Overview
The LMV824DRE4, produced by Texas Instruments, is a quad low-voltage, low-power operational amplifier. This device is part of the LMV8xx series, which includes single, dual, and quad configurations. The LMV824 is designed for applications requiring multiple amplifiers in a single package, offering significant space and cost savings.
The LMV824 operates over a wide range of supply voltages from 2.5V to 5.5V, making it versatile for various low-voltage systems. It is characterized by its low power consumption, rail-to-rail output swing, and high gain bandwidth, making it suitable for a variety of applications including audio, medical devices, and industrial control systems.
Key Specifications
| Parameter | Typical Value | Minimum Value | Maximum Value |
|---|---|---|---|
| Supply Voltage Range | 2.5V to 5.5V | 2.5V | 5.5V |
| Input Offset Voltage (TCVOS) | 1 μV/°C | - | - |
| Input Bias Current (IB) | 30 nA | 30 nA | 90 nA |
| Common Mode Rejection Ratio (CMRR) | 70 dB to 85 dB | 70 dB | 85 dB |
| Positive Power Supply Rejection Ratio (+PSRR) | 75 dB to 85 dB | 75 dB | 85 dB |
| Output Swing (V+ = 2.7V, RL = 600Ω) | 2.50V to 2.58V | 2.40V | 2.58V |
| Output Current (Sourcing, VO = 0V) | 12 mA to 16 mA | 12 mA | 16 mA |
| Supply Current (ICC) per Amplifier | 1 mA | 1 mA | 1.3 mA |
| Operating Temperature Range | -40°C to 85°C | -40°C | 85°C |
| Gain Bandwidth Product | 5.5 MHz | - | - |
| Slew Rate | 1.9 V/μs | - | - |
Key Features
- Low Voltage Operation: The LMV824 operates from 2.5V to 5.5V, making it suitable for low-voltage systems.
- Low Power Consumption: Typical supply current is 1 mA per amplifier, reducing power consumption in battery-powered devices.
- Rail-to-Rail Output Swing: The output voltage can swing close to the supply rails, maximizing the dynamic range of the signal.
- No Crossover Distortion: Ensures clean and distortion-free output signals.
- High Gain Bandwidth Product: 5.5 MHz at 5V supply, suitable for high-frequency applications.
- High Slew Rate: 1.9 V/μs at 5V supply, enabling fast signal transitions.
- Wide Operating Temperature Range: -40°C to 85°C, and up to 125°C for the LMV824I version.
Applications
- Audio Systems: Suitable for audio applications due to its low noise and high fidelity characteristics.
- Medical Devices: Used in medical equipment where low power and high accuracy are critical.
- Industrial Control Systems: Ideal for industrial control and monitoring systems that require multiple amplifiers.
- Portable Electronics: Suitable for battery-powered devices due to its low power consumption.
- Sensor Interfaces: Can be used to amplify signals from various sensors in different applications.
Q & A
- What is the supply voltage range of the LMV824?
The LMV824 operates from 2.5V to 5.5V.
- What is the typical input offset voltage of the LMV824?
The typical input offset voltage is 1 μV/°C.
- What is the common mode rejection ratio (CMRR) of the LMV824?
The CMRR is between 70 dB and 85 dB.
- What is the output swing of the LMV824 when V+ = 2.7V and RL = 600Ω?
The output swing is between 2.50V and 2.58V.
- What is the typical supply current per amplifier for the LMV824?
The typical supply current is 1 mA per amplifier.
- What is the gain bandwidth product of the LMV824?
The gain bandwidth product is 5.5 MHz at 5V supply.
- What is the slew rate of the LMV824?
The slew rate is 1.9 V/μs at 5V supply.
- What is the operating temperature range of the LMV824?
The operating temperature range is -40°C to 85°C, and up to 125°C for the LMV824I version.
- Is the LMV824 suitable for audio applications?
Yes, it is suitable for audio applications due to its low noise and high fidelity characteristics.
- Can the LMV824 be used in medical devices?
Yes, it can be used in medical devices where low power and high accuracy are critical.
