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AS3517 Datasheet(PDF) 13 Page - ams AG |
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AS3517 Datasheet(HTML) 13 Page - ams AG |
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13 / 94 page  AS3517 V17 Data Sheet, Confidential © 2003-2007, austriamicrosystems AG, 8141 Unterpremstaetten, Austria-Europe. All Rights Reserved. www.austriamicrosystems.com 8.1 Operating Conditions 8.1.1 Supply Voltages Table 5 Operating conditions for supply voltages Symbol Parameter Min Max Unit Note BVDDx Battery Supply Voltage BVDD, BVDDH, BVDDC1, BVDDC2, BVDDC3, BVDDR 3.0 5.5 V VBUS USB VBUS Voltage 4.0 5.5 V CHG_IN Charger Supply Voltage 4.5 5.5 V DVDD Digital Supply Voltage 2.8 3.6 V Digital Audio Supply Voltage (LDO2) AVDD Analogue Supply Voltage 2.8 3.6 V Analog Audio Supply Voltage (LDO1) AGND Analogue Ground Voltage AVDD/2 VDELTA- Difference of Negative Supplies CVSS1, CVSS2, CVSS3, CVSS15, VSSH, AVSS, DVSS -0.1 0.1 V To achieve good performance, the negative supply terminals should be connected to low impedance ground plane. VDELTA+ Difference of Positive Supplies -0.25 0.25 V AVDD-DVDD Table 6 Electrical Specification of other function blocks Symbol Parameter Min Typ Max Unit Note VPOR_ON Power-on Reset Activation Level 2.15 V Power-on Reset activation level when DVDD decreases VPOR_OFF Power-on Reset Release Level 2.0 V Power-on Reset release when DVDD increases VPOR_HY Power-on Hysterisis 100 mV fLRCLK_WD LRCLK Frequency Watchdog 2 4.1 8 kHz tON_DELAY Delay Time of pin PWRUP 10 ms Minimum key press time VDO_L Digital Output Driver Capability (drive LOW) 0.3 V Pins XRES, XIRQ, PWGD @ 8mA, SDO VDO_H Digital Output Driver Capability (drive HIGH) 2.6 V Pins XRES, XIRQ @ 8mA, push/pull mode only, SDO IPU Internal Pull-up Current Source 10 µA Pins XRES, XIRQ, PWGD VPWRUP_L Digital Input Level LOW, BVDD>3V 0.5 V Pin PWRUP VPWRUP_H Digital Input Level HIGH, BVDD>3V BVVD/3 V Pin PWRUP VPWRUP_H Digital Input Level HIGH, BVDD<=3V 1 V Pin PWRUP RPWRUP Internal Pull-down resistor 360 k Ω Pin PWRUP VDI_L Digital Input Level LOW DVDD/2 *0.3 0.42 V Pin HBT, SDI, SCLK, MCLK, LRCK VDI_H Digital Input Level HIGH 1.02 DVDD/2 *0.7 V Pin HBT, SDI, SCLK, MCLK, LRCK IPD Internal Pull-down current source 10 µA Pin HBT fCLK Audio Clock Frequency 8 48 kHz LRCK according to streamed audio data Revision 1v3 12 - 93 |
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