Overview
The LMV321IDBVT is a single, low-voltage operational amplifier produced by Texas Instruments. It is part of the LMV321, LMV358, and LMV324 family, which are designed for low-voltage operation and offer cost-effective solutions for various applications. These amplifiers operate within a voltage range of 2.7 V to 5.5 V and are known for their rail-to-rail output swing, making them suitable for space-saving and low-cost designs.
The LMV321IDBVT is packaged in a SOT-23 (DBV) package with 5 pins and operates over a temperature range of -40°C to 125°C. It is an upgraded version of earlier operational amplifiers, offering enhanced performance and reliability.
Key Specifications
| Parameter | Min | Typical | Max | Unit |
|---|---|---|---|---|
| Operating Temperature Range | -40 | 125 | °C | |
| Supply Voltage Range | 2.7 | 5.5 | V | |
| Input Offset Voltage (VIO) | 1.7 | 7 | mV | |
| Input Bias Current (IIB) | 11 | 250 | nA | |
| Common-Mode Rejection Ratio (CMRR) | 50 | 63 | dB | |
| Supply Current (ICC) per Amplifier | 130 | 200 | µA | |
| Gain Bandwidth Product (GBP) | 1 | MHz | ||
| Slew Rate (SR) | 1 | V/µs | ||
| ESD Protection | 2000 V (HBM), 1000 V (CDM) | V |
Key Features
- Low-Voltage Operation: The LMV321IDBVT operates from 2.7 V to 5.5 V, making it suitable for battery-powered devices and low-voltage 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 accurate signal amplification without the distortion typically seen in other amplifiers.
- Low Supply Current: With a typical supply current of 130 µA, this amplifier is energy-efficient and suitable for power-sensitive applications.
- ESD Protection: The device has robust ESD protection, exceeding JESD 22 standards with 2000-V human-body model and 1000-V charged-device model.
- Compact Packaging: The SOT-23 (DBV) package is compact, making it ideal for space-constrained designs.
Applications
- Battery-Powered Electronic Equipment: Suitable for devices such as portable electronics, handheld instruments, and other battery-powered systems.
- Personal Medical Care Devices: Used in devices like glucose meters and other medical diagnostic equipment.
- Laptops and Mobile Devices: Ideal for low-voltage, low-power amplification needs in mobile and portable computing devices.
- Automotive Systems: Can be used in various automotive applications where low-voltage operation and reliability are critical.
- Industrial Control Systems: Suitable for use in industrial control and monitoring systems that require low-voltage, high-reliability amplifiers.
Q & A
- What is the operating voltage range of the LMV321IDBVT?
The LMV321IDBVT operates from 2.7 V to 5.5 V.
- What is the typical supply current of the LMV321IDBVT?
The typical supply current is 130 µA.
- What is the gain bandwidth product (GBP) of the LMV321IDBVT?
The gain bandwidth product is 1 MHz.
- Does the LMV321IDBVT have ESD protection?
Yes, it has robust ESD protection exceeding JESD 22 standards with 2000-V human-body model and 1000-V charged-device model.
- What is the operating temperature range of the LMV321IDBVT?
The operating temperature range is -40°C to 125°C.
- What package type is the LMV321IDBVT available in?
The LMV321IDBVT is available in a SOT-23 (DBV) package with 5 pins.
- Does the LMV321IDBVT have rail-to-rail output swing?
Yes, it has rail-to-rail output swing, allowing the output voltage to swing from the negative supply voltage to the positive supply voltage.
- What are some common applications of the LMV321IDBVT?
Common applications include battery-powered electronic equipment, personal medical care devices, laptops, and industrial control systems.
- Is there an upgraded version of the LMV321IDBVT?
Yes, there are upgraded versions such as the LMV321A, LMV358A, and LMV324A, which offer enhanced performance.
- What is the slew rate of the LMV321IDBVT?
The slew rate is 1 V/µs.
