PCM1774 Overview
Key Specifications
Package: VQFN
Mount Type: Surface Mount
Pins: 20
Operating Voltage: 3.3 V
Description
The PCM1774 is a low-power stereo DAC 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.
Key Features
- Analog Front End: – Stereo Single-Ended Input – Microphone Amplifier (12 dB, 20 dB)
- Analog Back End: – Stereo/Mono Line Output With Volume – Stereo/Mono Headphone Amplifier With Volume
- Analog Performance: – Dynamic Range: 93 dB – 40-mW + 40-mW Headphone Output at RL = 16 Ω
- Low Power Dissipation: – 6.4 mW in Playback, 1.8 V/2.4 V, 44.1 kHz – 3.3 μW in Power Down
- Sampling Frequency: 5 kHz to 50 kHz
- Operation From a Single Clock Input Without PLL
- 2 (I2C™) or 3 (SPI) Wire Serial Control
- Pop-Noise Reduction Circuit
- Short Protection Circuit
- Package: 4-mm × 4-mm QFN Package
