Overview
The OPA2340EA/250G4 is a precision operational amplifier produced by Texas Instruments. It belongs to the category of low-power, rail-to-rail input/output operational amplifiers, designed for applications requiring high accuracy and low power consumption. This model is particularly suited for portable and battery-powered devices, offering excellent performance in a compact package. Its market positioning targets industries such as medical instrumentation, consumer electronics, and industrial automation, where precision and efficiency are critical. The OPA2340EA/250G4 stands out for its low offset voltage, low noise, and wide supply voltage range, making it a competitive choice in its class.
Key Specifications
| Parameter | Value | Unit | Notes |
|---|---|---|---|
| Supply Voltage Range | 2.5 to 5.5 | V | Single or dual supply |
| Input Offset Voltage | ±0.5 | mV | Max |
| Input Bias Current | 1 | pA | Typical |
| Gain Bandwidth Product | 1 | MHz | Typical |
| Slew Rate | 0.6 | V/µs | Typical |
| Quiescent Current | 50 | µA | Per amplifier |
| Operating Temperature Range | -40 to 125 | °C | Industrial grade |
| Package | SOT-23-8 | - | Compact footprint |
Key Features
- Rail-to-rail input and output for maximum dynamic range.
- Low quiescent current of 50 µA per amplifier, ideal for battery-powered applications.
- Low input offset voltage and bias current ensure high precision.
- Wide supply voltage range (2.5V to 5.5V) for versatile operation.
- Compact SOT-23-8 package for space-constrained designs.
Applications
The OPA2340EA/250G4 is widely used in various applications, including:
- Medical Instrumentation: Precision signal amplification in portable medical devices.
- Consumer Electronics: Audio amplification and signal conditioning in smartphones and tablets.
- Industrial Automation: Sensor signal conditioning and data acquisition systems.
- Portable Devices: Low-power amplification in handheld devices and wearables.
Q & A
1. What is the supply voltage range of the OPA2340EA/250G4?
The supply voltage range is 2.5V to 5.5V, supporting both single and dual supply configurations.
2. What is the typical input offset voltage?
The typical input offset voltage is ±0.5 mV, ensuring high precision.
3. Is this operational amplifier suitable for battery-powered devices?
Yes, its low quiescent current of 50 µA per amplifier makes it ideal for battery-powered applications.
4. What is the gain bandwidth product of this amplifier?
The gain bandwidth product is 1 MHz, providing sufficient bandwidth for many precision applications.
5. Can the OPA2340EA/250G4 operate in industrial environments?
Yes, it has an operating temperature range of -40°C to 125°C, making it suitable for industrial applications.
6. What package does this amplifier come in?
It is available in a compact SOT-23-8 package.
7. Does this amplifier support rail-to-rail operation?
Yes, it supports rail-to-rail input and output for maximum dynamic range.
8. What is the typical input bias current?
The typical input bias current is 1 pA, ensuring minimal loading on the signal source.
9. Is the OPA2340EA/250G4 suitable for audio applications?
Yes, its low noise and rail-to-rail operation make it suitable for audio amplification.
10. Where can I find the official datasheet for this amplifier?
The official datasheet can be found on the Texas Instruments website or authorized distributors like Digi-Key or Mouser.
