Overview
The LPV521MG/NOPB is a single, nanopower operational amplifier designed by Texas Instruments for ultra-long-life battery applications. This device operates within a voltage range of 1.6V to 5.5V and consumes a typical supply current of 351nA, making it an excellent choice for RFID readers and remote-sensor nanopower applications. The LPV521 is part of the PowerWise family, known for its exceptional power-to-performance ratio.
Key Specifications
| Parameter | Value | Unit |
|---|---|---|
| Operating Voltage Range | 1.6 to 5.5 | V |
| Supply Current at VCM = 0.3V | 400 | nA (max) |
| Input Offset Voltage (VOS) | 1 | mV (max) |
| Input Bias Current (IBIAS) | 40 | fA |
| Power Supply Rejection Ratio (PSRR) | 109 | dB |
| Common Mode Rejection Ratio (CMRR) | 102 | dB |
| Open-Loop Gain | 132 | dB |
| Gain Bandwidth Product | 6.2 | kHz |
| Slew Rate | 2.4 | V/ms |
| Input Voltage Noise at f = 100Hz | 255 | nV/√Hz |
| Temperature Range | -40 to 125 | °C |
| Package Type | SC70 (5-pin), PDIP (8-pin) |
Key Features
- Low power consumption: 552nW typical power dissipation.
- Wide operating voltage range: 1.6V to 5.5V.
- Low input bias current: 40fA, reducing errors in high-impedance applications.
- High accuracy: Specified 1mV VOS and 3.5µV/°C TCVOS.
- EMI protection: Designed to reduce sensitivity to unwanted RF signals.
- Wide input common-mode voltage range: 0.1V over the rails.
- Voltage-swing-to-the-rail output performance.
- Exceptional power-to-performance ratio as part of the PowerWise family.
Applications
- RFID readers.
- Remote-sensor nanopower 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 power consumption of the LPV521MG/NOPB?
The typical power consumption is 552nW.
- What is the operating voltage range of the LPV521MG/NOPB?
The operating voltage range is from 1.6V to 5.5V.
- What is the input bias current of the LPV521MG/NOPB?
The input bias current is typically 40fA.
- What are the key applications of the LPV521MG/NOPB?
Key applications include RFID readers, remote-sensor nanopower applications, wireless remote sensors, and more.
- What type of packages is the LPV521MG/NOPB available in?
The device is available in 5-pin SC70 and 8-pin PDIP packages.
- What is the temperature range of the LPV521MG/NOPB?
The temperature range is from -40°C to 125°C.
- Does the LPV521MG/NOPB have EMI protection?
- What is the gain bandwidth product of the LPV521MG/NOPB?
The gain bandwidth product is 6.2kHz.
- What is the slew rate of the LPV521MG/NOPB?
The slew rate is 2.4V/ms.
- What is the input voltage noise at 100Hz for the LPV521MG/NOPB?
The input voltage noise at 100Hz is 255nV/√Hz.
