Overview
The OPA2132UA/2K5G4 is a high-performance, dual-channel operational amplifier from Texas Instruments. It belongs to the OPAx132 series, known for its high speed and excellent DC performance. This device is particularly suited for applications requiring low input bias current, high slew rate, and wide bandwidth. The OPA2132UA/2K5G4 is available in an 8-pin SOIC surface-mount package and is specified for operation over a temperature range of –40°C to +85°C.
Key Specifications
| Parameter | Min | Typ | Max | Unit |
|---|---|---|---|---|
| Input Offset Voltage (VOS) | ±0.2 | ±0.5 | ±2 | mV |
| Input Bias Current (IB) | ±5 | ±50 | pA | |
| Gain Bandwidth Product (GBW) | 8 | MHz | ||
| Slew Rate (SR) | ±20 | V/μs | ||
| Supply Voltage (VS) | ±2.5 | ±15 | ±18 | V |
| Quiescent Current (IQ) per Amplifier | ±4 | ±4.8 | mA | |
| Short-Circuit Current (ISC) | 36 | mA (Sourcing) | ||
| -30 | mA (Sinking) | |||
| Total Harmonic Distortion + Noise (THD+N) | 0.0008% | f = 1kHz, G = 1, VO = 3.5Vrms |
Key Features
- FET input with low input bias current (IB = 50pA Maximum)
- Wide bandwidth of 8MHz and high slew rate of 20V/μs
- Low noise of 8nV/√Hz at 1kHz
- Low distortion of 0.00008%
- High open-loop gain of 126dB (2kΩ load)
- Wide supply range from ±2.5V to ±18V
- Low offset voltage of 500μV maximum
- Single, dual, and quad versions available for design flexibility
- Stable in unity gain and excellent dynamic behavior over a wide range of load conditions
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 input bias current of the OPA2132UA/2K5G4?
The input bias current is typically ±50pA. - What is the gain bandwidth product of the OPA2132UA/2K5G4?
The gain bandwidth product is 8MHz. - What is the slew rate of the OPA2132UA/2K5G4?
The slew rate is ±20V/μs. - What is the supply voltage range for the OPA2132UA/2K5G4?
The supply voltage range is from ±2.5V to ±18V. - What are the typical applications of the OPA2132UA/2K5G4?
Typical applications include SAR ADC drivers, voltage reference buffers, trans-impedance amplifiers, photodiode amplifiers, active filters, and integrators. - What is the operating temperature range of the OPA2132UA/2K5G4?
The operating temperature range is from –40°C to +85°C. - What is the quiescent current per amplifier for the OPA2132UA/2K5G4?
The quiescent current per amplifier is typically ±4mA. - Is the OPA2132UA/2K5G4 stable in unity gain?
Yes, the OPA2132UA/2K5G4 is stable in unity gain. - What is the package type for the OPA2132UA/2K5G4?
The package type is an 8-pin SOIC surface-mount package. - Are there any next-generation versions of the OPA2132UA/2K5G4?
Yes, the OPA2156 is a next-generation version offering lower broadband noise, wider bandwidth, and rail-to-rail inputs.
