Overview
The LMV841MG/NOPB is a low-voltage, low-power operational amplifier produced by Texas Instruments. It is part of the LMV84x series, known for its CMOS input, rail-to-rail input and output (RRIO), and wide supply voltage range. This device is particularly suited for high-impedance sensor interfaces, battery-powered instrumentation, and other applications where low power consumption and high precision are critical.
Key Specifications
| Parameter | Min | Typical | Max | Unit |
|---|---|---|---|---|
| Supply Voltage Range | 2.7 | - | 12 | V |
| Supply Current Per Channel | 1.03 | 1.7 | 2 | mA |
| Input Offset Voltage | -500 | ±50 | 500 | µV |
| Input Bias Current | 0.3 | - | 10 | pA |
| Common-Mode Rejection Ratio (CMRR) | 84 | 112 | - | dB |
| Power Supply Rejection Ratio (PSRR) | 86 | 108 | - | dB |
| Unity Gain Bandwidth | - | 4.5 | - | MHz |
| Slew Rate | - | 2.5 | - | V/µs |
| Operating Temperature Range | -40 | - | 125 | °C |
| Package Type | - | SC70 (5-pin) | - | - |
Key Features
- CMOS input and rail-to-rail input and output (RRIO) capability
- Wide supply voltage range: 2.7 V to 12 V
- Low supply current: 1 mA per channel
- High common-mode rejection ratio (CMRR) and power supply rejection ratio (PSRR)
- Low input offset voltage and input bias current
- Unity gain bandwidth of 4.5 MHz and slew rate of 2.5 V/µs
- Small 5-pin SC70 package ideal for area-constrained PCBs and portable electronics
Applications
- High impedance sensor interfaces
- Battery-powered instrumentation
- High gain and instrumentation amplifiers
- DAC buffers and active filters
Q & A
- What is the supply voltage range of the LMV841MG/NOPB? The supply voltage range is from 2.7 V to 12 V.
- What is the typical supply current per channel? The typical supply current per channel is 1.7 mA.
- What is the input offset voltage of the LMV841MG/NOPB? The input offset voltage is typically ±50 µV.
- What is the common-mode rejection ratio (CMRR) of the LMV841MG/NOPB? The CMRR is typically 112 dB.
- What is the unity gain bandwidth of the LMV841MG/NOPB? The unity gain bandwidth is 4.5 MHz.
- What is the slew rate of the LMV841MG/NOPB? The slew rate is typically 2.5 V/µs.
- What is the operating temperature range of the LMV841MG/NOPB? The operating temperature range is from -40°C to 125°C.
- In what package is the LMV841MG/NOPB available? It is available in a 5-pin SC70 package.
- What are some typical applications of the LMV841MG/NOPB? Typical applications include high impedance sensor interfaces, battery-powered instrumentation, high gain and instrumentation amplifiers, and DAC buffers and active filters.
- Is the LMV841MG/NOPB suitable for portable electronics? Yes, it is suitable due to its low power consumption and small package size.
