Overview
The LMV321IDBVR is a single-channel, low-voltage operational amplifier produced by Texas Instruments. This device is part of the LMV321, LMV358, and LMV324 family, which are designed for low-voltage operation and are cost-effective solutions for applications requiring space-saving and low power consumption. The LMV321 operates within a voltage range of 2.7 V to 5.5 V and is known for its rail-to-rail output swing, making it suitable for a variety of applications where low-voltage operation is critical.
Key Specifications
| Parameter | Value | Unit |
|---|---|---|
| Supply Voltage (VCC) | 2.7 to 6 | V |
| Operating Temperature Range | -40 to 125 | °C |
| Input Offset Voltage (Vio) | 0.1 to 3 | mV |
| Input Offset Current (Iio) | 1 to 9 | nA |
| Input Bias Current (Iib) | 10 to 50 | nA |
| Common Mode Rejection Ratio (CMR) | 55 to 95 | dB |
| Supply Voltage Rejection Ratio (SVR) | 70 to 90 | dB |
| Large Signal Voltage Gain (Avd) | 70 to 100 | V/V |
| Output Current (Io) | 5 to 46 | mA |
| Gain Bandwidth Product (GBP) | 1 | MHz |
| Slew Rate (SR) | 0.35 | V/μs |
| Phase Margin (ɸm) | 44 | Degrees |
| Input Voltage Noise (en) | 40 | nV/√Hz |
| Total Harmonic Distortion (THD) | 0.01 % | % |
| Package Type | SOT-23-5 |
Key Features
- Low-Voltage Operation: The LMV321 operates within a voltage range of 2.7 V to 5.5 V, making it suitable for low-power applications.
- Rail-to-Rail Output Swing: This feature allows the output voltage to swing from the negative supply voltage to the positive supply voltage, maximizing the dynamic range of the amplifier.
- No Crossover Distortion: Ensures clean and distortion-free output signals.
- Low Supply Current: The LMV321 has a typical supply current of 130 µA, which is beneficial for power-sensitive applications.
- ESD Protection: Exceeds JESD 22 standards with 2000-V human-body model and 1000-V charged-device model.
- Compact Packaging: Available in the SOT-23-5 package, which is space-efficient and suitable for compact designs.
Applications
- Portable Electronics: Ideal for battery-powered devices due to its low-voltage and low-power consumption characteristics.
- Industrial Automation: Suitable for various industrial control systems where low-voltage operation and compact design are essential.
- Medical Devices: Can be used in medical equipment that requires low power consumption and reliable operation over a wide temperature range.
- Automotive Systems: Applicable in automotive electronics where space and power efficiency are critical.
- Consumer Electronics: Used in a variety of consumer electronic devices that require low-voltage operational amplifiers.
Q & A
- What is the operating voltage range of the LMV321?
The LMV321 operates within a voltage range of 2.7 V to 5.5 V.
- What is the typical supply current of the LMV321?
The typical supply current of the LMV321 is 130 µA).
- Does the LMV321 have rail-to-rail output swing?
Yes, the LMV321 has rail-to-rail output swing, allowing the output voltage to swing from the negative supply voltage to the positive supply voltage).
- What is the package type of the LMV321IDBVR?
The LMV321IDBVR is available in the SOT-23-5 package).
- What are the operating temperature ranges for the LMV321?
The operating temperature range for the LMV321 is -40°C to 125°C).
- Does the LMV321 have ESD protection?
Yes, the LMV321 has ESD protection that exceeds JESD 22 standards with 2000-V human-body model and 1000-V charged-device model).
- What is the gain bandwidth product (GBP) of the LMV321?
The gain bandwidth product (GBP) of the LMV321 is 1 MHz).
- What is the slew rate of the LMV321?
The slew rate of the LMV321 is 0.35 V/μs).
- Is the LMV321 suitable for portable electronics?
Yes, the LMV321 is suitable for portable electronics due to its low-voltage and low-power consumption characteristics).
- Are there upgraded versions of the LMV321?
Yes, there are upgraded versions such as the LMV321A, LMV358A, and LMV324A, which offer enhanced performance).
