Overview
The OPA2132UA/2K5 is a dual, high-performance audio operational amplifier from Texas Instruments, part of the OPAx132 series. This device is known for its high speed and excellent DC performance, making it suitable for a wide range of applications, including general-purpose, audio, data-acquisition, and communications. The OPA2132UA/2K5 features FET inputs, which provide low input bias current and high input impedance, and is available in an 8-pin SOIC (D) package. It is designed to be easy to use and free from phase inversion and overload problems often found in common FET-input operational amplifiers.
Key Specifications
| Parameter | Value | Unit |
|---|---|---|
| Package | SOIC (D) | - |
| Pins | 8 | - |
| Operating Temperature Range | -40 to 125 | °C |
| Supply Voltage | ±2.5 to ±18 | V |
| Bandwidth | 8 MHz | - |
| Slew Rate | 20 V/µs | - |
| Noise | 8 nV/√Hz (1 kHz) | - |
| Distortion | 0.00008% | - |
| Open-Loop Gain | 126 dB (2 kΩ load) | - |
| Input Offset Voltage | ±0.5 mV | - |
| Input Bias Current | ±50 pA | - |
| Quiescent Current | ±4 mA (per amplifier) | - |
Key Features
- FET input with low input bias current (IB = 50 pA maximum)
- Wide bandwidth of 8 MHz
- High slew rate of 20 V/µs
- Low noise of 8 nV/√Hz at 1 kHz
- Low distortion of 0.00008%
- High open-loop gain of 126 dB (2 kΩ load)
- Wide supply range from ±2.5V to ±18V
- Low offset voltage of 500 µV maximum
- Single, dual, and quad versions available
Applications
- SAR ADC driver
- Voltage reference buffer
- Trans-impedance amplifier
- Photodiode amplifier
- Active filter
- Integrator
- General-purpose, audio, data-acquisition, and communications applications, especially where high source impedance is encountered
Q & A
- What is the package type of the OPA2132UA/2K5? The OPA2132UA/2K5 is available in an 8-pin SOIC (D) package.
- What is the operating temperature range of the OPA2132UA/2K5? The operating temperature range is -40°C to 125°C.
- What is the bandwidth of the OPA2132UA/2K5? The bandwidth is 8 MHz.
- What is the slew rate of the OPA2132UA/2K5? The slew rate is 20 V/µs.
- What is the noise level of the OPA2132UA/2K5 at 1 kHz? The noise level is 8 nV/√Hz at 1 kHz.
- What is the distortion level of the OPA2132UA/2K5? The distortion level is 0.00008%.
- What is the open-loop gain of the OPA2132UA/2K5 with a 2 kΩ load? The open-loop gain is 126 dB with a 2 kΩ load.
- What is the input offset voltage of the OPA2132UA/2K5? The input offset voltage is ±0.5 mV.
- What is the input bias current of the OPA2132UA/2K5? The input bias current is ±50 pA.
- What are some common applications of the OPA2132UA/2K5? Common applications include SAR ADC driver, voltage reference buffer, trans-impedance amplifier, photodiode amplifier, active filter, and integrator, as well as general-purpose, audio, data-acquisition, and communications applications.
