Overview
The OPA2604APG4 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, particularly in high-quality audio and other demanding fields. The OPA2604 features advanced circuit techniques and special laser trimming to achieve very low harmonic distortion, resulting in exceptional sound quality and wide dynamic range even with high source impedance.
Key Specifications
| Parameter | Value | Unit |
|---|---|---|
| Input Offset Voltage | ±1 to ±5 | mV |
| Average Drift | ±8 | µV/°C |
| Power Supply Rejection | 80 to 100 | dB |
| Input Bias Current | 50 | pA |
| Supply Voltage Range | ±4.5 to ±24 | V |
| Gain-Bandwidth Product | 20 | MHz |
| Slew Rate | 25 | V/µs |
| Output Short-Circuit Current | ±40 | mA |
| Operating Temperature Range | –25 to 85 | °C |
| Junction Temperature | 150 | °C |
| Lead Temperature (Soldering, 10s) | 300 | °C |
Key Features
- Low distortion: 0.0003% at 1 kHz.
- Low noise: 10 nV/√Hz.
- High slew rate: 25 V/µs.
- Wide gain-bandwidth: 20 MHz.
- Unity-gain stable.
- Wide supply range: ±4.5 to ±24 V.
- Drives 600-Ω loads.
- Laser-trimmed offset voltage to minimize the need for interstage coupling capacitors.
Applications
- Professional audio equipment.
- PCM DAC I/V converters.
- Spectral analysis equipment.
- Active filters.
- Transducer amplifiers.
- Data acquisition.
Q & A
- What is the primary application of the OPA2604APG4? The OPA2604APG4 is primarily used in professional audio equipment, PCM DAC I/V converters, spectral analysis equipment, active filters, transducer amplifiers, and data acquisition systems.
- What is the input offset voltage of the OPA2604APG4? The input offset voltage is ±1 to ±5 mV.
- What is the slew rate of the OPA2604APG4? The slew rate is 25 V/µs.
- What is the gain-bandwidth product of the OPA2604APG4? The gain-bandwidth product is 20 MHz.
- What is the supply voltage range for the OPA2604APG4? The supply voltage range is ±4.5 to ±24 V.
- Can the OPA2604APG4 drive 600-Ω loads? Yes, the OPA2604APG4 can drive 600-Ω loads.
- What is the operating temperature range for the OPA2604APG4? The operating temperature range is –25 to 85 °C.
- What is the junction temperature limit for the OPA2604APG4? The junction temperature limit is 150 °C.
- How is the offset voltage of the OPA2604APG4 adjusted? The offset voltage is laser-trimmed to minimize the need for interstage coupling capacitors.
- What is the typical noise level of the OPA2604APG4? The typical noise level is 10 nV/√Hz.
