Overview
The OPA1632D is a high-performance, fully-differential audio operational amplifier produced by Texas Instruments. Designed for driving high-performance audio analog-to-digital converters (ADCs), this IC chip is packaged in an MSOP-8 format and is widely used in audio applications. Its market positioning targets professional audio equipment manufacturers and audiophiles who require exceptional audio quality and low distortion. The OPA1632D stands out for its ultra-low noise, high-speed performance, and flexibility in converting single-ended inputs to balanced differential outputs, making it a competitive choice in the audio amplifier market.
Key Specifications
| Parameter | Value | Unit | Notes |
|---|---|---|---|
| Supply Voltage | 1.8V ~ 6V | V | Operational range |
| Noise Density | 1.3 | nV/√Hz | Ultra-low noise |
| Slew Rate | 50 | V/μs | High-speed performance |
| Gain Bandwidth | 180 | MHz | Wide bandwidth |
| Distortion | 0.000022% | % | Ultra-low distortion |
| Package | MSOP-8 | - | Compact form factor |
Key Features
- Ultra-low noise and distortion for superior audio quality.
- High-speed performance with a slew rate of 50 V/μs and gain bandwidth of 180 MHz.
- Fully-differential architecture for balanced input and output, reducing even-order harmonics and common-mode noise interference.
- Wide supply voltage range (1.8V ~ 6V) for versatile applications.
- Shutdown feature for power-saving flexibility.
Applications
The OPA1632D is ideal for various audio applications, including audio ADC drivers, balanced line drivers, balanced receivers, active filters, and preamplifiers. Its exceptional performance makes it suitable for professional audio equipment, high-fidelity audio systems, and other applications where audio quality is paramount. The amplifier's ability to convert single-ended inputs to balanced differential outputs also makes it a preferred choice in systems requiring noise reduction and improved signal integrity.
Q & A
1. What is the supply voltage range for the OPA1632D?
The OPA1632D operates within a supply voltage range of 1.8V to 6V.
2. What is the noise density of the OPA1632D?
The noise density is 1.3 nV/√Hz, ensuring ultra-low noise performance.
3. What is the slew rate of the OPA1632D?
The slew rate is 50 V/μs, providing high-speed performance.
4. What is the gain bandwidth of the OPA1632D?
The gain bandwidth is 180 MHz, offering wide bandwidth for audio applications.
5. What is the distortion level of the OPA1632D?
The distortion level is 0.000022%, ensuring ultra-low distortion for high-quality audio.
6. What package does the OPA1632D come in?
The OPA1632D is available in an MSOP-8 package.
7. Can the OPA1632D convert single-ended inputs to balanced outputs?
Yes, its fully-differential architecture allows for easy conversion of single-ended inputs to balanced differential outputs.
8. What are the typical applications of the OPA1632D?
Typical applications include audio ADC drivers, balanced line drivers, balanced receivers, active filters, and preamplifiers.
9. Does the OPA1632D have a shutdown feature?
Yes, it includes a shutdown feature for power-saving flexibility.
10. Why is the OPA1632D suitable for professional audio equipment?
Its ultra-low noise, high-speed performance, and low distortion make it ideal for professional audio equipment requiring exceptional audio quality.
