Overview
The OPA330AIDBVR is a precision operational amplifier manufactured by Texas Instruments, designed for low-power and high-accuracy applications. It is part of the OPA330 series, which utilizes Zero-Drift technology to ensure minimal offset voltage and near-zero drift over time and temperature. This single-channel CMOS op-amp operates at a supply voltage as low as 1.8V and consumes only 35µA of quiescent current, making it ideal for battery-powered devices. Its rail-to-rail input and output capabilities, combined with low noise and high precision, make it a versatile choice for a wide range of applications, including industrial, medical, and consumer electronics.
Key Specifications
| Parameter | Value | Unit | Notes |
|---|---|---|---|
| Supply Voltage | 1.8 to 5.5 | V | ±0.9V to ±2.75V |
| Quiescent Current | 35 | µA | Max |
| Offset Voltage | 50 | µV | Max |
| Input Noise Density | 1.1 | µV/√Hz | Typical at 1kHz |
| Gain Bandwidth Product | 350 | kHz | Typical |
| Operating Temperature | -40 to 125 | °C | |
| Package | SOT-23-5 | 5-pin |
Key Features
- Zero-Drift technology for minimal offset voltage and drift.
- Low quiescent current of 35µA, ideal for battery-powered applications.
- Rail-to-rail input and output for maximum dynamic range.
- Optimized for low-voltage operation down to 1.8V.
- Low noise and high precision for accurate signal processing.
Applications
The OPA330AIDBVR is widely used in precision measurement, sensor signal conditioning, and portable instrumentation. Its low power consumption and high accuracy make it suitable for medical devices, such as glucose meters and portable monitors. In industrial applications, it is used in process control and automation systems. Additionally, it is ideal for consumer electronics, including smartphones and wearables, where power efficiency and precision are critical.
Q & A
1. What is the operating voltage range of the OPA330AIDBVR?
The OPA330AIDBVR operates within a voltage range of 1.8V to 5.5V (±0.9V to ±2.75V).
2. What is the quiescent current consumption?
The quiescent current is 35µA (maximum).
3. Does this op-amp support rail-to-rail operation?
Yes, it features rail-to-rail input and output capabilities.
4. What is the maximum offset voltage?
The maximum offset voltage is 50µV.
5. What is the gain bandwidth product?
The gain bandwidth product is typically 350kHz.
6. What is the operating temperature range?
It operates from -40°C to 125°C.
7. What package does the OPA330AIDBVR come in?
It is available in a 5-pin SOT-23 package.
8. Is this op-amp suitable for low-power applications?
Yes, its low quiescent current makes it ideal for battery-powered devices.
9. What is the input noise density at 1kHz?
The input noise density is typically 1.1µV/√Hz at 1kHz.
10. What are the typical applications of this op-amp?
Typical applications include precision measurement, sensor signal conditioning, medical devices, and portable electronics.
