Overview
The LMV797MM/NOPB is a dual, low-noise, CMOS input operational amplifier produced by Texas Instruments. This device is part of the LMV796/LMV797 family, known for its high performance and low power consumption. The LMV797MM/NOPB operates with a supply voltage range of 1.8V to 5.5V and is unity gain stable with a gain bandwidth of 17 MHz. It features a rail-to-rail output stage and is particularly suited for low voltage and low noise systems, making it ideal for applications such as audio and sensor-based systems.
Key Specifications
| Parameter | Value | Units |
|---|---|---|
| Input Referred Voltage Noise | 5.8 | nV/√Hz |
| Input Bias Current | 100 | fA |
| Unity Gain Bandwidth | 17 | MHz |
| Supply Current per Channel | 1.30 | mA |
| Rail-to-Rail Output Swing @ 10 kΩ Load | 25 | mV from Rail |
| Rail-to-Rail Output Swing @ 2 kΩ Load | 45 | mV from Rail |
| Supply Voltage Range | 1.8V to 5.5V | V |
| Operating Temperature Range | -40°C to 125°C | °C |
| Total Harmonic Distortion + Noise @ 1kHz, 600Ω | 0.01% | % |
| Package Type | VSSOP-8 |
Key Features
- Low Input Referred Voltage Noise: 5.8 nV/√Hz, ensuring high signal fidelity.
- Low Input Bias Current: 100 fA, suitable for low power sensor applications.
- High Gain Bandwidth: 17 MHz, providing wideband amplification.
- Rail-to-Rail Output Swing: Capable of driving a 600Ω load and sourcing up to 60 mA of current.
- Low Supply Current: 1.30 mA per channel, ideal for battery-powered devices.
- Wide Supply Voltage Range: Operates from 1.8V to 5.5V, making it versatile for various applications.
- Compact Package: VSSOP-8 package, saving space on printed circuit boards.
Applications
- Audio Systems: Due to its low noise and high fidelity, it is ideal for audio amplification and processing.
- Sensor Applications: Suitable for low power sensor applications where high accuracy and low noise are critical.
- Portable Electronics: Ideal for cellular phones, pagers, and other portable systems due to its low power consumption and small footprint.
- Industrial Automation: Can be used in various industrial automation applications requiring low noise and high precision.
Q & A
- What is the input referred voltage noise of the LMV797MM/NOPB?
5.8 nV/√Hz at 1 kHz.
- What is the typical input bias current of the LMV797MM/NOPB?
100 fA.
- What is the unity gain bandwidth of the LMV797MM/NOPB?
17 MHz.
- What is the supply current per channel for the LMV797MM/NOPB?
1.30 mA.
- What is the operating temperature range of the LMV797MM/NOPB?
-40°C to 125°C.
- What is the total harmonic distortion + noise of the LMV797MM/NOPB at 1 kHz and 600Ω load?
0.01%.
- What package type is the LMV797MM/NOPB available in?
VSSOP-8.
- Can the LMV797MM/NOPB operate from a single supply voltage?
- Is the LMV797MM/NOPB suitable for low power sensor applications?
- What are some common applications of the LMV797MM/NOPB?
Audio systems, sensor applications, portable electronics, and industrial automation.
