WM8711L Wolfson Microelectronics Ltd., WM8711L Datasheet

WM8711L

Manufacturer Part Number

WM8711L

Description

Portable Digital Audio Solutions

Manufacturer

Wolfson Microelectronics Ltd.

Datasheet

1.WM8711L.pdf (2 pages)

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Download datasheet (129Kb)

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Wolfson’s new family of audio ICs for portable applications offers highly integrated, DSP

independent solutions that deliver CD quality sound at very low power consumption. The family

includes a full audio codec, WM8731, and two DACs, WM8711 and WM8721. All three devices

incorporate a powerful headphone amplifier whose output volume can be digitally controlled.

Each IC is available as a standard or low voltage part, operating at supply voltages down to

1.42V (digital) and 1.8V (analogue).

Using a unique USB clocking scheme, these ICs can generate 44.1kHz, 48kHz, 96kHz and other

commonly used sample rates directly from a 12 or 24MHz clock, eliminating the need for a PLL

in applications such as MP3 players. The WM8711 and WM8731 are pin-compatible and feature

an on-chip clock oscillator to supply the system clock.

Wolfson’s portable audio ICs have a very flexible audio interface which can interface to any

industry standard DSP or other digital audio chip, thereby providing designers with a higher

degree of flexibility.

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AUDIO DACs AND CODECS

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device

device type

digital supply voltage

analogue supply voltage

analogue line-in

microphone input

on-chip clock generator

package

WM8721

dac

1.42V – 3.6V

2.7V – 3.6V

20-pin SSOP

portable digital audio solutions

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WM8711 WM8721 WM8731

wolfson microelectronics :: leading world experts in the design of signal processing electronics_

FOR BATTERY-POWERED APPLICATIONS

WM8721L

dac (low voltage)

1.42V – 3.6V

1.8V – 3.6V

20-pin SSOP

WM8711

dac

1.42V – 3.6V

2.7V – 3.6V

yes

28-pin SSOP

WM8711L

dac (low voltage)

1.42V – 3.6V

1.8V – 3.6V

yes

28-pin SSOP

productbenefits

www.wolfsonmicro.com

WM8731

codec

1.42V – 3.6V

2.7V – 3.6V

yes

28-pin SSOP

long battery life

cd sound quality

powerful headphone

amplifier

highly integrated solution

dsp independent

WM8731L

codec (low voltage)

1.42V – 3.6V

1.8V – 3.6V

yes

28-pin SSOP

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