Overview
The TPA6120A2RGYR, produced by Texas Instruments, is a high-fidelity stereo headphone amplifier designed to deliver exceptional audio quality. This amplifier replaces costly discrete designs, allowing for pure audio reproduction without the amplifier's presence being noticeable. The TPA6120A2 features a current-feedback AB amplifier architecture, which provides high bandwidth, extremely low noise, and up to 128 dB of dynamic range. This makes it ideal for applications requiring high-power output and very high fidelity audio.
Key Specifications
| Parameter | Value | Unit |
|---|---|---|
| Package | VQFN (RGY) | - |
| Pins | 14 | - |
| Operating Temperature Range | -40 to 85 | °C |
| Power Supply Range | ±5V to ±15V | V |
| Signal-to-Noise Ratio (SNR) | 128 dB A-Weighted | - |
| Total Harmonic Distortion (THD) | 112.5 dB | - |
| Output Voltage Noise | 0.9 µVrms at Gain = 1V/V (16Ω Load) | - |
| Slew Rate | 1300 V/µs | - |
| Load Impedance | 16 Ω | - |
Key Features
- Current-Feedback Architecture: Delivers high bandwidth, extremely low noise, and up to 128 dB of dynamic range.
- High Slew Rate: Prevents odd order distortion anomalies and enables quick and linear response to sudden power demands.
- Current-on-Demand: Allows the amplifier to respond quickly without raising the noise floor or degrading the signal-to-noise ratio.
- Gain-Independent Frequency Response: Enables the full bandwidth of the amplifier to be used over a wide range of gain settings.
- Independent Power Supplies: Reduces crosstalk and improves overall audio quality.
- Configurable Inputs: Can be configured for single-ended or differential inputs.
Applications
The TPA6120A2 is suitable for various high-fidelity audio applications, including:
- Professional audio equipment
- High-end consumer audio devices
- Audiophile-grade headphone amplifiers
- Studio and live sound systems
Q & A
- What is the package type of the TPA6120A2RGYR?
The TPA6120A2RGYR comes in a VQFN (RGY) package with 14 pins.
- What is the operating temperature range of the TPA6120A2RGYR?
The operating temperature range is -40°C to 85°C.
- What is the signal-to-noise ratio (SNR) of the TPA6120A2RGYR?
The SNR is 128 dB A-Weighted.
- What is the total harmonic distortion (THD) of the TPA6120A2RGYR?
The THD is 112.5 dB.
- What is the slew rate of the TPA6120A2RGYR?
The slew rate is 1300 V/µs.
- Can the TPA6120A2RGYR be configured for single-ended or differential inputs?
Yes, it can be configured for both single-ended and differential inputs.
- What is the recommended load impedance for the TPA6120A2RGYR?
The recommended load impedance is 16 Ω.
- What are the key benefits of the current-feedback architecture in the TPA6120A2RGYR?
The key benefits include high bandwidth, extremely low noise, and gain-independent frequency response).
- How does the TPA6120A2RGYR handle sudden power demands?
The amplifier responds quickly and linearly to sudden power demands without raising the noise floor or degrading the signal-to-noise ratio).
- What are some typical applications for the TPA6120A2RGYR?
Typical applications include professional audio equipment, high-end consumer audio devices, audiophile-grade headphone amplifiers, and studio and live sound systems).
