Overview
The LPV321DBVRE4 is a low-power operational amplifier (op-amp) manufactured by Texas Instruments. Designed for applications requiring minimal power consumption, this op-amp is ideal for battery-powered devices and portable electronics. With its ultra-low quiescent current and rail-to-rail input/output capabilities, the LPV321DBVRE4 offers exceptional performance in energy-efficient designs. Its compact SOT-23-5 package makes it suitable for space-constrained applications, while its robust design ensures reliability in harsh environments. This product is particularly targeted at designers in the consumer electronics, industrial, and medical sectors who prioritize power efficiency and performance.
Key Specifications
| Parameter | Value | Unit | Notes |
|---|---|---|---|
| Supply Voltage | 1.8 to 5.5 | V | Wide operating range |
| Quiescent Current | 0.9 | µA | Ultra-low power consumption |
| Gain Bandwidth Product | 10 | kHz | Low-frequency applications |
| Input Offset Voltage | ±3 | mV | Typical value |
| Operating Temperature | -40 to 125 | °C | Industrial-grade |
| Package | SOT-23-5 | - | Compact form factor |
| Rail-to-Rail | Yes | - | Input and output |
| Common Mode Rejection Ratio (CMRR) | 70 | dB | Typical value |
| Power Supply Rejection Ratio (PSRR) | 80 | dB | Typical value |
Key Features
- Ultra-low quiescent current (0.9 µA) for extended battery life.
- Rail-to-rail input/output operation for maximum dynamic range.
- Wide supply voltage range (1.8 V to 5.5 V) for versatile applications.
- Compact SOT-23-5 package ideal for space-constrained designs.
- Industrial temperature range (-40°C to 125°C) for reliable performance in harsh environments.
- Low input offset voltage (±3 mV) for precision applications.
Applications
The LPV321DBVRE4 is widely used in applications where power efficiency and compact design are critical. Its ultra-low power consumption makes it ideal for battery-powered devices such as portable medical instruments, wearables, and IoT sensors. In industrial automation, it is employed in signal conditioning and sensor interfacing due to its robust performance in harsh environments. Additionally, its rail-to-rail operation and wide voltage range make it suitable for consumer electronics like smartphones, tablets, and audio devices. Its precision and reliability also make it a preferred choice for medical devices and automotive electronics.
Q & A
1. What is the typical quiescent current of the LPV321DBVRE4?
The typical quiescent current is 0.9 µA.
2. What is the operating voltage range of this op-amp?
It operates from 1.8 V to 5.5 V.
3. Is the LPV321DBVRE4 suitable for battery-powered devices?
Yes, its ultra-low quiescent current makes it ideal for battery-powered applications.
4. Does this op-amp support rail-to-rail operation?
Yes, it supports rail-to-rail input and output operation.
5. What is the package type of the LPV321DBVRE4?
It comes in a compact SOT-23-5 package.
6. Can the LPV321DBVRE4 operate in harsh environments?
Yes, it has an industrial temperature range of -40°C to 125°C.
7. What is the typical input offset voltage?
The typical input offset voltage is ±3 mV.
8. What are the typical applications of this op-amp?
It is used in portable medical devices, wearables, IoT sensors, industrial automation, and consumer electronics.
9. What is the gain bandwidth product of the LPV321DBVRE4?
The gain bandwidth product is 10 kHz.
10. Is this op-amp suitable for precision applications?
Yes, its low input offset voltage and high CMRR make it suitable for precision applications.
