Overview
The LMV344MTX/NOPB is a quad, low-voltage, low-power operational amplifier produced by Texas Instruments. It is part of the LMV34x-N family, which includes single, dual, and quad configurations. These amplifiers are designed specifically for low-voltage portable applications, offering enhancements in size, speed, and power savings. The LMV344MTX/NOPB is housed in a compact 14-pin TSSOP (PW) package, making it ideal for applications with area-constrained PCB requirements.
Key Specifications
| Parameter | Value |
|---|---|
| Package | TSSOP (PW) - 14 pins |
| Operating Temperature Range | -40°C to 125°C |
| Supply Voltage Range | 2.7 V to 5.5 V |
| Supply Current (Per Amplifier) | 100 µA |
| Gain Bandwidth Product (GBW) | 1 MHz |
| Slew Rate | 1 V/µs |
| Input Referred Voltage Noise at 10 kHz | 29 nV/√Hz |
| Input Bias Current | 20 fA (typical) |
| Shutdown Current (LMV341-N) | 45 pA (typical) |
| Turnon Time From Shutdown (LMV341-N) | 5 µs |
Key Features
- Low input bias current of 20 fA (typical) and high input impedance due to the PMOS input stage.
- Rail-to-rail output and wide temperature range of -40°C to 125°C.
- Patented class AB turnaround stage reducing noise at higher frequencies, power consumption, and offset voltage.
- Shutdown pin available on some models (e.g., LMV341-N) to reduce supply current to 45 pA in shutdown mode.
- Compact packaging options, including TSSOP and SOIC, ideal for area-constrained PCB designs.
- Low voltage noise of 29 nV/√Hz at 10 kHz and a slew rate of 1 V/µs.
Applications
The LMV344MTX/NOPB is suitable for a variety of applications requiring low power consumption and compact design. These include:
- Portable electronics such as cellular handsets and PDAs.
- Industrial control systems.
- Medical devices.
- Automotive electronics.
Q & A
- What is the package type of the LMV344MTX/NOPB?
The LMV344MTX/NOPB is housed in a 14-pin TSSOP (PW) package.
- What is the operating temperature range of the LMV344MTX/NOPB?
The operating temperature range is -40°C to 125°C.
- What is the supply voltage range for the LMV344MTX/NOPB?
The supply voltage range is 2.7 V to 5.5 V.
- What is the typical supply current per amplifier for the LMV344MTX/NOPB?
The typical supply current per amplifier is 100 µA.
- What is the gain bandwidth product (GBW) of the LMV344MTX/NOPB?
The gain bandwidth product (GBW) is 1 MHz.
- What is the slew rate of the LMV344MTX/NOPB?
The slew rate is 1 V/µs.
- What is the input referred voltage noise at 10 kHz for the LMV344MTX/NOPB?
The input referred voltage noise at 10 kHz is 29 nV/√Hz.
- What is the typical input bias current of the LMV344MTX/NOPB?
The typical input bias current is 20 fA.
- Does the LMV344MTX/NOPB have a shutdown feature?
No, the LMV344MTX/NOPB does not have a shutdown feature, but other models in the LMV34x-N family, like the LMV341-N, do.
- What are some common applications for the LMV344MTX/NOPB?
Common applications include portable electronics, industrial control systems, medical devices, and automotive electronics.
