Overview
The OPA2131UA/2K5G4 is a dual, FET-input operational amplifier produced by Texas Instruments. This component is part of the OPAx131 series, which offers high performance at a low cost. The OPA2131 is available in an 8-pin SOIC (D) package and is designed for general-purpose applications, providing excellent dynamic characteristics and low offset voltage.
Key Specifications
| Parameter | Value |
|---|---|
| Package | SOIC (D), 8 pins |
| Operating Temperature Range | -55°C to 125°C |
| Input Bias Current | 50 pA max |
| Offset Voltage | 750 µV max |
| Supply Range | ±4.5V to ±18V |
| Slew Rate | 10 V/µs |
| Bandwidth | 4 MHz |
| Quiescent Current per Channel | 1.75 mA max, 1.5 mA typ |
| CMRR (Typical) | 80 dB |
Key Features
- FET input with low bias current (IB = 50 pA max)
- Low offset voltage (750 µV max)
- Wide supply range (±4.5V to ±18V)
- High slew rate (10 V/µs)
- Wide bandwidth (4 MHz)
- Excellent capacitive load drive
- Available in single, dual, and quad versions
Applications
The OPA2131UA/2K5G4 is suitable for a variety of general-purpose applications, including audio circuits, medical devices, industrial control systems, and any other application requiring low noise, low offset voltage, and high bandwidth. Its FET input stage makes it particularly useful in circuits where high input impedance is necessary.
Q & A
- What is the input bias current of the OPA2131UA/2K5G4? The input bias current is 50 pA max.
- What is the operating temperature range of the OPA2131UA/2K5G4? The operating temperature range is -55°C to 125°C.
- What is the maximum offset voltage of the OPA2131UA/2K5G4? The maximum offset voltage is 750 µV.
- What is the supply voltage range for the OPA2131UA/2K5G4? The supply voltage range is ±4.5V to ±18V.
- What is the slew rate of the OPA2131UA/2K5G4? The slew rate is 10 V/µs.
- What is the bandwidth of the OPA2131UA/2K5G4? The bandwidth is 4 MHz.
- Is the OPA2131UA/2K5G4 still in production? No, the OPA2131UA/2K5G4 is obsolete and no longer manufactured. However, substitutes are available.
- What package types are available for the OPA2131 series? The OPA2131 is available in an 8-pin SOIC (D) package. The quad version (OPA4131) is available in 14-pin and 16-pin SOIC packages and a 14-pin PDIP package.
- What are some typical applications for the OPA2131UA/2K5G4? Typical applications include audio circuits, medical devices, and industrial control systems.
- What is the quiescent current per channel for the OPA2131UA/2K5G4? The quiescent current per channel is 1.75 mA max and 1.5 mA typical.
