wm2002 Wolfson Microelectronics plc, wm2002 Datasheet
wm2002
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wm2002 Summary of contents
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... Stereo Headphone Driver with Wolfson myZone DESCRIPTION The WM2002 is a low power, high quality stereo headphone driver, delivering Wolfson’s patented myZone cancellation in a single-ended or BTL (bridge-tied-load) output configuration. The WM2002 supports analogue playback or voice input, and analogue or digital microphone inputs for noise- monitoring microphones ...
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... WM2002 BLOCK DIAGRAM w Product Preview Product Brief, August 2010, Rev 1.1 2 ...
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... DEVICE RANGE o WM2002GEFL/V - +85 o WM2002GEFL/RV - +85 Note: Reel quantity = 2,200 w PACKAGE 48-pin QFN o C (Pb-free) 48-pin QFN o C (Pb-free, tape and reel) WM2002 MOISTURE PEAK SOLDERING TEMPERATURE SENSITIVITY LEVEL o MSL3 260 C o MSL3 260 C Product Brief, August 2010, Rev 1.1 3 ...
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... WM2002 PIN DESCRIPTION PIN NAME TYPE LED/ Analogue Output / 1 Digital Input DMICDAT5 SCAN Digital Input 2 3 MON Digital Input ADDR Digital Input 4 SDA Digital Input/Output 5 6 SCLK Digital Input 7 LDO1VDD Supply 8 LDO1VOUT Analogue Output / Supply 9 MICVDD Supply 10 MICBIAS Analogue Output 11 LDO3VOUT ...
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... DMICDAT4 Digital Input w DESCRIPTION Current reference resistor connection Digital buffer supply, including digital microphone interface Digital microphone interface clock Digital microphone data pin 1 Digital microphone data pin 2 Digital microphone data pin 3 Digital microphone data pin 4 WM2002 Product Brief, August 2010, Rev 1.1 5 ...
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... WM2002 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 at the test conditions specified. ESD Sensitive Device. This device is manufactured on a CMOS process therefore generically susceptible to damage from excessive static voltages ...
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... X Line PGA -6dB to +6dB in 1dB steps OTP Memory Control Control Interface Sequencer TM (ANC) engine within the WM2002 improves the intelligibility of a voice call by WM2002 DC-DC Boost LDO Regulators BATTVDD Converter Bandgap CPVOUT reference CPGND Charge Pump Stereo Headphone CFB1 CFB2 HPOUTLP ...
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... WM2002 RECOMMENDED EXTERNAL COMPONENTS Figure 2 External Components Diagram w Product Preview Product Brief, August 2010, Rev 1.1 8 ...
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... In this example, the DC1 boost converter and the Charge Pump are not used. In other cases where the DC1 boost converter and Charge Pump circuits are used (for example, when the WM2002 is powered from a single AAA battery), some additional external components are required, as shown in Figure 3. ...
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... WM2002 PACKAGE DIMENSIONS FL: 48 PIN QFN PLASTIC PACKAGE EXPOSED GND PADDLE Symbols Dimensions (mm) MIN NOM A 0.75 0 0.035 0. 0.203 REF A3 b 0.20 0.25 D 7.00 BSC D2 5.55 5.65 E 7.00 BSC E2 5.55 5.65 e 0.5 BSC L 0.35 0.4 Tolerances of Form and Position aaa 0.10 0.08 bbb 0.10 ccc REF JEDEC, MO-220 NOTES: 1. DIMENSION b APPLIED TO METALLIZED TERMINAL AND IS MEASURED BETWEEN 0.15 mm AND 0.30 mm FROM TERMINAL TIP. ...
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... Wolfson is not liable for any such representations, warranties or liabilities or for any reliance placed thereon by any person. ADDRESS Wolfson Microelectronics plc Westfield House 26 Westfield Road Edinburgh EH11 2QB Tel :: +44 (0)131 272 7000 Fax :: +44 (0)131 272 7001 Email :: sales@wolfsonmicro.com w WM2002 Product Brief, August 2010, Rev 1.1 11 ...