Digital-to-Analog Converter


PT3344

The PT3344 is a stereo audio digital to analog converter (DAC), the chip includes interpolation filter, fourth-order multi-bit delta-sigma modulator, and analog output signal is filtering by on-chip switched-capacitor low-pass filter. The digital input interface compliant to industrial standard I2S format exclusively.

PT3344 support the audio sampling rates from 8KHz up to 200KHz, and internal timing circuit will automatic detects the clock ratio between the sample rate clock (LRCI) and system master clock (MCK) and auto-select the proper clock for system processing.

FEATURES


● Single +3.3V or +5V Power Supply

● Support Sample Rates : 8 ~ 192KHz

● Support 24-bit Audio Data Conversion

● Support I2S format exclusively

● 102 dB Dynamic Range

● -85 dB THD+N

● Multi-bit Delta-Sigma Modulator

● Auto-Detect MCK/LRCI clock Ratio

● Low Clock-Jitter Sensitivity

● On-chip Low-pass Filter for Line-Level Outputs

● Package Type - MSOP 10

APPLICATIONS


● Set top box

● Home theater

● TV or PC display audio decoding

● Projector

資源下載

Documentation

TitleFileVersionDate
DatasheetPT3344.pdfV1.02021/4/9

Tools

Application Note