Overview
The OPA132UAG4, part of the OPAx132 series from Texas Instruments, is a high-speed FET-input operational amplifier known for its excellent DC performance and high slew rate. This single-channel operational amplifier is designed to provide fast settling times and is suitable for a wide range of applications, including general-purpose, audio, data acquisition, and communications. The OPA132UAG4 is available in an 8-pin SOIC surface-mount package and operates over a temperature range of –40°C to +85°C.
Key Specifications
| Parameter | Test Conditions | Min | Typ | Max | Unit |
|---|---|---|---|---|---|
| Input 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 | μV/V | |
| Input Bias Current (IB) | ±5 | ±50 | pA | ||
| Input Voltage Noise Density (en) | f = 10Hz | 23 | nV/√Hz | ||
| Gain Bandwidth Product (GBW) | 8 | MHz | |||
| Slew Rate (SR) | ±20 | V/μs | |||
| Settling Time | 10V step, G = 1, CL = 100pF | 0.7 | μs (0.1%) | ||
| 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 (Positive) | |
| 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 8MHz and a slew rate of ±20V/μs.
- Excellent DC performance with low input offset voltage and drift.
- Low input bias current and noise, making it suitable for high source impedance applications.
- Unity-gain stable and free from phase inversion and overload problems.
- High common-mode rejection ratio (CMRR) and low input impedance.
- Operates with power supplies from ±2.5V to ±18V.
- Available in an 8-pin SOIC surface-mount package.
- Temperature range: –40°C to +85°C.
Applications
The OPA132UAG4 is an excellent choice for various applications, including:
- General-purpose amplification.
- Audio circuits.
- Data acquisition systems.
- Communications equipment.
- High-voltage industrial applications with high source impedance.
Q & A
- What is the gain bandwidth product of the OPA132UAG4?
The gain bandwidth product of the OPA132UAG4 is 8MHz. - What is the slew rate of the OPA132UAG4?
The slew rate of the OPA132UAG4 is ±20V/μs. - What is the input offset voltage of the OPA132UAG4?
The input offset voltage of the OPA132UAG4 is typically ±0.5mV. - What is the power supply range for the OPA132UAG4?
The OPA132UAG4 operates with power supplies from ±2.5V to ±18V. - What is the temperature range for the OPA132UAG4?
The OPA132UAG4 operates over a temperature range of –40°C to +85°C. - Is the OPA132UAG4 unity-gain stable?
Yes, the OPA132UAG4 is unity-gain stable. - What is the common-mode rejection ratio (CMRR) of the OPA132UAG4?
The CMRR of the OPA132UAG4 is typically 100dB. - What is the quiescent current of the OPA132UAG4?
The quiescent current of the OPA132UAG4 is typically ±4mA. - What package type is the OPA132UAG4 available in?
The OPA132UAG4 is available in an 8-pin SOIC surface-mount package. - Is the OPA132UAG4 suitable for high source impedance applications?
Yes, the OPA132UAG4 is particularly suitable for applications with high source impedance due to its low input bias current and noise.
