Overview
The LMV651MGX/NOPB, produced by Texas Instruments, is a high-performance, low-power operational amplifier. This device is part of the LMV65x family, which is known for its exceptional bandwidth to power ratio. The LMV651 is unity-gain stable, consumes only 116 μA of current, and offers a wide unity-gain bandwidth of 12 MHz. It is designed for low-voltage, low-power applications and provides superior performance in terms of power and space usage. The device features a rail-to-rail output stage, an input common-mode voltage range that includes ground, and excellent noise performance, making it ideal for various applications including portable equipment, automotive systems, and sensor instrumentation.
Key Specifications
| Parameter | Typical Value | Unit |
|---|---|---|
| Supply Current per Amplifier | 116 | μA |
| Unity-Gain Bandwidth | 12 | MHz |
| Maximum Input Offset Voltage | ±1.5 | mV |
| Common-Mode Rejection Ratio (CMRR) | 100 | dB |
| Power Supply Rejection Ratio (PSRR) | 95 | dB |
| Input Referred Voltage Noise | 17 | nV/√Hz |
| Output Swing with 2-kΩ Load | 120 mV from rail | mV |
| Total Harmonic Distortion (THD) at 1 kHz, 2 kΩ | 0.003% | % |
| Operating Temperature Range | −40°C to 125°C | °C |
| Supply Voltage Range | 2.7 V to 5.5 V | V |
Key Features
- Low Power Consumption: The LMV651 consumes only 116 μA of current, making it highly efficient for battery-powered systems.
- High Unity-Gain Bandwidth: Offers a bandwidth of 12 MHz, which is exceptional for its power consumption.
- Low Input Offset Voltage: Maximum input offset voltage of ±1.5 mV.
- High CMRR and PSRR: Common-mode rejection ratio of 100 dB and power supply rejection ratio of 95 dB.
- Rail-to-Rail Output Stage: Provides maximum possible output dynamic range.
- Low Noise Performance: Input referred voltage noise density of 17 nV/√Hz.
- Wide Operating Temperature Range: Operates from −40°C to 125°C.
Applications
- Portable Equipment: Ideal for battery-powered devices such as portable media players and PDAs.
- Automotive Systems: Suitable for automotive applications due to its wide operating temperature range.
- Sensors and Instrumentation: Used in sensor applications requiring low noise and high accuracy.
- Battery-Powered Systems: Excellent choice for any system requiring low power consumption and high performance.
Q & A
- What is the typical supply current of the LMV651?
The typical supply current of the LMV651 is 116 μA. - What is the unity-gain bandwidth of the LMV651?
The unity-gain bandwidth of the LMV651 is 12 MHz. - What is the maximum input offset voltage of the LMV651?
The maximum input offset voltage of the LMV651 is ±1.5 mV. - What is the common-mode rejection ratio (CMRR) of the LMV651?
The CMRR of the LMV651 is 100 dB. - What is the power supply rejection ratio (PSRR) of the LMV651?
The PSRR of the LMV651 is 95 dB. - What is the input referred voltage noise density of the LMV651?
The input referred voltage noise density of the LMV651 is 17 nV/√Hz. - What is the operating temperature range of the LMV651?
The operating temperature range of the LMV651 is −40°C to 125°C. - What is the supply voltage range of the LMV651?
The supply voltage range of the LMV651 is 2.7 V to 5.5 V. - In what packages is the LMV651 available?
The LMV651 is available in ultra-tiny 5-pin SC70 and 5-pin SOT-23 packages. - What are some typical applications of the LMV651?
The LMV651 is typically used in portable equipment, automotive systems, sensors, and battery-powered systems.
