ALC5633 데이터 시트보기 (PDF) - Realtek Semiconductor

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ALC5633

I2C + I2S Stereo Audio Codec Mono Class-AB/D Amp

Realtek Semiconductor 

ALC5633Q

Datasheet

1. General Description

The ALC5633Q is a high performance I2S/PCM interface audio codec. The main functions have Stereo

Codec, Stereo Headphone Output, Stereo Differential Input, Stereo Line Input and Mono Class-AB/D

Speaker Amplifier.

For audio inputs, one stereo differential microphone inputs, one stereo single-ended line inputs and stereo

digital microphone inputs. For audio outputs, one stereo line outputs and mono differential speaker output

or stereo single-ended headphone outputs.

The powerful Auto-Level-Control (ALC) function is for playback and record. For playback, it will keep

the same output level when different input level. And prevent the output signal be clipped when speaker

power is dropping or huge input signal. For record, it can boost recorded data when small signal input or

limit recorded data when large signal input. For noise gate function of ALC, it can effective to reduce the

background noise when no speaking voice for voice recording. A flexible hardware 7-band equalizer with

configurable gain, bandwidth and center frequency that enriches the sound experience.

Low power consumption design on ALC5633Q is suitable for portable devices. Also the ALC5633Q is

available in a 5x5mm ‘Green’ QFN-32 package.

2. Features

n Digital-to-Analog Converter with 98dBA SNR and –90dB THD+N

n Analog-to-Digital Converter with 93dBA SNR and –90dB THD+N

n Mono BTL (Bridge-Tied Load) / Stereo SE (Single-Ended) Class-AB/D amplifier and with

650mW/Ch output power (SPKVDD=3.6V, THD = 1%, 8Ω load, Class-D Mode)

2W/Ch output power (SPKVDD=5.0V, THD = 1%, 4Ω load, Class-D Mode)

n Stereo differential analog microphone inputs with multi-step boost pre-amplifiers and low noise

microphone bias

n Audio jack insert detection and microphone switch detection

n Power management and enhanced power saving

n Support flexible digital 7 bands equalizer (EQ) and wind filter

n Support analog to analog path with EQ function

n Support digital spatial sound and pseudo stereo effect

n Zero detection and soft volume for pop noise suppression

n Inside PLL can receive wide range clock input

n Digital beep generator

n Support I2C control interface

n 24bit/8kHz ~ 192kHz I2S/PCM interface for stereo DAC

n 24bit/8kHz ~ 96kHz I2S/PCM interface for stereo ADC

n Support enhanced Auto Level Control (ALC) function for playback and record

n QFN-32 (5mm x 5mm) package

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