Overview
The OPA330AIDBVRG4, manufactured by Texas Instruments, is a precision CMOS operational amplifier designed for low-power and high-accuracy applications. This single-channel, zero-drift amplifier operates at a supply voltage as low as 1.8V, making it ideal for battery-powered devices. With a maximum offset voltage of 50µV and near-zero drift over time and temperature, the OPA330AIDBVRG4 ensures exceptional precision. Its rail-to-rail input and output capabilities, combined with low 1/f noise, make it a versatile choice for a wide range of applications. This amplifier is available in a compact SOT-23-5 package, targeting industries such as industrial automation, medical devices, and consumer electronics.
Key Specifications
| Parameter | Value | Unit | Notes |
|---|---|---|---|
| Supply Voltage | 1.8 to 5.5 | V | |
| Quiescent Current | 35 | µA | Max |
| Offset Voltage | 50 | µV | Max |
| Input Bias Current | 0.2 | pA | Typ |
| Gain Bandwidth Product | 350 | kHz | |
| Operating Temperature | -40 to 125 | °C | |
| Package | SOT-23-5 |
Key Features
- Zero-drift architecture for minimal offset voltage and drift over time and temperature.
- Ultra-low quiescent current of 35µA, ideal for battery-powered applications.
- Rail-to-rail input and output for maximum dynamic range.
- Low 1/f noise for precision signal conditioning.
- Wide supply voltage range from 1.8V to 5.5V.
Applications
The OPA330AIDBVRG4 is widely used in precision measurement and control systems, including industrial automation, medical instrumentation, and portable consumer electronics. Its low power consumption and high accuracy make it suitable for sensor signal conditioning, data acquisition systems, and battery management. Additionally, its robust performance in harsh environments ensures reliability in automotive and aerospace applications.
Q & A
1. What is the operating voltage range of the OPA330AIDBVRG4?
The OPA330AIDBVRG4 operates within a voltage range of 1.8V to 5.5V.
2. What is the maximum offset voltage of this amplifier?
The maximum offset voltage is 50µV.
3. How does the zero-drift architecture benefit the amplifier?
The zero-drift architecture minimizes offset voltage and drift over time and temperature, ensuring high precision.
4. What is the typical input bias current?
The typical input bias current is 0.2pA.
5. What package is the OPA330AIDBVRG4 available in?
It is available in a SOT-23-5 package.
6. What is the gain bandwidth product of this amplifier?
The gain bandwidth product is 350kHz.
7. Is the OPA330AIDBVRG4 suitable for battery-powered devices?
Yes, its low quiescent current of 35µA makes it ideal for battery-powered applications.
8. What are the key applications of this amplifier?
Key applications include sensor signal conditioning, data acquisition systems, and industrial automation.
9. Does the amplifier support rail-to-rail input and output?
Yes, it supports rail-to-rail input and output for maximum dynamic range.
10. What is the operating temperature range?
The operating temperature range is -40°C to 125°C.
