Overview
The LMV321-N-Q1, produced by Texas Instruments, is an automotive-grade, single operational amplifier designed for low-voltage applications. It is part of the LMV321, LMV358, and LMV324 family, which are low-voltage versions of the traditional LM358 and LM324 op amps. The LMV321-N-Q1 operates within a voltage range of 2.7 V to 5.5 V and is available in a compact SOT-23 (DBV) package with 5 pins. This device is optimized for space efficiency, low power consumption, and cost-effectiveness, making it ideal for various portable and general-purpose electronic devices.
Key Specifications
| Parameter | Value | Unit |
|---|---|---|
| Package | SOT-23 (DBV) | - |
| Pins | 5 | - |
| Operating Temperature Range | -40 to 125 | °C |
| Supply Voltage | 2.7 to 5.5 | V |
| Gain-Bandwidth Product | 1 MHz | - |
| Slew Rate | 1 V/µs | - |
| Supply Current (Single) | 130 µA | - |
| Output Swing at 10 kΩ | V+ - 10 mV, V- + 65 mV | - |
| Input Common-Mode Voltage Range | -0.2 V to V+ - 0.8 V | - |
Key Features
- No crossover distortion, ensuring clean output signals.
- Rail-to-rail output swing capability, maximizing dynamic range at low supply voltages.
- Input common-mode voltage range includes ground, allowing direct sensing near GND in single supply operation.
- Low supply current (130 µA for single channel), ideal for battery-powered systems.
- Compact SOT-23 (DBV) package, saving space on PC boards and enabling the design of small portable devices.
- Built with Texas Instruments' advanced submicron silicon-gate BiCMOS process, featuring bipolar input and output stages for improved noise performance and higher output current drive.
- AEC-Q100 grade 1 and grade 3 versions available, ensuring reliability in automotive applications.
Applications
- Active filters
- General-purpose low-voltage applications
- Portable electronic devices such as cellular phones, pagers, and other handheld systems.
- PCMCIA type III cards and other space-constrained designs.
- Battery-powered systems where low power consumption is critical.
Q & A
- What is the operating voltage range of the LMV321-N-Q1?
The LMV321-N-Q1 operates within a voltage range of 2.7 V to 5.5 V.
- What is the package type and pin count of the LMV321-N-Q1?
The LMV321-N-Q1 is available in a SOT-23 (DBV) package with 5 pins.
- What is the gain-bandwidth product of the LMV321-N-Q1?
The gain-bandwidth product is 1 MHz.
- Does the LMV321-N-Q1 have rail-to-rail output swing capability?
- What is the typical supply current for the LMV321-N-Q1?
The typical supply current for the single channel is 130 µA.
- Is the LMV321-N-Q1 suitable for automotive applications?
- What is the input common-mode voltage range of the LMV321-N-Q1?
The input common-mode voltage range includes -0.2 V to V+ - 0.8 V.
- How does the compact package of the LMV321-N-Q1 benefit design?
The compact package saves space on PC boards, enables the design of smaller electronic products, and allows placement closer to the signal source to reduce noise pickup and increase signal integrity.
- What process is used to build the LMV321-N-Q1?
The LMV321-N-Q1 is built with Texas Instruments' advanced submicron silicon-gate BiCMOS process.
- Are there any specific applications where the LMV321-N-Q1 is particularly useful?
