Overview
The LMV321IDBVRQ1 is a single, low-voltage operational amplifier produced by Texas Instruments. It is part of the LMV3xx series, which includes the LMV321, LMV358, and LMV324 devices. This amplifier is designed for low-voltage operation, ranging from 2.7 V to 5.5 V, making it suitable for applications where space and cost are critical factors. The LMV321IDBVRQ1 is known for its rail-to-rail output swing, low supply current, and absence of crossover distortion, ensuring high performance in various electronic systems.
Key Specifications
| Parameter | Min | Typical | Max | Unit |
|---|---|---|---|---|
| Supply Voltage (VCC) | 2.7 | - | 5.5 | V |
| Operating Temperature Range | -40 | - | 125 | °C |
| Supply Current (ICC) | 130 | - | 250 | μA |
| Unity-Gain Bandwidth | - | 1 | - | MHz |
| Phase Margin | - | 60 | - | deg |
| Gain Margin | - | 10 | - | dB |
| Equivalent Input Noise Voltage (Vn) | - | 39 | - | nV/√Hz |
| Equivalent Input Noise Current (In) | - | 0.21 | - | pA/√Hz |
| Slew Rate (SR) | - | 1 | - | V/μs |
| Output Swing (RL = 10 kΩ) | - | VCC - 0.1 | - | V |
| ESD Protection | - | 2000 V (HBM), 1000 V (CDM) | - | V |
Key Features
- 2.7-V and 5-V performance
- –40°C to +125°C operation
- No crossover distortion
- Low supply current: 130 μA (typical)
- Rail-to-rail output swing
- ESD protection exceeds JESD 22: 2000-V human-body model, 1000-V charged-device model
- Compact SOT-23 (DBV) package
Applications
- Desktop PCs
- HVAC systems (heating, ventilating, and air conditioning)
- Motor control: AC induction
- Net-books
- Portable media players
- Telecom DC/DC modules
- Professional audio mixers
- Refrigerators
- Washing machines (high-end and low-end)
Q & A
- What is the operating voltage range of the LMV321IDBVRQ1?
The LMV321IDBVRQ1 operates within a voltage range of 2.7 V to 5.5 V.
- What is the typical supply current of the LMV321IDBVRQ1?
The typical supply current is 130 μA.
- What is the operating temperature range of the LMV321IDBVRQ1?
The device operates from –40°C to +125°C.
- Does the LMV321IDBVRQ1 have rail-to-rail output swing?
- What kind of ESD protection does the LMV321IDBVRQ1 offer?
The device offers ESD protection exceeding JESD 22, with a 2000-V human-body model and a 1000-V charged-device model.
- In what package is the LMV321IDBVRQ1 available?
The LMV321IDBVRQ1 is available in a SOT-23 (DBV) package.
- What are some common applications for the LMV321IDBVRQ1?
- Does the LMV321IDBVRQ1 have crossover distortion?
- What is the unity-gain bandwidth of the LMV321IDBVRQ1?
- What is the phase margin of the LMV321IDBVRQ1?
- What is the gain margin of the LMV321IDBVRQ1?
