Pre-Production

WM7211

w

PP, Rev 3.1, January 2014

13

REVISION HISTORY

DATE

REV

ORIGINATOR

CHANGES

31/01/11

2.0

PF

First Release

18/02/11

2.0

JMacD

Confidential added to headers and footers

26/04/11

2.1

KC

Updated the PSRR, sleep mode, start up time from off

Updated frequency response curve and the +3dB point to 17000hz

Updated the THD %

Updated all the LRSEL description , and figure 1

Added the notes on

Updated reel quantity

27/04/11

2.1

JMacD

Current consumption / Active Mode changed to 650 μA

02/05/11

2.2

JMacD

Package Drawing updated.

20/12/11

2.3

KC

Introduced E variant with sensitivity +/-1dB

Added E variant ordering info

Added voltage range digital input

Updated the CODEC to WM8994

Added Reference to WAN_0273

19/01/12

2.3

JMacD

Package Diagram updated to DM096C – formatting updates.

23/08/12

2.4

JMacD

Package Diagram updated to DM096D

16/05/13

2.5

JMacD

Package Diagram updated to DM096E

08/11/13

3.1

JMacD

Product Status updated to Pre Production

Updated CODEC reference to WM8280.

18/12/13

3.1

MR

Acoustic and Electrical Characteristics updated: Polarity and Note added.