Overview
The OPA1662AIDRQ1 is a dual, bipolar-input operational amplifier designed by Texas Instruments. It is part of the SoundPlus™ audio operational amplifier series, known for its low noise and distortion, making it highly suitable for premium audio applications. This device is particularly well-suited for external amplifier applications in infotainment and cluster systems, where maintaining high audio quality is paramount. The OPA1662AIDRQ1 offers a low noise density of 3.3 nV/√Hz at 1 kHz and an ultra-low distortion of 0.00006% at 1 kHz, ensuring a clear and quality output signal.
Key Specifications
| Parameter | Value | Unit |
|---|---|---|
| Supply Voltage Range | ±1.5 V to ±18 V or 3 V to 36 V | V |
| Input Voltage Range | (V–) – 0.5 to (V+) + 0.5 | V |
| Input Bias Current | 600 to 1200 nA | nA |
| Input Offset Current | ±25 to ±100 nA | nA |
| Common-Mode Voltage Range | (V–) + 0.5 to (V+) – 1 V | V |
| Common-Mode Rejection Ratio (CMRR) | 106 to 114 dB | dB |
| Open-Loop Voltage Gain (AOL) | 106 to 114 dB | dB |
| Output Voltage Range (RL = 2 kΩ) | (V–) + 0.6 V to (V+) – 0.6 V | V |
| Slew Rate | 17 V/μs | V/μs |
| Gain Bandwidth Product (GBP) | 22 MHz (G = +1) | MHz |
| Quiescent Current per Channel | 1.5 mA | mA |
| Package Type | SOIC-8, VSSOP-8 | - |
Key Features
- Low Noise and Distortion: 3.3 nV/√Hz noise density and 0.00006% THD+N at 1 kHz.
- Rail-to-Rail Output: Output swing to within 600 mV with a 2 kΩ load.
- Wide Supply Range: Operates from ±1.5 V to ±18 V or 3 V to 36 V.
- Low Quiescent Current: 1.5 mA per channel.
- High Slew Rate: 17 V/μs.
- Unity Gain Stable: Stable operation at unity gain.
- High Output Drive Capability: ±30 mA.
- Independent Circuitry: Completely independent circuitry for lowest crosstalk and freedom from interactions between channels.
Applications
- USB and FireWire Audio Systems: Ideal for high-quality audio transmission.
- Analog and Digital Mixers: Enhances audio mixing capabilities.
- Portable Recording Systems: Suitable for field recording and portable audio equipment.
- Audio Effects Processors: Used in various audio processing applications.
- High-End A/V Receivers and DVD/Blu-Ray Players: Ensures high-quality audio output in home entertainment systems.
- High-End Car Audio Systems: Optimizes audio performance in automotive infotainment systems.
- Body Control Modules and HEV/EV Converters: Applicable in automotive control systems and electric vehicle converters.
Q & A
- What is the noise density of the OPA1662AIDRQ1?
The noise density of the OPA1662AIDRQ1 is 3.3 nV/√Hz at 1 kHz.
- What is the THD+N of the OPA1662AIDRQ1 at 1 kHz?
The THD+N of the OPA1662AIDRQ1 is 0.00006% at 1 kHz.
- What is the supply voltage range of the OPA1662AIDRQ1?
The OPA1662AIDRQ1 operates from ±1.5 V to ±18 V or 3 V to 36 V.
- What is the quiescent current per channel of the OPA1662AIDRQ1?
The quiescent current per channel is 1.5 mA.
- What is the slew rate of the OPA1662AIDRQ1?
The slew rate is 17 V/μs.
- Is the OPA1662AIDRQ1 unity gain stable?
Yes, the OPA1662AIDRQ1 is unity gain stable.
- What is the output drive capability of the OPA1662AIDRQ1?
The output drive capability is ±30 mA.
- What are the typical applications of the OPA1662AIDRQ1?
Typical applications include USB and FireWire audio systems, analog and digital mixers, portable recording systems, audio effects processors, high-end A/V receivers, and high-end car audio systems.
- What package types are available for the OPA1662AIDRQ1?
The OPA1662AIDRQ1 is available in SOIC-8 and VSSOP-8 packages.
- What is the operating temperature range of the OPA1662AIDRQ1?
The operating temperature range is from –40°C to +85°C.
