Overview
The OPA2131UJ/2K5 is a general-purpose, dual-channel operational amplifier (op amp) produced by Texas Instruments. It is part of the OPAx131 series, known for providing high performance at a low cost. This amplifier is designed for a wide range of instrumentation and buffer applications, offering versatile functionality in a compact 8-SOIC package.
The OPA2131UJ/2K5 is characterized by its FET-input architecture, which ensures low input bias current and high input impedance. It operates over a wide supply voltage range, making it suitable for both single-supply and dual-supply configurations.
Key Specifications
| Parameter | Typical Value | Minimum Value | Maximum Value | Unit |
|---|---|---|---|---|
| Number of Channels | 2 | - | - | - |
| Input Offset Voltage | ±1 | ±0.2 | ±1.5 | mV |
| Input Offset Voltage Drift | ±2 | - | ±10 | μV/°C |
| Input Bias Current | ±5 | - | ±50 | pA |
| Gain Bandwidth Product (GBW) | 4 | - | - | MHz |
| Slew Rate | 10 | - | - | V/μs |
| Supply Voltage Range (Single Supply) | 9 to 36 | 9 | 36 | V |
| Supply Voltage Range (Dual Supply) | ±4.5 to ±18 | ±4.5 | ±18 | V |
| Operating Temperature Range | -55 to 125 | -55 | 125 | °C |
| Output Current per Channel | 25 | - | - | mA |
| Package Type | 8-SOIC | - | - | - |
Key Features
- FET-Input Architecture: Provides low input bias current and high input impedance.
- Wide Supply Voltage Range: Operates from 9V to 36V in single-supply mode or ±4.5V to ±18V in dual-supply mode.
- High Slew Rate: 10 V/μs, enabling the amplifier to handle rapid changes in input signals.
- Gain Bandwidth Product (GBW): 4 MHz, sufficient for many instrumentation and buffer tasks.
- Low Input Offset Voltage: Typically ±1 mV, ensuring accurate signal amplification.
- Low Input Bias Current: Typically ±5 pA, reducing the impact on the input signal.
- Compact Packaging: 8-SOIC package, suitable for surface mount applications.
- RoHS Compliant: Ensures environmental responsibility and compliance with regulatory standards.
Applications
The OPA2131UJ/2K5 is versatile and can be used in a variety of applications, including:
- Instrumentation: Ideal for signal conditioning and amplification in measurement instruments.
- Buffer Circuits: Suitable for buffering signals in various electronic systems.
- Medical Equipment: Used in medical devices that require precise signal amplification and conditioning.
- Industrial Automation: Applied in industrial control systems and automation equipment.
- Test and Measurement Devices: Utilized in test equipment and measurement instruments.
- Consumer Electronics: Found in various consumer electronic devices requiring reliable signal amplification.
Q & A
- What is the OPA2131UJ/2K5?
The OPA2131UJ/2K5 is a dual-channel, general-purpose operational amplifier produced by Texas Instruments.
- What is the input offset voltage of the OPA2131UJ/2K5?
The input offset voltage is typically ±1 mV, with a maximum of ±1.5 mV.
- What is the slew rate of the OPA2131UJ/2K5?
The slew rate is 10 V/μs.
- What is the gain bandwidth product (GBW) of the OPA2131UJ/2K5?
The GBW is 4 MHz.
- What is the operating temperature range of the OPA2131UJ/2K5?
The operating temperature range is -55°C to 125°C.
- Is the OPA2131UJ/2K5 RoHS compliant?
Yes, the OPA2131UJ/2K5 is RoHS compliant.
- What is the typical input bias current of the OPA2131UJ/2K5?
The typical input bias current is ±5 pA.
- What is the output current per channel of the OPA2131UJ/2K5?
The output current per channel is typically 25 mA.
- In what package is the OPA2131UJ/2K5 available?
The OPA2131UJ/2K5 is available in an 8-SOIC package.
- What are some common applications of the OPA2131UJ/2K5?
Common applications include instrumentation, buffer circuits, medical equipment, industrial automation, and test and measurement devices.
