Overview
The OPA378AIDBVT is a precision operational amplifier manufactured by Texas Instruments. It belongs to the zero-drift, microPOWER series, designed to deliver minimal input offset voltage and offset voltage drift. This product is ideal for applications requiring high precision and low power consumption, making it suitable for industries such as industrial automation, medical devices, and consumer electronics. Its unique selling points include low noise, high gain bandwidth, and rail-to-rail input/output capabilities.
Key Specifications
| Parameter | Value | Unit | Notes |
|---|---|---|---|
| Number of Channels | 1 | - | - |
| Total Supply Voltage (Max) | 5.5 | V | - |
| Total Supply Voltage (Min) | 2.2 | V | - |
| Offset Voltage (Max) | 0.05 | mV | @25°C |
| Gain Bandwidth (Typ) | 0.9 | MHz | - |
| Slew Rate (Typ) | 0.4 | V/µs | - |
| Offset Drift (Typ) | 0.1 | µV/°C | - |
| Quiescent Current (Typ) | 0.125 | mA | - |
| Input Noise (Typ) | 20 | nV/√Hz | @1kHz |
| CMRR (Typ) | 112 | dB | - |
| Operating Temperature Range | -40 to 125 | °C | - |
Key Features
- Zero-drift architecture for minimal offset voltage and drift.
- Low noise: 20nV/√Hz at 1kHz.
- Rail-to-rail input and output.
- Low quiescent current: 125µA (Typ).
- High gain bandwidth: 900kHz.
- EMI-hardened design for robust performance in noisy environments.
- Compact packaging: SC70 and SOT23.
Applications
The OPA378AIDBVT is widely used in precision applications such as sensor signal conditioning, medical instrumentation, and portable devices. Its low power consumption and high accuracy make it ideal for battery-powered systems. Additionally, its EMI-hardened design ensures reliable performance in industrial environments with high electromagnetic interference.
Q & A
1. What is the operating voltage range of the OPA378AIDBVT?
The operating voltage range is from 2.2V to 5.5V.
2. What is the typical gain bandwidth of this amplifier?
The typical gain bandwidth is 900kHz.
3. Does the OPA378AIDBVT support rail-to-rail operation?
Yes, it supports rail-to-rail input and output.
4. What is the typical quiescent current?
The typical quiescent current is 125µA.
5. Is this amplifier suitable for low-noise applications?
Yes, it has a low noise level of 20nV/√Hz at 1kHz.
6. What is the offset voltage drift of the OPA378AIDBVT?
The offset voltage drift is typically 0.1µV/°C.
7. What is the maximum operating temperature?
The maximum operating temperature is 125°C.
8. What packaging options are available?
It is available in SC70 and SOT23 packages.
9. Is the OPA378AIDBVT EMI-hardened?
Yes, it features an EMI-hardened design.
10. What are the typical applications for this amplifier?
Typical applications include sensor signal conditioning, medical devices, and portable electronics.
