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WM8971L Datasheet (PDF) - Wolfson Microelectronics plc

WM8971L Datasheet PDF - Wolfson Microelectronics plc
Part # WM8971L
Download  WM8971L Download

File Size   622.6 Kbytes
Page   56 Pages
Manufacturer  WOLFSON [Wolfson Microelectronics plc]
Direct Link  http://www.wolfsonmicro.com
Logo WOLFSON - Wolfson Microelectronics plc
Description STEREO CODEC FOR PORTABLE AUDIO APPLLICATIONS

WM8971L Datasheet (PDF)

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WM8971L Datasheet PDF - Wolfson Microelectronics plc

Part # WM8971L
Download  WM8971L Click to download

File Size   622.6 Kbytes
Page   56 Pages
Manufacturer  WOLFSON [Wolfson Microelectronics plc]
Direct Link  http://www.wolfsonmicro.com
Logo WOLFSON - Wolfson Microelectronics plc
Description STEREO CODEC FOR PORTABLE AUDIO APPLLICATIONS

WM8971L Datasheet (HTML) - Wolfson Microelectronics plc

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WM8971L Product details

DESCRIPTION
The WM8971L 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, and automatic level control for the microphone or line input.

FEATURES
• DAC SNR 98dB (‘A’ weighted), THD –84dB at 48kHz, 3.3V
• ADC SNR 95dB (‘A’ weighted), THD -82dB 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 16Ω load
    - 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 and 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
• Digital Still Cameras
• MP3 Player / Recorders
• Minidisc Player / Recorders
• Portable Digital Music Systems




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