Overview
The SGTL5000XNAA3R2518, produced by NXP USA Inc., is a low-power stereo codec designed to provide a comprehensive audio solution for portable products. This codec is engineered to support various audio inputs and outputs, including LINEIN, MIC_IN, LINEOUT, and headphone-out, along with digital I/O capabilities. It is known for its ultra-low power consumption and high performance, making it an ideal choice for devices requiring compact and efficient audio solutions.
Key Specifications
| Parameter | Value | Unit | |
|---|---|---|---|
| Analog Supply Voltage (VDDA) | 1.62 to 3.6 | V | |
| Digital Supply Voltage (VDDIO) | 1.62 to 3.6 | V | |
| LINEIN Input Level (3.3 V VDDA) | - | 2.83 | VPP |
| MIC Input Level (3.3 V VDDA) | - | 2.83 | VPP |
| Headphone Output Power | 62.5 mW | - | 1.02 kHz sine into 16 Ω load at 3.3 V |
| Headphone Output SNR | 100 dB | - | -60 dB input, 16 Ω load |
| LINEOUT Output SNR | 100 dB | - | -60 dB input, VDDIO = 3.3 V |
| ADC SNR | 85 dB | - | -60 dB input, VDDA = 1.8 V |
| Temperature Range | -40 to 85 | °C | |
| Package Type | 32 Punch QFN | - | - |
Key Features
- Capless Headphone Design: Reduces overall system cost and complexity.
- Internal PLL: Allows input of an 8.0 MHz to 27 MHz system clock, deriving standard audio clocks from the PLL.
- Analog Inputs: Supports stereo LINEIN, MIC_IN with programmable MIC gain, and codec bypass for low power.
- Analog Outputs: Includes headphone output with up to 62.5 mW power and LINEOUT with high SNR and THD+N performance.
- Digital I/O: Features an I2S port for routing to the application processor.
- Digital Audio Processing: Includes NXP surround, bass enhancement, tone control, parametric equalizer, and graphic equalizer.
Applications
- Media Players: Ideal for portable media players requiring high-quality audio.
- Navigation Devices: Suitable for GPS and other navigation devices needing efficient audio solutions.
- Smartphones and Tablets: Used in mobile devices to enhance audio performance.
- Medical Equipment: Can be integrated into medical devices requiring reliable and low-power audio capabilities.
- Consumer Audio Equipment: Applicable in various consumer audio devices such as speakers and headphones.
Q & A
- What is the SGTL5000XNAA3R2518 used for?
The SGTL5000XNAA3R2518 is a low-power stereo codec used to provide a comprehensive audio solution for portable products.
- What are the key features of the SGTL5000XNAA3R2518?
Key features include capless headphone design, internal PLL, analog inputs (LINEIN, MIC_IN), analog outputs (LINEOUT, headphone-out), and digital I/O.
- What is the operating voltage range of the SGTL5000XNAA3R2518?
The operating voltage range is from 1.62 to 3.6 volts for both analog and digital supplies.
- What is the maximum power output of the headphone amplifier?
The maximum power output of the headphone amplifier is 62.5 mW into a 16 Ω load at 3.3 V.
- What types of digital audio processing are supported by the SGTL5000XNAA3R2518?
The codec supports NXP surround, bass enhancement, tone control, parametric equalizer, and graphic equalizer.
- What is the temperature range for the SGTL5000XNAA3R2518?
The temperature range is from -40 to 85 °C.
- What package type is the SGTL5000XNAA3R2518 available in?
The SGTL5000XNAA3R2518 is available in a 32 Punch QFN package.
- What are some common applications for the SGTL5000XNAA3R2518?
Common applications include media players, navigation devices, smartphones, tablets, medical equipment, and consumer audio equipment.
- Does the SGTL5000XNAA3R2518 support I2C and SPI interfaces?
Yes, the SGTL5000XNAA3R2518 supports both I2C and SPI interfaces, selectable via the CTRL_MODE pin.
- What is the significance of the internal PLL in the SGTL5000XNAA3R2518?
The internal PLL allows the input of an 8.0 MHz to 27 MHz system clock and derives standard audio clocks from it, simplifying system design.
