Overview
The LM833 is a standard low-cost monolithic dual general-purpose operational amplifier produced by onsemi. It employs bipolar technology with innovative high-performance concepts, making it particularly suitable for audio systems applications. The LM833 features high frequency PNP transistors, which contribute to its low voltage noise, high gain bandwidth product, and high slew rate. These characteristics make it an excellent choice for a variety of audio and general-purpose amplification needs.
Key Specifications
| Parameter | Min | Typ | Max | Unit |
|---|---|---|---|---|
| Supply Voltage (VCC to VEE) | +36 | V | ||
| Input Differential Voltage Range | 30 | V | ||
| Input Voltage Range | ±15 | V | ||
| Input Offset Voltage (RS = 10 Ω, VO = 0 V) | -0.3 | 0.3 | 5.0 | mV |
| Average Temperature Coefficient of Input Offset Voltage | -2.0 | µV/°C | ||
| Input Offset Current (VO = 0 V, VIC = 0 V) | 25 | 200 | nA | |
| Input Bias Current (VO = 0 V, VIC = 0 V) | 300 | 1000 | nA | |
| Input Common Mode Voltage Range | ±12 | ±14 | V | |
| Large Signal Voltage Gain (RL = 2 kΩ, VO = ±10 V) | 90 | 100 | dB | |
| Output Voltage Swing (RL = 2.0 kΩ, VID = ±1 V) | V | |||
| Gain Bandwidth Product | 15 | MHz | ||
| Slew Rate | 7.0 | V/µs | ||
| Operating Temperature Range | -40 | 85 | °C |
Key Features
- Low Voltage Noise: 4.5 nV/√Hz, making it suitable for low-noise audio applications.
- High Gain Bandwidth Product: 15 MHz, ensuring high-frequency performance.
- High Slew Rate: 7.0 V/µs, allowing for fast signal transitions.
- Low Input Offset Voltage: 0.3 mV with a low temperature coefficient of 2.0 µV/°C.
- Low Distortion: 0.002%, which is crucial for high-fidelity audio applications.
- Excellent Frequency Stability: Maintains stability across a wide range of frequencies.
- Dual Supply Operation: Can operate from ±5 V to ±18 V, providing flexibility in power supply design.
- No Deadband Crossover Distortion: Ensures smooth output voltage transitions.
- Large Output Voltage Swing: Allows for a wide range of output voltages.
- Pb-Free Packages: Available in lead-free packages, complying with RoHS standards.
Applications
The LM833 is widely used in various audio and general-purpose amplification applications, including:
- Audio Pre-Amplifiers: Due to its low noise and high gain bandwidth, it is ideal for pre-amplifying audio signals.
- Audio Power Amplifiers: Its high slew rate and low distortion make it suitable for driving audio power amplifiers.
- Professional Audio Equipment: Used in mixers, equalizers, and other professional audio gear where high fidelity is required.
- Consumer Electronics: Found in home audio systems, CD players, and other consumer audio devices.
- Industrial Control Systems: Can be used in various industrial control and measurement applications requiring high accuracy and stability.
Q & A
- What is the typical input offset voltage of the LM833?
The typical input offset voltage of the LM833 is 0.3 mV.
- What is the gain bandwidth product of the LM833?
The gain bandwidth product of the LM833 is 15 MHz.
- What is the slew rate of the LM833?
The slew rate of the LM833 is 7.0 V/µs.
- What is the operating temperature range of the LM833?
The operating temperature range of the LM833 is from -40°C to 85°C.
- Is the LM833 available in Pb-Free packages?
Yes, the LM833 is available in Pb-Free packages, which are RoHS compliant.
- What is the typical noise voltage of the LM833?
The typical noise voltage of the LM833 is 4.5 nV/√Hz.
- Can the LM833 operate with a single supply voltage?
No, the LM833 is designed for dual supply operation, but it can be used with a single supply voltage by using appropriate biasing techniques.
- What are the common applications of the LM833?
The LM833 is commonly used in audio pre-amplifiers, audio power amplifiers, professional audio equipment, consumer electronics, and industrial control systems.
- What is the input common mode voltage range of the LM833?
The input common mode voltage range of the LM833 is ±12 V to ±14 V.
- Does the LM833 exhibit deadband crossover distortion?
No, the LM833 output stage does not exhibit deadband crossover distortion.
