Overview
The OPA132UA/2K5E4 is a high-speed FET-input operational amplifier produced by Texas Instruments. This device is part of the OPAx132 series, which offers high speed and excellent DC performance. The combination of a high slew rate and wide bandwidth provides fast settling times, making it an excellent choice for various applications, including general-purpose, audio, data acquisition, and communications.
The OPA132UA/2K5E4 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. It is free from phase inversion and overload problems often found in common FET-input operational amplifiers, and it features excellent common-mode rejection and low input bias current.
Key Specifications
| Parameter | Test Conditions | Min | Typ | Max | Unit |
|---|---|---|---|---|---|
| Offset Voltage (VOS) | ±0.2 | ±0.5 | ±2 | mV | |
| Input Offset Voltage Drift (dVOS/dT) | TA = –40°C to +85°C | ±2 | ±10 | μV/°C | |
| Power-Supply Rejection Ratio (PSRR) | ±2.5V ≤ VS ≤ ±18V | ±5 | ±15 | ±30 | μV/V |
| Input Bias Current (IB) | ±5 | ±50 | pA | ||
| Gain Bandwidth Product (GBW) | 8 | MHz | |||
| Slew Rate (SR) | ±20 | V/μs | |||
| Settling Time | 10V step, G = 1, CL = 100pF | 0.7 | 1 | μs (0.1% and 0.01% respectively) | |
| Total Harmonic Distortion plus Noise (THD+N) | f = 1kHz, G = 1, VO = 3.5Vrms, RL = 2kΩ | 0.0008% | |||
| Output Voltage (VO) | RL = 10kΩ | (V+) – 1.2 | (V+) – 0.9 | V | |
| Short-Circuit Current (ISC) | Sourcing | 36 | mA | ||
| Quiescent Current (IQ) | IO = 0mA | ±4 | ±4.8 | mA |
Key Features
- High-speed operation with a gain bandwidth product of 8 MHz and a slew rate of ±20 V/μs.
- Excellent DC performance with low input offset voltage (±0.2 mV to ±2 mV) and low input offset voltage drift (±2 μV/°C to ±10 μV/°C).
- Low input bias current (±5 pA to ±50 pA) and low input offset current.
- Wide supply range from ±2.5V to ±18V.
- High capacitive load drive and stable operation with high load capacitance.
- Unity-gain stable and free from phase inversion and overload problems.
- Excellent common-mode rejection and low noise (8 nV/√Hz at 1 kHz).
- Available in single (OPA132), dual (OPA2132), and quad (OPA4132) versions with identical specifications for maximum design flexibility.
Applications
The OPA132UA/2K5E4 is well-suited for a variety of applications, including:
- General-purpose amplification.
- Audio applications where high fidelity and low distortion are required.
- Data acquisition systems that demand high precision and low noise.
- Communications systems, particularly where high source impedance is encountered.
- High-voltage industrial applications with high source impedance.
Q & A
- What is the gain bandwidth product of the OPA132UA/2K5E4?
The gain bandwidth product is 8 MHz.
- What is the slew rate of the OPA132UA/2K5E4?
The slew rate is ±20 V/μs.
- What is the input offset voltage range for the OPA132UA/2K5E4?
The input offset voltage range is ±0.2 mV to ±2 mV.
- What is the input bias current of the OPA132UA/2K5E4?
The input bias current is ±5 pA to ±50 pA.
- What is the operating temperature range for the OPA132UA/2K5E4?
The operating temperature range is –40°C to +85°C.
- What are the available package options for the OPA132UA/2K5E4?
The OPA132UA/2K5E4 is available in an 8-pin SOIC surface-mount package.
- Is the OPA132UA/2K5E4 unity-gain stable?
Yes, the OPA132UA/2K5E4 is unity-gain stable.
- What are some common applications for the OPA132UA/2K5E4?
Common applications include general-purpose amplification, audio, data acquisition, communications, and high-voltage industrial applications.
- How does the OPA132UA/2K5E4 handle high load capacitance?
The OPA132UA/2K5E4 is stable and provides excellent dynamic behavior over a wide range of load conditions, including high load capacitance.
- What is the quiescent current of the OPA132UA/2K5E4?
The quiescent current is ±4 mA to ±4.8 mA.
