AK4343

[AK4343] AK4343 Stereo DAC with HP/RCV/SPK-AMP GENERAL DESCRIPTION The AK4343 is a stereo DAC with a built-in Headphone-Amplifier, Rece iver-Amplifier and 1.2W output Speaker-Amplifier. The AK 4343 features analog mixing ci rcuits and PLL that allows easy interfacing in mobile phone and portable A/V player designs. The AK4343 is availabl e in a 32pin QFN, utilizing less board space than competitive offerings. FEATURES 1. Playback Function Digital De-emphasis Filter (tc=50/15μs, fs=32kHz, 44.1kHz, 48kHz) Bass Boost Soft Mute Digital Volume (+12dB ∼ −115.0dB, 0.5dB Step, Mute) Digital ALC (Automatic Level Control) (+36dB ∼ −54dB, 0.375dB Step, Mute) Stereo Separation Emphasis Programmable EQ Stereo Line Output - Performance: S/(N+D): 88dB, S/N: 92dB Mono Receiver-Amp - BTL Output - Output Power: 30mW@32Ω (AVDD=3.3V) Stereo Headphone-Amp - S/(N+D): [email protected], S/N: 90dB - Output Power: 70mW@16Ω (HVDD=5V), 62mW@16Ω (HVDD=3.3V) - Pop Noise Free at Power ON/OFF Mono Speaker-Amp - S/(N+D): 50dB@240mW, S/N: 90dB - BTL Output - Availbable for both Dynamic and Piezo Speaker - Output Power: 1.2W@8Ω (HVDD=5V), 400mW@8Ω (HVDD=3.3V) 3.0Vrms@50Ω (HVDD=5V) Analog Mixing: - 3 Stereo Input - Gain Amplifier (+32dB/+26dB/+20dB or 0dB) 2. Power Management 3. Master Clock: (1) PLL Mode Frequencies: 11.2896MHz, 12MHz, 12.288MHz, 13.5MHz, 24MHz, 27MHz (MCKI pin) 1fs (LRCK pin) 32fs or 64fs (BICK pin) (2) External Clock Mode Frequencies: 256fs, 512fs or 1024fs (MCKI pin) ...