The SGM4918BYD10G/TR is a high-performance, low-power stereo audio codec designed by SG Micro Corp for portable audio applications. It integrates a stereo DAC and ADC, microphone preamplifier, and headphone amplifier into a single chip, providing a complete audio solution for various devices.
Applications
- Portable media players
- Mobile phones
- Tablets
- Gaming consoles
- Voice recorders
Features
- High-performance stereo audio codec
- Integrated stereo DAC and ADC
- Low power consumption
- Microphone preamplifier with adjustable gain
- Headphone amplifier with output power control
- I2C control interface
- Supports multiple sampling rates
- Small package size
Benefits
- Provides high-quality audio playback and recording
- Extends battery life in portable devices due to low power consumption
- Simplifies audio system design by integrating multiple functions into a single chip
- Offers flexibility in microphone and headphone selection
- Easy to control and configure via I2C interface
- Supports a wide range of audio formats
- Suitable for space-constrained applications due to its compact size
Additional Details
The SGM4918BYD10G/TR operates from a single 2.5V to 3.6V power supply. It features a signal-to-noise ratio (SNR) of up to 98dB for DAC and 92dB for ADC. The integrated headphone amplifier can deliver up to 25mW into a 32Ω load. The device is available in a space-saving DFN-10 package. The microphone preamplifier gain is adjustable, allowing optimization for different microphone sensitivities. It is designed to minimize THD+N (Total Harmonic Distortion + Noise) to provide clear and accurate audio reproduction. The TR suffix indicates that the part is tape and reel, suitable for automated assembly processes.