Overview
The LMV321QDBVRQ1 from Texas Instruments is a single-channel, low-power operational amplifier designed for automotive and general-purpose applications. This device is part of the LMV321 family, known for its high performance and reliability. It operates over a wide temperature range from -40°C to +125°C, making it suitable for various environments. The LMV321QDBVRQ1 features a rail-to-rail output swing, low supply current, and high gain bandwidth product, ensuring robust and efficient operation in a variety of circuits.
Key Specifications
| Parameter | Value | Unit |
|---|---|---|
| Supply Voltage (VCC) | 2.7 to 5.5 | V |
| Operating Temperature Range | -40 to +125 | °C |
| Supply Current (per amplifier) | 130 to 250 | μA |
| Gain Bandwidth Product (GBP) | 1 MHz | |
| Slew Rate | 0.35 to 0.45 | V/μs |
| Phase Margin | 44 to 60 | degrees |
| Input Offset Voltage | ±4 mV (typical) | mV |
| Input Voltage Noise | 40 nV/√Hz | nV/√Hz |
| ESD Protection | 2000-V human-body model, 1000-V charged-device model |
Key Features
- Rail-to-rail input and output swing, ensuring maximum signal range.
- Low supply current, typically 130 μA, making it power-efficient.
- High gain bandwidth product of 1 MHz, suitable for high-frequency applications.
- No crossover distortion, providing clean output signals.
- Extended common-mode input voltage range (VDD - 0.2 V to VCC + 0.2 V).
- High ESD tolerance, exceeding JESD 22 standards.
Applications
- Automotive systems: Suitable for various automotive applications due to its wide temperature range and robust performance.
- Desktop PCs and laptops: Ideal for audio and signal processing in computer systems.
- HVAC systems: Used in heating, ventilating, and air conditioning systems for control and monitoring.
- Motor control: Applied in AC induction motor control and other motor control systems.
- Portable media players and professional audio mixers: Enhances audio quality and signal integrity.
- Power supplies: Used in telecom DC/DC modules and other power supply applications.
- Home appliances: Found in high-end and low-end washing machines and refrigerators.
Q & A
- What is the operating temperature range of the LMV321QDBVRQ1?
The operating temperature range is from -40°C to +125°C.
- What is the typical supply current of the LMV321QDBVRQ1?
The typical supply current is 130 μA.
- Does the LMV321QDBVRQ1 have rail-to-rail input and output swing?
- What is the gain bandwidth product (GBP) of the LMV321QDBVRQ1?
The GBP is 1 MHz.
- What kind of ESD protection does the LMV321QDBVRQ1 have?
- In what types of applications is the LMV321QDBVRQ1 commonly used?
- What is the input offset voltage of the LMV321QDBVRQ1?
- Does the LMV321QDBVRQ1 have any crossover distortion?
- What is the slew rate of the LMV321QDBVRQ1?
- What is the phase margin of the LMV321QDBVRQ1?
