Overview
The OPA1662AIDGK is a dual, bipolar-input operational amplifier from Texas Instruments, part of the SoundPlus™ series. This device is renowned for its low noise and distortion, making it ideal for premium audio applications. The OPA1662AIDGK offers a low noise density of 3.3 nV/√Hz at 1 kHz and an ultra-low distortion of 0.00006% at 1 kHz. It operates over a wide supply range of ±1.5V to ±18V or 3V to 36V, with a low quiescent current of 1.5 mA per channel. The device is unity-gain stable and features rail-to-rail output, ensuring high dynamic range and headroom.
Key Specifications
| Parameter | Value | Unit |
|---|---|---|
| Noise Density at 1 kHz | 3.3 | nV/√Hz |
| Distortion at 1 kHz | 0.00006% | |
| Quiescent Current per Channel | 1.5 | mA |
| Slew Rate | 17 | V/µs |
| Gain Bandwidth Product (GBW) | 22 | MHz |
| Common Mode Rejection Ratio (CMRR) | 86 (Min), 100 (Typ) | dB |
| Input Bias Current (Max) | 1200 | pA |
| Output Current (Typ) | 40 | mA |
| Operating Temperature Range | -40 to 85 | °C |
| Package Type | VSSOP (DGK) | |
| Number of Pins | 8 |
Key Features
- Low noise: 3.3 nV/√Hz at 1 kHz
- Ultra-low distortion: 0.00006% at 1 kHz
- Low quiescent current: 1.5 mA per channel
- High slew rate: 17 V/µs
- Wide gain bandwidth: 22 MHz (G = +1)
- Unity gain stable
- Rail-to-rail output
- Wide supply range: ±1.5V to ±18V or 3V to 36V
- Dual and quad versions available
- Small package sizes: SOIC-8 and VSSOP-8
- High output drive capability: ±30 mA
- Completely independent circuitry for low crosstalk
Applications
The OPA1662AIDGK is well-suited for premium audio applications, including external amplifier applications in infotainment and automotive systems. Its low noise and distortion make it ideal for high-fidelity audio systems, professional audio equipment, and any application requiring high dynamic range and low noise.
Q & A
- What is the noise density of the OPA1662AIDGK at 1 kHz?
The noise density is 3.3 nV/√Hz at 1 kHz.
- What is the distortion level of the OPA1662AIDGK at 1 kHz?
The distortion level is 0.00006% at 1 kHz.
- What is the quiescent current per channel of the OPA1662AIDGK?
The quiescent current per channel is 1.5 mA.
- What is the slew rate of the OPA1662AIDGK?
The slew rate is 17 V/µs.
- What is the gain bandwidth product (GBW) of the OPA1662AIDGK?
The GBW is 22 MHz.
- Is the OPA1662AIDGK unity-gain stable?
Yes, the OPA1662AIDGK is unity-gain stable.
- What is the operating temperature range of the OPA1662AIDGK?
The operating temperature range is -40°C to 85°C.
- What package types are available for the OPA1662AIDGK?
The OPA1662AIDGK is available in VSSOP (DGK) and SOIC packages.
- What is the output drive capability of the OPA1662AIDGK?
The output drive capability is ±30 mA.
- Is the OPA1662AIDGK suitable for automotive applications?
Yes, the OPA1662AIDGK is suitable for automotive applications due to its automotive rating and wide operating temperature range.
