alc887

QFP-48 in tray, 7.1 Channel, High Definition, Audio Codec , independent SPDIF outputs, 3.6 V

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Price:: US $1.22~1.50 / piece [Get Latest Price]

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	US $1.22~1.50

PartNumber:: alc887

Brand:: Realtek Semiconductor - Realtek | Pack: QFP | D/C: 09+

Availability:: Supply Ability: 10000/Week Can Ship Immediately
Delivery: 10-15 Business Days (ships out within 3 Business days)

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Products Upload time: 2011-12-29

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Part Number:alc887
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Product Summary

The alc887 is a 7.1 Channel High Definition Audio Codec with two independent SPDIF outputs. Featuring eight channels of DAC support 7.1 sound playback, and integrates two stereo ADC that can support a stereo microphone, and feature Acoustic Echo Cancellation (AEC), Beam Forming (BF), and Noise Suppression (NS) for voice applications.

Parametrics

alc887 absolute maximum ratings: (1)Power Supply,Digital Power for Core: 3.0 min, 3.3 typ, 3.6 max V; (2)Digital Power for HDA Link: 1.5 min, 3.3 typ, 3.6 max V ; (3)Analog: 4.5 min, 5.0 typ, 5.5 max V; (4)Ambient Operating Temperature: 0 to +70 ℃; (5)Storage Temperature: +125℃.

Features

alc887 features: (1)Meets premium audio requirements for Microsoft WLP 3.10; (2)Meets stricter performance requirements for future WLP; (3)High-performance DACs with 97dB Signal-to-Noise Ratio (SNR), ADCs with 90dB SNR ; (4)Four stereo DACs (8 channels) support 16/20/24-bit PCM format for 7.1 sound playback; (5)Two stereo ADCs (4 channels) support 16/20/24-bit PCM format recording simultaneously; (6)All DACs supports 16/20/24-bit, 44.1k/48k/96k/192kHz sample rate ; (7)All ADCs supports 16/20/24-btt, 44.1k/48k/96k/192kHz sample rate ; (8)Software selectable 2.5V/3.75V VREFOUT to be analog microphone bias; (9)Two jack detection pins each designed to detect up to 4 jacks ; (10)Supports legacy analog mixer architecture; (11)Wide range (–80dB ~ +42dB) volume control with 1.5dB resolution of analog to analog mixer; (12)Software selectable boost gain (+10/+20/+30dB) for analog microphone input; (13)All analog jacks are stereo input and output re-tasking for analog plug & play; (14)Built-in headphone amplifiers for each re-tasking jack; (15)Two GPIOs for customized applications; (16)Supports Anti-pop mode when analog power AVDD is on and digital power is off; (17)Supports stereo digital microphone interface to improve voice quality.