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WM9713 数据表(PDF) 7 Page - Wolfson Microelectronics plc |
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WM9713 数据表(HTML) 7 Page - Wolfson Microelectronics plc |
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7 / 111 page  Preliminary Technical Data WM9713L 1 PTD, March 2004, Rev 2.2 7 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. It is therefore generically susceptible to damage from excessive static voltages. Proper ESD precautions must be taken during handling and storage of this device. Wolfson tests its package types according to IPC/JEDEC J-STD-020B for Moisture Sensitivity to determine acceptable storage conditions prior to surface mount assembly. These levels are: MSL1 = unlimited floor life at <30 °C / 85% Relative Humidity. Not normally stored in moisture barrier bag. MSL2 = out of bag storage for 1 year at <30 °C / 60% Relative Humidity. Supplied in moisture barrier bag. MSL3 = out of bag storage for 168 hours at <30 °C / 60% Relative Humidity. Supplied in moisture barrier bag. The Moisture Sensitivity Level for each package type is specified in Ordering Information. CONDITION MIN MAX Digital supply voltages (DCVDD, DBVDD) -0.3V +3.63V Analogue supply voltages (AVDD, HPVDD, TPVDD) -0.3V +3.63V Speaker supply voltage (SPKVDD) -0.3V +4.2V Touchpanel supply voltage (TPVDD) AVDD +0.3V Voltage range digital inputs DGND -0.3V DBVDD +0.3V Voltage range analogue inputs AGND -0.3V AVDD +0.3V Voltage range touchpanel Inputs X+, X-, Y+ and Y- TPVDD +0.3V Voltage range touchpanel Inputs X+, X-, Y+ and Y- AVDD +0.3V Operating temperature range, TA -25 oC +85 oC Storage temperature (TQFP package only) -65 oC +150 oC RECOMMENDED OPERATING CONDITIONS PARAMETER SYMBOL TEST CONDITIONS MIN TYP MAX UNIT Digital input/output buffer supply range DBVDD 1.62 (target) 3.3 3.6 V Digital core supply range DCVDD 1.62 (target) 1.8 3.6 V Analogue supply range AVDD, HPVDD, TPVDD 1.8 3.3 3.6 V Speaker supply range SPKVDD 1.8 3.3 4.2 V Digital ground DGND1, DGND2 0 V Analogue ground AGND, HPGND, SPKGND, TPGND 0 V Difference AGND to DGND Note 1 -0.3 0 +0.3 V Note: 1. AGND is normally the same as DGND1/DGND2 2. DCVDD <= DBVDD and DCVDD <= AVDD |
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