Overview
The LMV641MG/NOPB is a low-power, wide-bandwidth operational amplifier produced by Texas Instruments. This device is characterized by its extended power supply voltage range of 2.7 V to 12 V, making it versatile for various applications. The LMV641 is unity-gain stable with a gain bandwidth product of 10 MHz and operates on a typical supply current of 138 µA. It features a rail-to-rail output stage and a common mode input voltage that includes the negative supply, enhancing its usability in different operational conditions. The device is available in space-saving packages such as the 5-Pin SC70, SOT-23, and 8-Pin SOIC, making it suitable for compact designs.
Key Specifications
| Parameter | Value | Unit |
|---|---|---|
| Supply Voltage Range | 2.7 V to 12 V | V |
| Unity Gain Bandwidth | 10 MHz | Hz |
| Supply Current | 138 µA | A |
| Input Offset Voltage (VOS) | 500 µV | V |
| Common Mode Rejection Ratio (CMRR) | 120 dB | dB |
| Power Supply Rejection Ratio (PSRR) | 105 dB | dB |
| Input Referred Voltage Noise | 14 nV/√Hz | V/√Hz |
| 1/f Corner Frequency | 4 Hz | Hz |
| Slew Rate | 2.6 V/µs | V/s |
| Total Harmonic Distortion (THD) | 0.002% at 1 kHz, 2 kΩ | % |
| Operating Temperature Range | -40°C to 125°C | °C |
| Package Options | SC70 (5-pin), SOT-23 (5-pin), SOIC (8-pin) | - |
Key Features
- Specified for 2.7-V and ±5-V performance
- Low power supply current: 138 µA
- High unity gain bandwidth: 10 MHz
- Max input offset voltage: 500 µV
- High CMRR: 120 dB and PSRR: 105 dB
- Low input referred voltage noise: 14 nV/√Hz
- Low 1/f corner frequency: 4 Hz
- Rail-to-rail output stage
- Common mode input voltage includes the negative supply
- Low total harmonic distortion: 0.002% at 1 kHz, 2 kΩ
- Wide operating temperature range: -40°C to 125°C
Applications
- Portable equipment
- Battery-powered systems
- Sensors and instrumentation
Q & A
- What is the supply voltage range of the LMV641MG/NOPB?
The supply voltage range is from 2.7 V to 12 V.
- What is the unity gain bandwidth of the LMV641MG/NOPB?
The unity gain bandwidth is 10 MHz.
- What is the typical supply current of the LMV641MG/NOPB?
The typical supply current is 138 µA.
- What is the maximum input offset voltage of the LMV641MG/NOPB?
The maximum input offset voltage is 500 µV.
- What are the CMRR and PSRR values of the LMV641MG/NOPB?
The CMRR is 120 dB, and the PSRR is 105 dB.
- What is the input referred voltage noise of the LMV641MG/NOPB?
The input referred voltage noise is 14 nV/√Hz.
- What is the slew rate of the LMV641MG/NOPB?
The slew rate is 2.6 V/µs.
- What is the total harmonic distortion (THD) of the LMV641MG/NOPB at 1 kHz with a 2 kΩ load?
The THD is 0.002% at 1 kHz with a 2 kΩ load.
- What are the available package options for the LMV641MG/NOPB?
The available packages are SC70 (5-pin), SOT-23 (5-pin), and SOIC (8-pin).
- What is the operating temperature range of the LMV641MG/NOPB?
The operating temperature range is -40°C to 125°C.
