Overview
The OPA4130UA is a quad, low bias current, low-noise, precision FET-input operational amplifier produced by Texas Instruments. This device is part of the OPAx130 series, which combines precision DC performance with low quiescent current, making it suitable for general-purpose, portable, and battery-operated applications, especially those with high source impedance.
The OPA4130UA is available in a 14-pin SOIC (D) surface-mount package and operates over a wide temperature range of –40°C to +85°C. It is designed to be easy to use and free from phase inversion and overload problems often found in common FET-input op amps.
Key Specifications
| Parameter | Value |
|---|---|
| Package | SOIC (D), 14 pins |
| Operating Temperature Range | –40°C to +85°C |
| Bandwidth | 1 MHz |
| Quiescent Current | 530 µA/amp |
| Input Offset Voltage | 1 mV max |
| Open-Loop Gain | 123 dB (RL = 10 kΩ) |
| Common Mode Rejection Ratio (CMRR) | 90 dB min |
| Input Bias Current | 20 pA max |
| Slew Rate | 2 V/μs |
| Voltage Supply Range | ±2.25 V to ±18 V DC / 4.5 V to 36 V DC |
Key Features
- Low quiescent current: 530 µA/amp
- Low offset voltage: 1 mV max
- High open-loop gain: 123 dB (RL = 10 kΩ)
- High CMRR: 90 dB min
- FET input with low input bias current: 20 pA max
- Excellent bandwidth: 1 MHz
- Wide supply range: ±2.25 V to ±18 V DC / 4.5 V to 36 V DC
- Single, dual, and quad versions available for design flexibility
- Stable in unity gain and excellent dynamic behavior over a wide range of load conditions
- Completely independent circuitry in dual and quad designs for lowest crosstalk
Applications
The OPA4130UA is designed for various applications, including:
- General-purpose amplification
- Portable and battery-operated devices
- High source impedance applications
- Systems requiring low power consumption and high precision
Q & A
- What is the package type of the OPA4130UA?
The OPA4130UA is packaged in a 14-pin SOIC (D) surface-mount package.
- What is the operating temperature range of the OPA4130UA?
The operating temperature range is –40°C to +85°C.
- What is the bandwidth of the OPA4130UA?
The bandwidth is 1 MHz.
- What is the quiescent current of the OPA4130UA?
The quiescent current is 530 µA per amplifier.
- What is the input offset voltage of the OPA4130UA?
The input offset voltage is 1 mV max.
- What is the common mode rejection ratio (CMRR) of the OPA4130UA?
The CMRR is 90 dB min.
- What is the input bias current of the OPA4130UA?
The input bias current is 20 pA max.
- What is the slew rate of the OPA4130UA?
The slew rate is 2 V/μs.
- What is the voltage supply range of the OPA4130UA?
The voltage supply range is ±2.25 V to ±18 V DC / 4.5 V to 36 V DC.
- Is the OPA4130UA stable in unity gain?
Yes, the OPA4130UA is stable in unity gain and provides excellent dynamic behavior over a wide range of load conditions.
