Overview
The TPA1517DWP is a stereo audio power amplifier produced by Texas Instruments. It is designed to deliver high-quality audio output with several key features that make it suitable for a variety of applications. The amplifier contains two identical channels, each capable of delivering 6 W of continuous average power into a 4-Ω load at 10% THD+N or 5 W per channel at 1% THD+N. It is available in a 20-pin thermally enhanced PowerPAD™ surface-mount package (DWP) and a 20-pin thermally enhanced DIP package (NE).
Key Specifications
| Parameter | Min | Typ | Max | Unit |
|---|---|---|---|---|
| Output Power (THD = 10%) | - | - | 6 | W |
| Output Power (THD = 1%) | - | - | 5 | W |
| Supply Voltage Range | 9.5 | - | 18 | V |
| Gain | 18.5 | 20 | 21 | dB |
| Signal-to-Noise Ratio (SNR) | - | - | 84 | dB |
| Total Harmonic Distortion (THD) | - | 0.1% | - | % |
| Input Impedance | - | 60 kΩ | - | Ω |
| Supply Current | 50 | 90 | - | mA |
| Operating Temperature Range | -40 | - | 85 | °C |
Key Features
- High power outputs: 6 W per channel into a 4-Ω load at 10% THD+N or 5 W per channel at 1% THD+N.
- Fixed gain of 20 dB.
- Mute and standby operation modes controlled by the M/SB terminal.
- Thermal protection to prevent overheating.
- Surface mount availability in a thermally enhanced PowerPAD™ package (DWP) and a thermally enhanced DIP package (NE).
- Low-frequency roll-off at 3 dB, 45 Hz, and high-frequency roll-off at 1 dB, 20 kHz.
Applications
The TPA1517DWP is suitable for various audio applications requiring high-quality stereo sound. These include:
- Portable audio devices such as boomboxes and portable speakers.
- Home audio systems, including stereo receivers and amplifiers.
- Automotive audio systems where space and thermal efficiency are critical.
- Professional audio equipment where reliability and performance are paramount.
Q & A
- What is the maximum output power of the TPA1517DWP? The TPA1517DWP can deliver up to 6 W per channel into a 4-Ω load at 10% THD+N or 5 W per channel at 1% THD+N.
- What is the gain of the TPA1517DWP? The gain is fixed at 20 dB.
- What are the operating modes of the TPA1517DWP? The amplifier has normal, mute, and standby modes controlled by the M/SB terminal.
- What is the supply voltage range for the TPA1517DWP? The supply voltage range is from 9.5 V to 18 V.
- What is the signal-to-noise ratio (SNR) of the TPA1517DWP? The SNR is 84 dB.
- Does the TPA1517DWP have thermal protection? Yes, it has thermal protection that turns the device off when the junction temperature surpasses 150°C.
- What are the package options for the TPA1517DWP? It is available in a 20-pin thermally enhanced PowerPAD™ surface-mount package (DWP) and a 20-pin thermally enhanced DIP package (NE).
- What is the input impedance of the TPA1517DWP? The input impedance is 60 kΩ.
- How does the M/SB terminal control the operating modes? The M/SB terminal controls the modes: below 2 V for standby, between 3.5 V and 8.2 V for mute, and above 9.3 V for normal operation.
- What is the recommended operating temperature range for the TPA1517DWP? The operating temperature range is from -40°C to 85°C).
