WM7220IMS/RV Wolfson Microelectronics, WM7220IMS/RV Datasheet
WM7220IMS/RV
Specifications of WM7220IMS/RV
Related parts for WM7220IMS/RV
WM7220IMS/RV Summary of contents
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... Mobile telephone handsets • Portable computers • Portable media players • Digital still cameras • Digital video cameras • Bluetooth headsets • Portable navigation devices http://www.wolfsonmicro.com/enews WM7220 Preliminary Technical Data, October 2010, Rev 2.0 Copyright ©2010 Wolfson Microelectronics plc ...
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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 ...
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... CLK 5 DAT 6 VDD ORDERING INFORMATION DEVICE DESCRIPTION Standard WM7220IMS/V Standard WM7220IMS/RV (tape and reel) Note: Reel quantity = 4,800 All devices are Pb-free and Halogen free. w TYPE Supply Ground Digital Input Channel Select 0 = Data output following rising CLK edge 1 = Data output following falling CLK edge ...
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WM7220 ABSOLUTE MAXIMUM RATINGS Absolute Maximum Ratings are stress ratings only. Permanent damage to the device may be caused by continuously operating at or beyond these limits. Device functional operating limits and guaranteed performance specifications are given under Electrical Characteristics ...
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Preliminary Technical Data ACOUSTIC AND ELECTRICAL CHARACTERISTICS Test Conditions: VDD=1.8V, 1kHz test signal, CLK=2.4MHz, T PARAMETER SYMBOL Directivity Sensitivity Acoustic Overload Signal to Noise Ratio Total Harmonic Distortion Frequency Response Acoustic Noise Floor Electrical Noise Floor Power Supply Rejection Digital ...
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WM7220 AUDIO INTERFACE TIMING (LRSEL = 0) (LRSEL = 1) Figure 1 Digital Microphone Interface Timing Test Conditions The following timing information is valid across the full range of recommended operating conditions. PARAMETER Digital Microphone Interface Timing CLK cycle time ...
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Preliminary Technical Data FREQUENCY RESPONSE CURVE Typical Frequency Response Curve relative to Sensitivity at 1kHz 100 w 1000 Freq uency (Hz) WM7220 10000 PTD, Rev 2.0, October 2010 7 ...
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WM7220 APPLICATIONS INFORMATION RECOMMENDED EXTERNAL COMPONENTS It is recommended to connect a 0.1μF decoupling capacitor between the VDD and GND pins of the WM7220. A ceramic 0.1μF capacitor with X7R dielectric or better is suitable. The capacitor should be placed ...
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Preliminary Technical Data RECOMMENDED PCB LAND PATTERNS Figure 3 Recommended Customer PCB Land Pattern (Note that all other dimensions can be obtained from the package dimensions) w WM7220 PTD, Rev 2.0, October 2010 9 ...
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WM7220 PACKAGE DIMENSIONS MS6: PACKAGE 4.72 x 3.76 x 1.22 mm BODY 0.1 C PIN 1 CORNER TOP VIEW 0. -C- A SIDE VIEW Dimensions (mm) Symbols MIN NOM A 1.15 1.22 4.62 D ...
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... Preliminary Technical Data IMPORTANT NOTICE Wolfson Microelectronics plc (“Wolfson”) products and services are sold subject to Wolfson’s terms and conditions of sale, delivery and payment supplied at the time of order acknowledgement. Wolfson warrants performance of its products to the specifications in effect at the date of shipment. Wolfson reserves the right to make changes to its products and specifications or to discontinue any product or service without notice ...