Product Summary

The ALC5621-GRT is a highly-integrated I2S/PCM interface audio codec with multiple input/output ports and is designed for mobile computing and communications. The ALC5621-GRT provides a Stereo Hi-Fi DAC for playback and Stereo ADC for recording via the I2S/PCM interface. The ALC5621-GRT AVDD operates at supply voltages from 2.3V to 3.6V. DVDD operates from 1.71 to 3.6V, and SPKVDD operates from 2.3 to 5V. To extend battery life, each section of the device can be powered down individually under software control. Leakage current in maximum power saving state is less than 10μA. The applications of the ALC5621-GRT include Tablet PC system/Ultra-Mobile PC (UMPC), Personal Digital Assistants (PDA) or PDA Phone, Multimedia Phone Applications, Portable Navigation Device (PND), Bluetooth Headphone.

Parametrics

ALC5621-GRT absolute maximum ratings: (1)Digital IO Buffer: -0.3V to 3.63V; (2)Digital Core: -0.3V to 3.63V; (3)Analog: -0.3V to 3.63V; (4)Speaker: -0.3V to 7V; (5)Operating Ambient Temperature Ta: -25 to +85℃; (6)Storage Temperature Ts: -55 to +125℃.

Features

ALC5621-GRT features: (1)Digital-to-Analog Converter with 92dB SNR and -85dB THD+N; (2)Analog-to-Digital Converter with 85dB SNR and -80dB THD+N; (3)Two analog stereo single-ended inputs, LINE-IN_L/R and AUXIN_L/R; (4)Stereo differential analog microphone inputs, with boost pre-amplifiers (+20/+30); (5)BTL (Bridge-Tied Load) Speaker output with on-chip 2.6W speaker driver (SPKVDD=5V, 4O load with THD+N=20dB); (6)Mono Speaker output supports Class-AB or Class-D optional; (7)Stereo headphone output with on-chip 45mW headphone driver (AVDD=3.3V, 16O load); (8)25mW SE or 75mW BTL single-ended differential MONO_OUT configurable to AUXOUT (AVDD=3.3V, 32O load); (9)Audio jack insert detection and microphone switch detection; (10)Power management and enhanced power saving; (11)Supports digital 5-band equalizer (EQ); (12)Supports digital spatial sound and pseudo stereo effect; (13)Supports pop noise suppression; (14)Internal PLL can receive wide range of clock input; (15)Digital power supplies from 1.71V to 3.6V; speaker amplifier power supplies from 2.3V to 5V; (16)Analog power and headphone power supplied from 2.3V to 3.6V; (17)Supports soft-mute function; (18)32-pin QFN package.

Diagrams

ALC5621-GRT block diagram