描述：
DESCRIPTION The WM8750L is a low power, high quality stereo codec designed for portable digital audio applications. The device integrates complete interfaces to stereo or mono microphones and a stereo headphone. External component requirements are drastically reduced as no separate microphone or headphone amplifiers are required. Advanced on-chip digital signal processing performs graphic equaliser, 3-D sound enhancement and automatic level control for the microphone or line input. FEATURES • DAC SNR 98dB (‘A’ weighted), THD -95B at 48kHz, 3.3V • ADC SNR 95dB (‘A’ weighted), THD -90dB at 48kHz, 3.3V • Complete Stereo / Mono Microphone Interface - Programmable ALC / Noise Gate • On-chip 400mW BTL Speaker Driver (mono) • On-chip Headphone Driver - >40mW output power on 16Ω/ 3.3V - THD –80dB at 20mW, SNR 90dB with 16Ωload - No DC blocking capacitors required (capless mode) • Separately mixed mono output • Digital Graphic Equaliser • Low Power - 7mW stereo playback (1.8V / 1.5V supplies) - 14mW record & playback (1.8V / 1.5V supplies) • Low Supply Voltages - Analogue 1.8V to 3.6V - Digital core: 1.42V to 3.6V - Digital I/O: 1.8V to 3.6V • 256fs / 384fs or USB master clock rates: 12MHz, 24MHz • Audio sample rates: 8, 11.025, 16, 22.05, 24, 32, 44.1, 48,88.2, 96kHz generated internally from master clock • 5x5x0.9mm QFN package APPLICATIONS • MP3 Player / Recorder • AAC/WMA/Multi-Format Player / Recorder • Minidisc Player / Recorder • Portable Digital Music Systems
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