WM7210

Preliminary Technical Data

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PTD, Rev 2.2, January 2012

12

REVISION HISTORY

DATE

REV

ORIGINATOR

CHANGES

25/09/09

1.0

5/3/10

1.1

25/10/10

2.0

27/1/11

2.1

PH

‘Top Port’ added to device title

ENL abbreviation deleted from Electrical Characteristics

Acoustic and Electrical Characteristics terminology updated

Decoupling capacitor requirement described in ‘Connection to a Wolfson Audio

CODEC’ section

21/2/11

2.1

KC

Updated the LRSEL pin description , Timing diagram and notes for the rising and

falling clock edges.

Updated the reel quantity.

Updated the start up time.

Updated the input capacitance

Updated the sleep mode current 2uA as typical value

Added new frequency response curve

Updated the acoustic Characteristics(+3dB frequency response, acoustic noise

floor, PSR to –ve value)

Updated the frequency response and THD curves.

06/09/11

2.1

JMacD

Package Diagram updated to DM074C with additional tolerance and chamfer

detail.

20/12/11

2.2

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