Overview
The LPV811DBVR, produced by Texas Instruments, is a precision nanopower operational amplifier designed for ultra-low power consumption and high precision in various sensing applications. This single-channel operational amplifier is part of the LPV81x family, which is optimized for 'Always ON' sensing in battery-powered wireless and low-power wired equipment. With a quiescent current of 425 nA and a trimmed offset voltage of less than 300 µV, the LPV811DBVR is ideal for applications where operational battery life is critical.
Key Specifications
| Parameter | Value | Unit |
|---|---|---|
| Supply Current (Typical) | 450 | nA |
| Offset Voltage (Max) | 370 | µV |
| Input Offset Drift | 1 | µV/°C |
| Gain-Bandwidth Product | 8 | kHz |
| Input Bias Current | 100 | fA |
| Supply Voltage Range | 1.6 to 5.5 | V |
| Common-Mode Voltage Range | 0 to V+ - 0.9 | V |
| Common-Mode Rejection Ratio (CMRR) | 77 to 95 | dB |
| Power Supply Rejection Ratio (PSRR) | 60 | µV/V |
| Output Stage | Rail-to-Rail | |
| Temperature Range | -40 to 125 | °C |
| Package | 5-pin SOT-23 |
Key Features
- Nanopower supply current: 425 nA/channel, making it suitable for battery-powered devices.
- Low input bias current: 100 fA, ideal for high impedance source applications.
- Trimmed offset voltage: Less than 300 µV, ensuring high precision.
- Wide supply range: Operates from 1.6 V to 5.5 V.
- Rail-to-rail output: Swings within millivolts of the supply rails.
- EMI protection: Reduces system sensitivity to unwanted RF signals.
- Unity-gain stable and no output reversals.
- Industry-standard packages: Available in 5-pin SOT-23.
Applications
- CO and O2 gas detectors.
- PIR motion detectors.
- Current sensing.
- Thermostats.
- IoT remote sensors.
- Active RFID readers and tags.
- Portable medical equipment.
Q & A
- What is the typical supply current of the LPV811DBVR?
The typical supply current is 450 nA. - What is the maximum offset voltage of the LPV811DBVR?
The maximum offset voltage is 370 µV. - What is the gain-bandwidth product of the LPV811DBVR?
The gain-bandwidth product is 8 kHz. - What is the input bias current of the LPV811DBVR?
The input bias current is 100 fA. - What is the supply voltage range of the LPV811DBVR?
The supply voltage range is from 1.6 V to 5.5 V. - Does the LPV811DBVR have EMI protection?
Yes, it has internal EMI protection. - What is the temperature range of the LPV811DBVR?
The temperature range is from -40°C to 125°C. - In what package is the LPV811DBVR available?
It is available in a 5-pin SOT-23 package. - What are some common applications of the LPV811DBVR?
Common applications include CO and O2 gas detectors, PIR motion detectors, current sensing, thermostats, IoT remote sensors, active RFID readers and tags, and portable medical equipment. - Is the LPV811DBVR unity-gain stable?
Yes, it is unity-gain stable.
