Overview
The OPA388QDBVRQ1 is a high-precision operational amplifier (op-amp) manufactured by Texas Instruments. Designed for automotive and industrial applications, this op-amp is part of the OPAx388-Q1 family, which is qualified for automotive environments. It features ultra-low offset voltage, low noise, and high bandwidth, making it ideal for precision signal conditioning and sensor amplification. The OPA388QDBVRQ1 is packaged in a compact SOT-23-5 form factor, ensuring space efficiency in designs.
Key Specifications
| Parameter | Value | Unit | Notes |
|---|---|---|---|
| Supply Voltage | 2.2 to 5.5 | V | Single supply |
| Input Offset Voltage | 5 | µV | Max |
| Input Bias Current | 10 | pA | Typical |
| Gain Bandwidth Product | 10 | MHz | |
| Slew Rate | 20 | V/µs | |
| Operating Temperature | -40 to 125 | °C | Automotive range |
| Package | SOT-23-5 | ||
| Qualification | AEC-Q100 | Automotive grade |
Key Features
- Ultra-low offset voltage for high precision applications.
- Low noise performance ensures clean signal amplification.
- High bandwidth and slew rate for fast signal processing.
- Wide supply voltage range (2.2V to 5.5V) for versatile power options.
- Automotive qualification (AEC-Q100) ensures reliability in harsh environments.
Applications
The OPA388QDBVRQ1 is widely used in automotive and industrial systems, including:
- Sensor signal conditioning for temperature, pressure, and position sensors.
- Precision amplification in data acquisition systems.
- Active filtering in signal processing circuits.
- Battery monitoring in electric vehicles and portable devices.
- Automotive control systems such as engine management and infotainment.
Q & A
1. What is the input offset voltage of the OPA388QDBVRQ1?
The maximum input offset voltage is 5 µV.
2. Is the OPA388QDBVRQ1 suitable for automotive applications?
Yes, it is AEC-Q100 qualified, making it suitable for automotive environments.
3. What is the operating temperature range?
The operating temperature range is -40°C to 125°C.
4. What is the gain bandwidth product of this op-amp?
The gain bandwidth product is 10 MHz.
5. Can the OPA388QDBVRQ1 operate on a single supply?
Yes, it supports a single supply voltage range of 2.2V to 5.5V.
6. What is the package type of the OPA388QDBVRQ1?
It is available in a SOT-23-5 package.
7. What is the typical input bias current?
The typical input bias current is 10 pA.
8. What is the slew rate of this op-amp?
The slew rate is 20 V/µs.
9. What are the key features of the OPA388QDBVRQ1?
Key features include ultra-low offset voltage, low noise, high bandwidth, and automotive qualification.
10. What are typical applications for this op-amp?
Typical applications include sensor signal conditioning, precision amplification, active filtering, and automotive control systems.
