Overview
The OPA2604AUG4 is a dual, FET-input operational amplifier designed by Texas Instruments for enhanced AC performance. This amplifier is renowned for its low distortion, low noise, and wide bandwidth, making it ideal for applications requiring superior dynamic performance. The OPA2604AUG4 is particularly suited for high-quality audio equipment and other applications where exceptional sound quality and low harmonic distortion are critical.
Key Specifications
| Parameter | Condition | Typical Value | Units |
|---|---|---|---|
| Input Offset Voltage | - | ±1 to ±5 | mV |
| Average Drift | - | ±8 | µV/°C |
| Input Bias Current | VCM = 0V | 50 | pA |
| Power Supply Rejection | VS = ±5 to ±24V | 80 to 100 | dB |
| Gain-Bandwidth Product | - | 20 | MHz |
| Slew Rate | - | 25 | V/µs |
| Supply Voltage Range | - | ±4.5 to ±24V | - |
| Load Drive Capability | - | 600Ω | - |
| Temperature Range | - | -25 to +85°C | - |
| Package Type | - | 8-SOIC | - |
Key Features
- Low Distortion: 0.0003% at 1kHz, ensuring high fidelity in audio applications.
- Low Noise: 10 nV/√Hz, providing a wide dynamic range even with high source impedance.
- High Slew Rate: 25 V/µs, supporting fast signal transitions.
- Wide Gain-Bandwidth Product: 20 MHz, suitable for a variety of high-frequency applications.
- Unity-Gain Stable: Easy to use in a wide range of circuit configurations.
- Wide Supply Voltage Range: ±4.5 to ±24V, offering flexibility in power supply design.
- High Load Drive Capability: Drives 600Ω loads, making it suitable for demanding applications.
Applications
- Professional Audio Equipment: Ideal for high-quality audio systems due to its exceptional sound quality and low distortion.
- PCM DAC I/V Converters: Suitable for digital-to-analog conversion applications requiring low noise and high dynamic range.
- Spectral Analysis Equipment: Used in spectral analysis due to its wide bandwidth and low distortion.
- Active Filters: Applicable in active filter circuits where high gain-bandwidth and low noise are essential.
- Transducer Amplifiers: Suitable for amplifying signals from transducers in various measurement and control systems.
- Data Acquisition: Used in data acquisition systems requiring high accuracy and low noise.
Q & A
- What is the typical input offset voltage of the OPA2604AUG4?
The typical input offset voltage is ±1 to ±5 mV.
- What is the slew rate of the OPA2604AUG4?
The slew rate is 25 V/µs.
- What is the gain-bandwidth product of the OPA2604AUG4?
The gain-bandwidth product is 20 MHz.
- What is the supply voltage range for the OPA2604AUG4?
The supply voltage range is ±4.5 to ±24V.
- What type of package is the OPA2604AUG4 available in?
The OPA2604AUG4 is available in an 8-SOIC package.
- What are the typical applications of the OPA2604AUG4?
Typical applications include professional audio equipment, PCM DAC I/V converters, spectral analysis equipment, active filters, transducer amplifiers, and data acquisition systems.
- How does the OPA2604AUG4 handle capacitive loads?
The OPA2604AUG4 has optimized dynamic characteristics for handling capacitive loads, but caution is advised to avoid gain peaking or oscillations by ensuring proper phase margin.
- What is the maximum output current of the OPA2604AUG4?
The output current is limited to approximately ±40mA at 25°C.
- How does the OPA2604AUG4 manage power dissipation?
The device is designed with copper leadframe construction to improve heat dissipation. It is recommended to solder the device directly to the circuit board and use wide circuit board traces for best heat dissipation.
- Is the OPA2604AUG4 unity-gain stable?
Yes, the OPA2604AUG4 is unity-gain stable, making it easy to use in a wide range of circuit configurations.
