WM8971L datasheet(61/61 Pages) WOLFSON

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Production Data

WM8971L

PD Rev 4.1 August 2005

Revision History

DATE

RELEASE

DESCRIPTION OF CHANGES

PAGES

14/08/03

2.0

Initial Release

30/03/04

3.0

Pin Configuration – Pins 11, 24 and 26 renamed

Ordering Information – Peak Soldering Temp added and order codes changed

Pin Description – Pin Descriptions for 11, 24 and 26 changed

Speaker Output Power updated

12/05/04

4.0

Updated to Production Data

Block Diagram ROUT2 updated to show inverting buffer, buffer added to LD2MO

and RD2MO

Pin Diagram rotated

Pin Description, Ground padded note added

Recommended Operating Conditions, DBVDD to 1.7

Electrical Characteristics updated, Speaker Output

Speaker THD and Noise Versus Power added

Fig 3, Bit Clock Mode added

Control Interface Timing 3-wire mode test conditions table updated

Power on Reset added

Speaker Output THD Versus Power removed

PGA Control text updated

Automatic Level Control text updated

Note added to Noise Gate Control table

Output Mixers, mono mixer para added

Timing Diagrams, Figs, 17,18 and 19 updated LRP = 1 changed to LRP = 0

DSP diagrams updated, Figs 20, 21

Bit Clock added

Clock Output table and text updated

Updates to Table 38 Power Management

Group Delay added

Recommended External Component diagram updated to show component

values, ground paddle added

External component values table deleted

Ref updated in Package Drawing

16/08/05

4.2

Ordering information – leaded parts removed

Pin description - Changed pin 19 description

Electrical Characteristics – ADC THD max values removed

Updated Operation Mode table (Stereo Headphone playback, AINL/UR changed

from 1 to 0)

Package Drawing updated to DM030.E to include ground paddle info

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