Overview
The OPA1641AIDGKR is a high-performance, JFET-input audio operational amplifier manufactured by Texas Instruments. This single-channel amplifier is designed for professional audio applications, offering ultra-low distortion and noise, making it ideal for high-fidelity audio systems. The OPA1641AIDGKR is part of the SoundPlus™ series, known for its exceptional audio quality and rail-to-rail output swing, which enhances dynamic headroom in audio circuits. It operates over a wide supply voltage range of ±2.25V to ±18V, ensuring versatility in various applications. This amplifier is particularly suited for use in professional audio equipment, analog and digital mixers, broadcast studio equipment, and high-end A/V receivers.
Key Specifications
| Parameter | Value | Unit | Notes |
|---|---|---|---|
| Amplifier Type | Audio | - | - |
| Number of Channels | 1 | - | - |
| Output Type | Rail-to-Rail | - | - |
| Slew Rate | 20 | V/µs | - |
| Gain Bandwidth Product | 11 | MHz | - |
| Input Bias Current | 2 | pA | - |
| Input Offset Voltage | 1000 | µV | - |
| Supply Current | 1.8 | mA | - |
| Output Current | 36 | mA | - |
| Supply Voltage Range | ±2.25 to ±18 | V | - |
| Operating Temperature Range | -40 to +85 | °C | - |
| Package | 8-SOIC | - | - |
Key Features
- Ultra-low distortion and noise for high-fidelity audio
- Rail-to-rail output swing for increased dynamic headroom
- Wide supply voltage range (±2.25V to ±18V)
- Stable operation with a gain of +1 or higher
- High output current drive capability
- Low input bias current and offset voltage
Applications
The OPA1641AIDGKR is widely used in professional audio equipment, including analog and digital mixers, broadcast studio equipment, high-end A/V receivers, and Blu-Ray™ players. Its ultra-low distortion and noise make it ideal for high-fidelity audio systems, while its rail-to-rail output swing enhances dynamic headroom in audio circuits. Additionally, it is suitable for use in automotive audio systems, where it meets the AEC-Q100 standard for automotive applications.
Q & A
1. What is the supply voltage range for the OPA1641AIDGKR?
The OPA1641AIDGKR operates over a wide supply voltage range of ±2.25V to ±18V.
2. What is the typical input bias current of the OPA1641AIDGKR?
The typical input bias current is 2 pA.
3. What is the slew rate of the OPA1641AIDGKR?
The slew rate is 20 V/µs.
4. What is the gain bandwidth product of the OPA1641AIDGKR?
The gain bandwidth product is 11 MHz.
5. What is the output current capability of the OPA1641AIDGKR?
The output current capability is 36 mA.
6. What is the operating temperature range for the OPA1641AIDGKR?
The operating temperature range is -40°C to +85°C.
7. What package does the OPA1641AIDGKR come in?
The OPA1641AIDGKR comes in an 8-SOIC package.
8. Is the OPA1641AIDGKR suitable for automotive applications?
Yes, the OPA1641AIDGKR meets the AEC-Q100 standard for automotive applications.
9. What are the key features of the OPA1641AIDGKR?
Key features include ultra-low distortion and noise, rail-to-rail output swing, wide supply voltage range, and high output current drive capability.
10. What are typical applications for the OPA1641AIDGKR?
Typical applications include professional audio equipment, analog and digital mixers, broadcast studio equipment, high-end A/V receivers, and automotive audio systems.
