allows the amplifier to respond quickly to rapid changes in input signals, crucial for maintaining audio signal quality.
5. Dual Channels: It includes two operational amplifiers in one package, offering convenience for stereo or other multi-channel applications.
6. Bipolar Input: The device employs a bipolar input stage, providing better performance in terms of offset voltage and drift.
7. Low Power Consumption: The LM833M is designed to operate efficiently, consuming minimal power which is beneficial for portable and battery-powered devices.
These features make the LM833M a suitable choice for high-quality audio equipment and precision audio processing tasks.
1. Low Noise: It exhibits low voltage noise, making it ideal for audio frequency applications where signal integrity is crucial.
2. Low Distortion: The amplifier ensures minimal harmonic distortion, enhancing audio clarity and fidelity.
3. Wide Bandwidth: With a wide bandwidth, the LM833M can handle a broad spectrum of audio signals efficiently.
4. High Slew Rate: This feature allows the amplifier to respond quickly to rapid changes in input signals, crucial for maintaining audio signal quality.
5. Dual Channels: It includes two operational amplifiers in one package, offering convenience for stereo or other multi-channel applications.
6. Bipolar Input: The device employs a bipolar input stage, providing better performance in terms of offset voltage and drift.
7. Low Power Consumption: The LM833M is designed to operate efficiently, consuming minimal power which is beneficial for portable and battery-powered devices.
These features make the LM833M a suitable choice for high-quality audio equipment and precision audio processing tasks.
Pinout
The LM833M is a dual operational amplifier. It typically comes in an 8-pin package, such as the SOIC-8. Here is a brief overview of its pin configuration and functions:
1. Pin 1 (OUT A): Output of the first operational amplifier (Op-Amp A).
2. Pin 2 (IN- A): Inverting input for Op-Amp A.
3. Pin 3 (IN+ A): Non-inverting input for Op-Amp A.
4. Pin 4 (V- or VEE): Negative power supply voltage.
5. Pin 5 (IN+ B): Non-inverting input for the second operational amplifier (Op-Amp B).
6. Pin 6 (IN- B): Inverting input for Op-Amp B.
7. Pin 7 (OUT B): Output of Op-Amp B.
8. Pin 8 (V+ or VCC): Positive power supply voltage.
The LM833M is designed for high-speed, low-noise applications. It features low distortion and wide bandwidth, making it suitable for audio applications and precision signal processing tasks.
1. Pin 1 (OUT A): Output of the first operational amplifier (Op-Amp A).
2. Pin 2 (IN- A): Inverting input for Op-Amp A.
3. Pin 3 (IN+ A): Non-inverting input for Op-Amp A.
4. Pin 4 (V- or VEE): Negative power supply voltage.
5. Pin 5 (IN+ B): Non-inverting input for the second operational amplifier (Op-Amp B).
6. Pin 6 (IN- B): Inverting input for Op-Amp B.
7. Pin 7 (OUT B): Output of Op-Amp B.
8. Pin 8 (V+ or VCC): Positive power supply voltage.
The LM833M is designed for high-speed, low-noise applications. It features low distortion and wide bandwidth, making it suitable for audio applications and precision signal processing tasks.
Manufacturer
The LM833M is manufactured by Texas Instruments, a global semiconductor company. Texas Instruments, often abbreviated as TI, is headquartered in Dallas, Texas, and is known for designing and producing a wide range of electronic components, including analog and embedded processing chips. The company serves various industries, such as automotive, industrial, personal electronics, communications equipment, and enterprise systems. TI is one of the leading companies in the semiconductor industry, recognized for its innovation and contribution to technology development.
Application
The LM833M is a dual operational amplifier known for its low noise and high speed, making it suitable for various audio and signal processing applications. It is commonly used in:
1. Audio Equipment: Enhancing sound quality in mixers, equalizers, and pre-amplifiers.
2. Signal Processing: Amplifying small signals in filters and active crossover networks.
3. Instrumentation: Applications requiring high precision and low noise, such as medical devices and measurement systems.
4. Communications: Improving signal clarity in transceivers and modems.
5. Consumer Electronics: Enhancing performance in devices requiring high-quality audio processing.
Its wide frequency response and low distortion make it ideal for applications demanding high fidelity.
1. Audio Equipment: Enhancing sound quality in mixers, equalizers, and pre-amplifiers.
2. Signal Processing: Amplifying small signals in filters and active crossover networks.
3. Instrumentation: Applications requiring high precision and low noise, such as medical devices and measurement systems.
4. Communications: Improving signal clarity in transceivers and modems.
5. Consumer Electronics: Enhancing performance in devices requiring high-quality audio processing.
Its wide frequency response and low distortion make it ideal for applications demanding high fidelity.
Package
The LM833M is typically available in an 8-pin surface-mount SOIC (Small Outline Integrated Circuit) package.
