Overview
The OPA1622IDRCR is a high-performance, low-voltage operational amplifier designed by Texas Instruments. It is optimized for precision and reliability in various applications, particularly in the realm of audio and instrumentation. This amplifier is part of the SoundPlus™ series, known for its exceptional audio performance with minimal distortion and optimal accuracy.
The OPA1622IDRCR is housed in a VSON-10 package and operates over a wide supply range of ±2 V to ±18 V, making it versatile for different power supply configurations. It is unity-gain stable and provides excellent dynamic behavior across a range of load conditions.
Key Specifications
| Parameter | Value | Unit |
|---|---|---|
| Package/Case | VSON-10-EP(3x3) | |
| Operating Temperature Range | -40°C to 125°C | °C |
| Supply Voltage Range | ±2 V to ±18 V | V |
| Supply Current per Channel | 2.6 mA | mA |
| Noise Density | 2.8 nV/√Hz | nV/√Hz |
| Total Harmonic Distortion + Noise (THD+N) | -119.2 dB at 1 kHz | dB |
| Output Drive Capability | +145 mA / -130 mA | mA |
| Shutdown Current | < 5 µA | µA |
Key Features
- Top Performance: Offers exceptional clarity, precision, and reliability in various applications.
- Precision Design: Ensures minimal distortion and optimal accuracy for precise signal processing.
- Low THD+N: Features a low total harmonic distortion plus noise for high-quality audio signals.
- Bipolar Input: Can handle both positive and negative voltages.
- SoundPlus™ Audio Operational Amplifier: Specifically designed for high-performance audio applications, providing exceptional sound quality and minimal distortion.
- Low Power Consumption: Energy-efficient with low supply current per channel.
- High Output-Drive Capability: Can drive a 32-Ω load at 100-mW output power.
- Shutdown Mode: Allows the amplifier to be switched to a standby current of less than 5 µA.
Applications
- Enhances Audio Performance: Ideal for preamps, line drivers, and headphone amps in high-fidelity audio systems.
- Premium Audio Amplifier: Suitable for high-fidelity audio applications requiring low distortion and high-quality sound.
- Instrumentation: Used in test equipment, signal processing, and data acquisition systems.
- Audio Signal Processing: Suitable for applications that require precision, reliability, and high-quality sound.
- Portable-Audio Applications: Excellent performance in portable audio devices due to its low noise and high PSRR and CMRR specifications.
Q & A
- Q: What is the operating temperature range of the OPA1622IDRCR?
A: The OPA1622IDRCR operates within a temperature range of -40°C to 125°C.
- Q: Is the OPA1622IDRCR suitable for high-fidelity audio applications?
A: Yes, the OPA1622IDRCR is specifically designed for high-performance audio applications and provides exceptional sound quality and minimal distortion.
- Q: Can the OPA1622IDRCR handle both positive and negative voltages?
A: Yes, the OPA1622IDRCR has bipolar input, allowing it to handle both positive and negative voltages.
- Q: What is the power consumption of the OPA1622IDRCR?
A: The OPA1622IDRCR has low power consumption, with a supply current of 2.6 mA per channel.
- Q: What is the noise density of the OPA1622IDRCR?
A: The noise density of the OPA1622IDRCR is 2.8 nV/√Hz.
- Q: What is the total harmonic distortion + noise (THD+N) of the OPA1622IDRCR?
A: The THD+N of the OPA1622IDRCR is -119.2 dB at 1 kHz.
- Q: What is the output drive capability of the OPA1622IDRCR?
A: The OPA1622IDRCR can drive a 32-Ω load at 100-mW output power and has an output drive capability of +145 mA / -130 mA.
- Q: Does the OPA1622IDRCR have a shutdown mode?
A: Yes, the OPA1622IDRCR has a shutdown mode that reduces the power consumption to less than 5 µA.
- Q: How does the OPA1622IDRCR protect against thermal issues?
A: The OPA1622IDRCR includes a thermal shutdown circuit that disables the amplifier if the junction temperature exceeds 175°C, and it is automatically re-enabled when the temperature falls below approximately 160°C.
- Q: What is the significance of the ground pin in the OPA1622IDRCR?
A: The ground pin allows the internal enable circuitry to be referenced to the system ground, improving PSRR and overall performance.
