Overview
The OPA1612AIDR is a high-performance, bipolar-input audio operational amplifier from Texas Instruments. It is part of the SoundPlus™ family, known for its superior sound quality, ultralow noise, and low distortion. This dual operational amplifier is available in an 8-pin SOIC (D) package and operates over a wide supply range of ±2.25 V to ±18 V. The OPA1612 is designed to provide excellent dynamic behavior and is unity-gain stable, making it suitable for a variety of audio applications.
Key Specifications
| Parameter | Value |
|---|---|
| Noise Density | 1.1 nV/√Hz at 1 kHz |
| Distortion | 0.000015% at 1 kHz |
| Slew Rate | 27 V/μs |
| Bandwidth | 40 MHz (G = +1) |
| Open-Loop Gain | 130 dB |
| Quiescent Current | 3.6 mA per Channel |
| Output Drive Capability | ±30 mA |
| Operating Temperature Range | –40°C to +85°C |
| Package Type | SOIC (D) - 8 pins |
Key Features
- Superior Sound Quality: Achieves very low noise and distortion, making it ideal for high-fidelity audio applications.
- Ultralow Noise: 1.1 nV/√Hz at 1 kHz.
- Ultralow Distortion: 0.000015% at 1 kHz.
- High Slew Rate: 27 V/μs.
- Wide Bandwidth: 40 MHz (G = +1).
- High Open-Loop Gain: 130 dB.
- Unity Gain Stable: Ensures stability in unity gain configurations.
- Low Quiescent Current: 3.6 mA per channel.
- Rail-to-Rail Output: Provides maximum headroom and dynamic range.
- Wide Supply Range: ±2.25 V to ±18 V.
Applications
- Professional Audio Equipment: Ideal for high-end audio systems requiring low noise and distortion.
- Microphone Preamplifiers: Suitable for preamplifying microphone signals with high fidelity.
- Audio Mixing Consoles: Used in audio mixing consoles to maintain high sound quality.
- Hi-Fi Audio Systems: Perfect for home and professional Hi-Fi audio systems.
Q & A
- What is the noise density of the OPA1612AIDR?
The noise density of the OPA1612AIDR is 1.1 nV/√Hz at 1 kHz.
- What is the distortion level of the OPA1612AIDR at 1 kHz?
The distortion level is 0.000015% at 1 kHz.
- What is the slew rate of the OPA1612AIDR?
The slew rate is 27 V/μs.
- What is the bandwidth of the OPA1612AIDR?
The bandwidth is 40 MHz (G = +1).
- Is the OPA1612AIDR unity-gain stable?
- What is the quiescent current per channel of the OPA1612AIDR?
The quiescent current per channel is 3.6 mA.
- What is the output drive capability of the OPA1612AIDR?
The output drive capability is ±30 mA.
- What is the operating temperature range of the OPA1612AIDR?
The operating temperature range is –40°C to +85°C.
- In what package types is the OPA1612AIDR available?
The OPA1612AIDR is available in SOIC (D) - 8 pins and SON-8 packages.
- What are some common applications of the OPA1612AIDR?
Common applications include professional audio equipment, microphone preamplifiers, audio mixing consoles, and Hi-Fi audio systems.
