PCM1774
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
- Power Supply Voltage - 1.71 V to 3.6 V for Digital I/O Section - 1.71 V to 3.6 V for Digital Core Section - 2.4 V to 3.6 V for Analog Section - 2.4 V to 3.6 V for Power Amplifier Section
- 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
- System Clock: - Common-Audio Clock (256 fS/384 fS), 12/24,
