Overview
The LPV521MGX/NOPB is a single, nanopower operational amplifier designed by Texas Instruments. It is part of the PowerWise family and is optimized for ultra-long-life battery applications. The device operates within a voltage range of 1.6V to 5.5V and features a low supply current of typically 351nA, making it an excellent choice for RFID readers, remote sensor applications, and other low-power systems. The LPV521MGX/NOPB is available in a 5-pin SC70 package and offers exceptional power-to-performance ratio, along with EMI protection to reduce sensitivity to unwanted RF signals.
Key Specifications
| Parameter | Typical | Maximum | Unit |
|---|---|---|---|
| Supply Current at VCM = 0.3V | 351nA | 400nA | nA |
| Operating Voltage Range | 1.6V to 5.5V | V | |
| Input Offset Voltage (VOS) | 0.1mV | 1mV | mV |
| Temperature Coefficient of VOS (TCVOS) | 3.5µV/°C | µV/°C | |
| Input Bias Current (IBIAS) | 40fA | fA | |
| Power Supply Rejection Ratio (PSRR) | 109dB | dB | |
| Common Mode Rejection Ratio (CMRR) | 102dB | dB | |
| Open-Loop Gain | 132dB | dB | |
| Gain Bandwidth Product | 6.2kHz | kHz | |
| Slew Rate | 2.4V/ms | V/ms | |
| Input Voltage Noise at f = 100Hz | 255nV/√Hz | nV/√Hz | |
| Operating Temperature Range | -40°C to 125°C | °C |
Key Features
- Low power consumption: Typically 351nA supply current.
- Wide operating voltage range: 1.6V to 5.5V.
- Low input bias current: 40fA.
- High common-mode rejection ratio (CMRR): Up to 102dB.
- High power supply rejection ratio (PSRR): Up to 109dB.
- Low temperature coefficient of VOS (TCVOS): 3.5µV/°C.
- EMI protection to reduce sensitivity to unwanted RF signals.
- Input common-mode voltage range extends 0.1V over the rails.
- Exceptional power-to-performance ratio.
Applications
- RFID readers.
- Remote sensor applications.
- Wireless remote sensors.
- Powerline monitoring.
- Power meters.
- Battery-powered industrial sensors.
- Micropower oxygen and gas sensors.
- Active RFID readers.
- Zigbee-based sensors for HVAC control.
- Sensor networks powered by energy scavenging.
Q & A
- What is the typical supply current of the LPV521MGX/NOPB?
The typical supply current is 351nA. - What is the operating voltage range of the LPV521MGX/NOPB?
The operating voltage range is 1.6V to 5.5V. - What is the input bias current of the LPV521MGX/NOPB?
The input bias current is typically 40fA. - What is the common-mode rejection ratio (CMRR) of the LPV521MGX/NOPB?
The CMRR is up to 102dB. - What is the power supply rejection ratio (PSRR) of the LPV521MGX/NOPB?
The PSRR is up to 109dB. - Does the LPV521MGX/NOPB have EMI protection?
Yes, it has EMI protection to reduce sensitivity to unwanted RF signals. - What is the temperature coefficient of VOS (TCVOS) for the LPV521MGX/NOPB?
The TCVOS is 3.5µV/°C. - What are some common applications of the LPV521MGX/NOPB?
Common applications include RFID readers, remote sensor applications, wireless remote sensors, and more. - In what package is the LPV521MGX/NOPB available?
The LPV521MGX/NOPB is available in a 5-pin SC70 package. - What is the operating temperature range of the LPV521MGX/NOPB?
The operating temperature range is -40°C to 125°C.
