Overview
The LMV844MT/NOPB is a quad low-voltage and low-power operational amplifier produced by Texas Instruments. It operates with supply voltages ranging from 2.7 V to 12 V and features rail-to-rail input and output capability. This device is designed for applications requiring low offset voltage, low supply current, and high impedance sensor interfaces, making it ideal for battery-powered instrumentation and portable electronics.
Key Specifications
| Parameter | Value |
|---|---|
| Package | 14-Pin TSSOP |
| Operating Temperature Range | -40°C to 125°C |
| Supply Voltage Range | 2.7 V to 12 V |
| Unity Gain Bandwidth | 4.5 MHz |
| Open-Loop Gain | 133 dB |
| Input Offset Voltage | 500 µV Maximum |
| Input Bias Current | 0.3 pA |
| CMRR | 112 dB |
| PSSR | 108 dB |
| Input Voltage Noise | 20 nV/√Hz |
| Supply Current per Channel | 1 mA |
Key Features
- Small 14-pin TSSOP package ideal for area-constrained PCBs and portable electronics.
- Wide supply voltage range: 2.7 V to 12 V.
- Specified performance at 3.3 V, 5 V, and ±5 V.
- Low supply current: 1 mA per channel.
- Unity gain bandwidth: 4.5 MHz.
- Open-loop gain: 133 dB.
- Input offset voltage: 500 µV maximum.
- Input bias current: 0.3 pA.
- CMRR at 112 dB and PSSR at 108 dB.
- Input voltage noise: 20 nV/√Hz.
- Rail-to-rail input and output (RRIO).
Applications
- High impedance sensor interfaces.
- Battery-powered instrumentation.
- High gain and instrumentation amplifiers.
- DAC buffers and active filters.
Q & A
- What is the operating temperature range of the LMV844MT/NOPB?
The operating temperature range is -40°C to 125°C. - What is the supply voltage range for the LMV844MT/NOPB?
The supply voltage range is from 2.7 V to 12 V. - What is the unity gain bandwidth of the LMV844MT/NOPB?
The unity gain bandwidth is 4.5 MHz. - What is the input offset voltage of the LMV844MT/NOPB?
The input offset voltage is 500 µV maximum. - What is the input bias current of the LMV844MT/NOPB?
The input bias current is 0.3 pA. - Does the LMV844MT/NOPB have rail-to-rail input and output capability?
Yes, it has rail-to-rail input and output capability. - What are the typical applications of the LMV844MT/NOPB?
Typical applications include high impedance sensor interfaces, battery-powered instrumentation, high gain and instrumentation amplifiers, and DAC buffers and active filters. - What is the package type of the LMV844MT/NOPB?
The package type is 14-pin TSSOP. - What is the CMRR of the LMV844MT/NOPB?
The CMRR is 112 dB. - What is the PSSR of the LMV844MT/NOPB?
The PSSR is 108 dB.
