Overview
The LMV551MGX/NOPB is a high-performance, low-power operational amplifier produced by Texas Instruments. It is part of the LMV55x series, which is implemented using TI’s advanced VIP50 process. This amplifier is designed for general-purpose applications and is known for its low quiescent current, high gain-bandwidth product, and rail-to-rail output swing. The LMV551MGX/NOPB is available in a compact SC-70-5 package, making it suitable for space-constrained designs.
Key Specifications
| Parameter | Min | Typ | Max | Unit |
|---|---|---|---|---|
| Supply Voltage (V+ - V-) | 2.7 | - | 5.5 | V |
| Operating Temperature | -40 | - | 125 | °C |
| Input Offset Voltage (VOS) | 1 | 3 | 4.5 | mV |
| Input Bias Current (IB) | 20 | 38 | - | nA |
| Common Mode Rejection Ratio (CMRR) | 72 | 92 | - | dB |
| Power Supply Rejection Ratio (PSRR) | 78 | 92 | - | dB |
| Gain Bandwidth Product (GBW) | - | 3 | - | MHz |
| Slew Rate | - | 1 | - | V/μs |
| Output Short Circuit Current | - | - | 10 (sourcing), 25 (sinking) | mA |
| Supply Current per Amplifier | 34 | 42 | 52 | μA |
Key Features
- Low quiescent current: 34 μA to 52 μA per amplifier.
- High gain-bandwidth product: 3 MHz.
- Rail-to-rail output swing.
- Low input offset voltage: 1 mV to 4.5 mV.
- High common mode rejection ratio: 72 dB to 92 dB.
- High power supply rejection ratio: 78 dB to 92 dB.
- Compact SC-70-5 package.
- Operating temperature range: -40°C to 125°C.
Applications
The LMV551MGX/NOPB is suitable for a variety of applications, including:
- Portable electronics due to its low power consumption.
- Industrial control systems requiring high accuracy and stability.
- Automotive systems where temperature range and reliability are critical.
- Medical devices that need low noise and high precision.
- Consumer electronics such as audio equipment and sensors.
Q & A
- What is the supply voltage range for the LMV551MGX/NOPB? The supply voltage range is from 2.7 V to 5.5 V.
- What is the operating temperature range for this amplifier? The operating temperature range is from -40°C to 125°C.
- What is the typical input offset voltage for the LMV551MGX/NOPB? The typical input offset voltage is 3 mV.
- What is the gain-bandwidth product of this amplifier? The gain-bandwidth product is 3 MHz.
- Is the LMV551MGX/NOPB short-circuit protected? No, the LMV551MGX/NOPB is not short-circuit protected and is not recommended for operation with heavy resistive loads.
- What is the slew rate of the LMV551MGX/NOPB? The slew rate is 1 V/μs.
- What is the typical supply current per amplifier? The typical supply current per amplifier is 42 μA.
- In what package is the LMV551MGX/NOPB available? The LMV551MGX/NOPB is available in a SC-70-5 package.
- What are some common applications for the LMV551MGX/NOPB? Common applications include portable electronics, industrial control systems, automotive systems, medical devices, and consumer electronics.
- What is the common mode rejection ratio (CMRR) of the LMV551MGX/NOPB? The CMRR is 72 dB to 92 dB.
- What is the power supply rejection ratio (PSRR) of the LMV551MGX/NOPB? The PSRR is 78 dB to 92 dB.
