AV5230 - audio dac

High quality PTE^TM audio DAC with SMAB^TM headset amplifier

The AV5230 is ST-Ericsson’s new generation of PTE^TMDAC+ Headset amplifier ICs that further extend audio playback time of mobile applications, even when playing high-quality audio. It embeds the innovative SMAB^TMheadset amplifier (Class-G technology from ST-Ericsson), scaling the IC power to the audio signal amplitude which is played. As with the previous PTE^TMdevices, the AV5230 provides an amazing 102 dB signal-to-noise ratio (SNR) for the whole audio path. It can be directly supplied from the battery, and use a true-ground type of amplifier.

Key Features

24-bit stereo DAC, 102 dB SNR (full audio path to amplifier output)
PTE™ function (Playback Time Extender)
SMAB^TM(Supply Modulated Audio Buffer). ST-Ericsson advanced
class-G headset amplifier technology.
2x17 mW over 32 or 16 Ω, true ground
14 mW power consumption in playback mode
Digital audio interface: I²S and SPI
Audio sample rate: 8 to 192 kHz
Input clock: 32 kHz (PTE mode) or 13 to 38.4 MHz
System clock generator: from 19.2 to 78 MHz
Pop noise canceller function
VFBGA-49: 4 x 4 x 1 mm, 0.5 mm pitch
Supply:
- Power supply: 2.3 to 4.8 V
- I/O supply: 1.62 to 3.6 V

Connection Diagram

AV5230 block diagram

Applications

Portable devices requiring longer audio playback time and high audio quality.

Supporting Documents

Type:	Description:	File Size:	Download:
Marketing Material	AV5230	693KB	download
Technical Article	POP indicator	167KB	download
Technical Article	Audio component impulse noise audibility indicator	493KB	download