Overview
The OPA1612AIDRGT from Texas Instruments is a high-performance, dual-channel, bipolar-input audio operational amplifier. It is part of the SoundPlus™ series, known for its superior sound quality, ultra-low noise, and low distortion. This amplifier is designed to meet the stringent demands of professional audio applications, including professional audio and broadcast studio equipment, microphone preamplifiers, and analog/digital mixing consoles. The OPA1612AIDRGT offers a wide supply range, rail-to-rail output swing, and low quiescent current, making it an ideal choice for a variety of audio systems.
Key Specifications
| Parameter | Value |
|---|---|
| Manufacturer | Texas Instruments |
| Number of Channels | 2 |
| Package Type | WSON-8 |
| Operating Temperature Range | -40°C to 85°C |
| Bandwidth (Typ) | 40 MHz |
| Slew Rate (Typ) | 27 V/μs |
| Voltage Supply Range | ±2.25 V to ±18 V, 4.5 V to 36 V |
| Input Bias Current (Max) | 250 nA |
| Quiescent Current per Channel (Typ) | 3.6 mA |
| Output Current (Typ) | 55 mA |
| Common-Mode Rejection Ratio (Typ) | 120 dB |
| Offset Voltage (Max) | 0.5 mV |
| Noise Density at 1 kHz (Typ) | 1.1 nV/√Hz |
| Total Harmonic Distortion + Noise at 1 kHz | 0.000015% |
Key Features
- Superior Sound Quality: Ultra-low noise of 1.1 nV/√Hz at 1 kHz and low distortion of 0.000015% at 1 kHz.
- Rail-to-Rail Output: Output swing to within 600 mV with a 2-kΩ load, increasing headroom and maximizing dynamic range.
- Wide Supply Range: Operates from ±2.25 V to ±18 V, making it suitable for both 5V and 36V audio applications.
- Low Quiescent Current: 3.6 mA per channel, reducing power consumption and saving board space.
- High Slew Rate and Bandwidth: 27 V/μs slew rate and 40 MHz bandwidth for high-performance audio applications.
- High Open-Loop Gain: 130 dB, ensuring excellent dynamic behavior over a wide range of load conditions.
- Unity Gain Stable: Stable operation in unity gain configurations.
Applications
- Professional Audio Equipment: Ideal for professional audio and broadcast studio equipment.
- Microphone Preamplifiers: Suitable for high-quality microphone preamplification.
- Analog and Digital Mixing Consoles: Used in mixing consoles for professional audio applications.
- Audio Test and Measurement Equipment: Employed in equipment for audio testing and measurement.
Q & A
- What is the OPA1612AIDRGT used for?
The OPA1612AIDRGT is used in professional audio applications, including professional audio and broadcast studio equipment, microphone preamplifiers, and analog/digital mixing consoles.
- What are the key features of the OPA1612AIDRGT?
The key features include ultra-low noise, low distortion, rail-to-rail output, wide supply range, low quiescent current, high slew rate, and high bandwidth.
- What is the operating temperature range of the OPA1612AIDRGT?
The operating temperature range is -40°C to 85°C.
- What is the typical bandwidth of the OPA1612AIDRGT?
The typical bandwidth is 40 MHz.
- What is the slew rate of the OPA1612AIDRGT?
The slew rate is 27 V/μs.
- What is the voltage supply range of the OPA1612AIDRGT?
The voltage supply range is ±2.25 V to ±18 V, or 4.5 V to 36 V.
- How much quiescent current does the OPA1612AIDRGT consume per channel?
The quiescent current per channel is typically 3.6 mA.
- What is the common-mode rejection ratio (CMRR) of the OPA1612AIDRGT?
The CMRR is typically 120 dB.
- What is the noise density at 1 kHz for the OPA1612AIDRGT?
The noise density at 1 kHz is 1.1 nV/√Hz.
- Is the OPA1612AIDRGT RoHS compliant?
