Overview
The OPA4132UA, manufactured by Texas Instruments, is a high-performance, quad-channel FET-input operational amplifier. Designed for precision and low-noise applications, it is widely used in audio amplification, measurement instruments, data acquisition systems, and communication systems. Its market positioning targets engineers and designers seeking reliable, high-speed operational amplifiers for demanding applications. The OPA4132UA stands out for its wide bandwidth, low distortion, and robust performance across a broad range of operating conditions.
Key Specifications
| Parameter | Value | Unit | Notes |
|---|---|---|---|
| Channels | 4 | ||
| Gain Bandwidth Product (GBP) | 8 | MHz | |
| Slew Rate (SR) | 20 | V/µs | |
| Input Bias Current (Ib) | 50 | pA | Max |
| Input Offset Voltage (Vos) | 2 | mV | Max |
| Supply Voltage Range | ±2.5 to ±18 | V | |
| Operating Temperature Range | -40 to +85 | °C | |
| Noise Density (en) | 8 | nV/√Hz | @ 1 kHz |
| Common Mode Rejection Ratio (CMRR) | 100 | dB | |
| Package | SOIC-14 |
Key Features
- High-speed FET input with low input bias current (50 pA max).
- Wide bandwidth (8 MHz) and high slew rate (20 V/µs) for fast signal processing.
- Low noise (8 nV/√Hz) and low distortion (0.00008%) for high-fidelity applications.
- Wide supply voltage range (±2.5 V to ±18 V) for versatile operation.
- Stable performance in unit gain configuration, suitable for various load conditions.
Applications
The OPA4132UA is ideal for applications requiring precision and speed, such as audio amplifiers, active filters, and data acquisition systems. Its low noise and distortion make it suitable for high-fidelity audio processing, while its wide bandwidth and slew rate ensure accurate signal handling in measurement and communication systems. Additionally, its robust performance in harsh environments makes it a reliable choice for industrial and automotive electronics.
Q & A
1. What is the input bias current of the OPA4132UA?
The input bias current is 50 pA (maximum).
2. What is the gain bandwidth product of this amplifier?
The gain bandwidth product is 8 MHz.
3. What is the slew rate of the OPA4132UA?
The slew rate is 20 V/µs.
4. What is the operating temperature range?
The operating temperature range is -40°C to +85°C.
5. What is the supply voltage range for this amplifier?
The supply voltage range is ±2.5 V to ±18 V.
6. Is the OPA4132UA suitable for audio applications?
Yes, its low noise and distortion make it ideal for high-fidelity audio applications.
7. What is the package type of the OPA4132UA?
It is available in a 14-pin SOIC package.
8. What is the input offset voltage?
The input offset voltage is 2 mV (maximum).
9. Can the OPA4132UA operate in single-supply configurations?
Yes, it supports single-supply operation from 5 V to 36 V.
10. What is the common mode rejection ratio (CMRR)?
The CMRR is 100 dB.
