Overview
The OPA348AQDBVRQ1, manufactured by Texas Instruments, is a high-performance, low-power operational amplifier designed for automotive applications. This single-channel, general-purpose amplifier is part of the OPA348-Q1 series, which is qualified under the AEC-Q100 standard, ensuring reliability in harsh automotive environments. The device operates with a supply voltage ranging from 2.1V to 5.5V, making it suitable for low-power applications. Its rail-to-rail input and output capabilities, combined with a gain bandwidth product of 1MHz and a low quiescent current of 45µA, make it an ideal choice for sensor interfaces, battery-powered systems, and other precision analog circuits.
Key Specifications
| Parameter | Value | Unit | Notes |
|---|---|---|---|
| Supply Voltage | 2.1 to 5.5 | V | |
| Quiescent Current | 45 | µA | |
| Gain Bandwidth Product | 1 | MHz | |
| Slew Rate | 0.5 | V/µs | |
| Input Bias Current | 0.5 | pA | |
| Input Offset Voltage | 5 | mV | |
| Operating Temperature | -40 to +125 | °C | |
| Package | SOT-23-5 | ||
| Output Current | 10 | mA | |
| CMRR | 70 to 82 | dB |
Key Features
- Low quiescent current of 45µA for power-sensitive applications.
- Rail-to-rail input and output for maximum dynamic range.
- Wide supply voltage range from 2.1V to 5.5V.
- Qualified under AEC-Q100 for automotive reliability.
- Compact SOT-23-5 package for space-constrained designs.
Applications
The OPA348AQDBVRQ1 is widely used in automotive systems, including sensor signal conditioning, battery monitoring, and low-power analog circuits. Its low power consumption and rail-to-rail capabilities make it suitable for portable devices, medical instruments, and industrial control systems. Additionally, its AEC-Q100 qualification ensures robust performance in automotive environments, such as engine control units and advanced driver-assistance systems (ADAS).
Q & A
1. What is the operating voltage range of the OPA348AQDBVRQ1?
The operating voltage range is 2.1V to 5.5V.
2. Is the OPA348AQDBVRQ1 suitable for automotive applications?
Yes, it is AEC-Q100 qualified, making it ideal for automotive environments.
3. What is the typical quiescent current of this amplifier?
The typical quiescent current is 45µA.
4. Does the OPA348AQDBVRQ1 support rail-to-rail operation?
Yes, it supports rail-to-rail input and output.
5. What is the gain bandwidth product of this device?
The gain bandwidth product is 1MHz.
6. What package does the OPA348AQDBVRQ1 come in?
It is available in a SOT-23-5 package.
7. What is the input bias current of this amplifier?
The input bias current is 0.5pA.
8. Can the OPA348AQDBVRQ1 operate in extreme temperatures?
Yes, it operates in a temperature range of -40°C to +125°C.
9. What is the slew rate of the OPA348AQDBVRQ1?
The slew rate is 0.5V/µs.
10. Is the OPA348AQDBVRQ1 RoHS compliant?
Yes, it is RoHS compliant.
