WM8521 datasheet(1/21 Pages) CIRRUS

Teilenummer	WM8521

Bauteilbeschribung	Stereo DAC with Integrated Output Stage for 2Vrms LINE OUT

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Hersteller	CIRRUS [Cirrus Logic]

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WM8521

Stereo DAC with Integrated Output Stage

for 2Vrms LINE OUT

WOLFSON MICROELECTRONICS plc

Production Data, February 2013, Rev 4.2

Copyright

2013 Wolfson Microelectronics plc

DESCRIPTION

The WM8521 is a 192kHz stereo DAC with an integrated output

op-amp stage, designed to generate a 2.0Vrms output signal

directly, so reducing external component requirements in digital

audio applications.

WM8521 comes into two variants WM8521HC and WM8521H9

which offers different line drive output capabilities. WM8521HC

outputs 2Vrms at 12V supply, while WM8521H9 outputs

2.0Vrms at 9V supply. WM8521HC/H9 are designed for cost

sensitive consumer digital audio applications requiring 2Vrms

line output.

A 24-bit multi-bit sigma delta DAC is used with oversampling

digital interpolation filters. Digital audio input word lengths from

16-32 bits and sampling rates from 8kHz to 192kHz are

supported.

The audio interface supports I

2S, Right Justified and DSP digital

audio formats.

The devices are controlled via a hardware interface which

provides access to features including de-emphasis, mute and

data formats.

These devices are pin equivalent and are

available in a 14-lead SOIC package.

FEATURES



Audio Performance

-

DAC SNR 98dB (‘A’ weighted @ 48kHz)

-

THD -81dB (‘A’ weighted @ 48kHz)



DAC Sampling Frequency: 8kHz – 192kHz



Pin Selectable Audio Data Interface Format

- I

2S, 16-bit Right Justified or 16bit DSP



2.0 Vrms output at 12V or 9V supply



7.6V to 13.2V Analogue, 2.7V to 3.6 Digital Supply



14-lead SOIC Package

APPLICATIONS



Consumer digital audio applications requiring 2 Vrms output

- DVD Players

- Digital TV

- Digital Set Top Boxes

- A/V Receivers

BLOCK DIAGRAM

Ähnliche Beschreibung - WM8521

Hersteller	Teilenummer	Datenblatt	Bauteilbeschribung
Wolfson Microelectronic...	WM8521	304Kb / 20P	STEREO DAC WITH INTEGRATED OUTPUT STAGE FOR 2VRMS LINE OUT
Asahi Kasei Microsystem...	AK4340	253Kb / 21P	192kHz 24-Bit Stereo DAC with 2Vrms Output
Wolfson Microelectronic...	WM8521	267Kb / 20P	Stereo DAC with Integrated Output Stage for 2Vrms LINE OUT
	WM8533	742Kb / 41P	24-bit 192kHz Stereo DAC with 2Vrms Ground Referenced Line Output
	WM8523	618Kb / 51P	24-bit 192kHz Stereo DAC with 2Vrms Ground Referenced Line Output
	WM8524	290Kb / 25P	24-bit 192kHz Stereo DAC with 2Vrms Ground Referenced Line Output
List of Unclassifed Man...	AK4420	345Kb / 20P	192kHz 24-Bit Stereo DAC with 2Vrms Output
Wolfson Microelectronic...	WM1824	330Kb / 24P	24-bit 192kHz Stereo DAC with 2Vrms Ground Referenced Line Output
Cirrus Logic	WM8533	742Kb / 41P	24-bit 192kHz Stereo DAC with 2Vrms Ground Referenced Line Output
Nuvoton Technology Corp...	NAU8402	830Kb / 22P	Stereo 24-bit DAC with 2Vrms Line Out

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