The PCM1774RGPT is a low-power stereo Digital-to-analog Converter (DAC) with Headphone amplifier. It is designed for portable digital audio applications. The device integrates headphone amplifier, line amplifier, line input, boost amplifier, programmable gain control, analog mixing and sound effects The PCM1774 supports right-justified, left-justified, I2S and DSP formats, providing easy interfacing to audio DSP and decoder/encoder chips. Sampling rates up to 50kHz are supported. The user-programmable functions are accessible through a two- or 2-wire serial control port.
- Analog front end - stereo single-ended input
- Analog back end - stereo/mono line output with volume
- Stereo/mono headphone amplifier with volume
- Low power dissipation
- Operation from a single clock input without PLL
- Programmable function by register control
- Pop-noise reduction circuit
- Short protection circuit
- Green product and no Sb/Br
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