WM7220IMS/RV Wolfson Microelectronics, WM7220IMS/RV Datasheet - Page 2

• Manufacturer Part Number: WM7220IMS/RV
• Description: MICROPHONE, MEMS, DIGITAL, STD
• Manufacturer: Wolfson Microelectronics

Specifications of WM7220IMS/RV

• Brief Features: High SNR Of 58dB, Support Stereo / Array Operation And Automated Flow Solder Assembly
• Operating Temperature Range: -40°C To +100°C
• No. Of Pins: 6
• Rohs Compliant: Yes
• Ic Function: Digital Silicon Microphone
• Supply Voltage Range: 1.64V To 3.7V

WM7220
DESCRIPTION ....................................................................................................... 1
FEATURES............................................................................................................. 1
APPLICATIONS ..................................................................................................... 1
BLOCK DIAGRAM ................................................................................................. 1
TABLE OF CONTENTS ......................................................................................... 2
PIN CONFIGURATION ........................................................................................... 3
PIN DESCRIPTION ................................................................................................ 3
ORDERING INFORMATION .................................................................................. 3
ABSOLUTE MAXIMUM RATINGS ......................................................................... 4
IMPORTANT ASSEMBLY GUIDELINES ............................................................... 4
RECOMMENDED OPERATING CONDITIONS ..................................................... 4
ACOUSTIC AND ELECTRICAL CHARACTERISTICS .......................................... 5
FREQUENCY RESPONSE CURVE ....................................................................... 7
APPLICATIONS INFORMATION ........................................................................... 8
PACKAGE DIMENSIONS .................................................................................... 10
IMPORTANT NOTICE .......................................................................................... 11
ADDRESS: ........................................................................................................... 11
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TERMINOLOGY ............................................................................................................. 5
AUDIO INTERFACE TIMING ......................................................................................... 6
RECOMMENDED EXTERNAL COMPONENTS ............................................................. 8
CONNECTION TO A WOLFSON AUDIO CODEC ......................................................... 8
RECOMMENDED PCB LAND PATTERNS .................................................................... 9
TABLE OF CONTENTS
PTD, Rev 2.0, October 2010
Preliminary Technical Data
2