Overview
The OPA1662AIDGKR, produced by Texas Instruments, is a dual-channel bipolar-input audio operational amplifier that is part of the OPA166x series. This device is designed to provide unmatched noise, distortion, and bandwidth performance, making it ideal for professional and prosumer audio equipment. The OPA1662AIDGKR is known for its low power consumption, high signal integrity, and wide supply range, enabling the development of high-performance audio systems with crisp and clean sound quality.
Key Specifications
| Parameter | Value | Unit |
|---|---|---|
| Noise Density | 3.3 | nV/√Hz at 1 kHz |
| Total Harmonic Distortion + Noise (THD+N) | 0.00006% | at 1 kHz |
| Quiescent Current per Channel | 1.5 | mA |
| Slew Rate | 17 | V/μs |
| Gain Bandwidth Product | 22 | MHz (G = +1) |
| Supply Range | ±1.5 V to ±18 V or 3 V to 36 V | |
| Operating Temperature Range | -40°C to +85°C | |
| Output Current | ±30 | mA |
| Package Type | VSSOP (DGK) | |
| Pins | 8 |
Key Features
- Low Noise and Distortion: The OPA1662AIDGKR features a low noise density of 3.3 nV/√Hz at 1 kHz and an ultra-low total harmonic distortion plus noise of 0.00006% at 1 kHz, ensuring high-quality audio reproduction.
- Low Power Consumption: With a quiescent current of only 1.5 mA per channel, this device is highly power-efficient, making it suitable for battery-powered and low-power applications.
- High Signal Integrity: The device offers a wide gain bandwidth of 22 MHz and a slew rate of 17 V/μs, providing higher signal integrity and faster response to a wide range of input signal frequencies.
- Wide Supply Range: The OPA1662AIDGKR operates over a wide supply range of ±1.5 V to ±18 V or 3 V to 36 V, offering excellent dynamic performance over a variety of loads.
- Rail-to-Rail Output: The device provides rail-to-rail output swing to within 600 mV with a 2 kΩ load, increasing headroom and maximizing dynamic range.
- Unity Gain Stable: The OPA1662AIDGKR is unity-gain stable, ensuring excellent dynamic behavior over a wide range of load conditions.
- Small Package Sizes: Available in SOIC-8 and VSSOP-8 packages, these devices are compact and suitable for space-constrained designs.
Applications
The OPA1662AIDGKR is targeted at various high-performance audio applications, including:
- USB and FireWire audio systems
- Analog and digital mixers
- Portable recording systems
- Premium audio external amplifier applications in infotainment and cluster systems
- Body control modules and HEV or EV converters where motors are used
Q & A
- What is the noise density of the OPA1662AIDGKR?
The noise density of the OPA1662AIDGKR is 3.3 nV/√Hz at 1 kHz.
- What is the total harmonic distortion plus noise (THD+N) of the OPA1662AIDGKR?
The THD+N of the OPA1662AIDGKR is 0.00006% at 1 kHz.
- How much quiescent current does the OPA1662AIDGKR consume per channel?
The OPA1662AIDGKR consumes 1.5 mA of quiescent current per channel.
- What is the slew rate of the OPA1662AIDGKR?
The slew rate of the OPA1662AIDGKR is 17 V/μs.
- What is the gain bandwidth product of the OPA1662AIDGKR?
The gain bandwidth product of the OPA1662AIDGKR is 22 MHz (G = +1).
- What is the operating supply range of the OPA1662AIDGKR?
The OPA1662AIDGKR operates over a supply range of ±1.5 V to ±18 V or 3 V to 36 V.
- What is the operating temperature range of the OPA1662AIDGKR?
The operating temperature range of the OPA1662AIDGKR is -40°C to +85°C.
- What is the output current capability of the OPA1662AIDGKR?
The OPA1662AIDGKR has an output current capability of ±30 mA.
- In what package types is the OPA1662AIDGKR available?
The OPA1662AIDGKR is available in SOIC-8 and VSSOP-8 packages.
- What are some typical applications of the OPA1662AIDGKR?
The OPA1662AIDGKR is used in USB and FireWire audio systems, analog and digital mixers, portable recording systems, and premium audio external amplifier applications.
- Is the OPA1662AIDGKR unity-gain stable?
Yes, the OPA1662AIDGKR is unity-gain stable.
