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ADV7614 Scheda tecnica(PDF) 8 Page - Analog Devices |
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ADV7614 Scheda tecnica(HTML) 8 Page - Analog Devices |
8 / 20 page ADV7614 Data Sheet Rev. C | Page 8 of 20 ABSOLUTE MAXIMUM RATINGS Table 4. Parameter Rating DVDD to GND 2.2 V PVDD to GND 2.2 V DVDDIO to GND 4.0 V CVDD to GND 2.2 V TVDD to GND 4.0 V Digital Inputs Voltage to GND GND − 0.3 V to DVDDIO + 0.3 V 5 V Tolerant Digital Inputs to GND1 5.3 V Digital Output Voltage to GND GND − 0.3 V to DVDDIO + 0.3 V XTAL Pins −0.3 V to PVDD to 0.3 V Maximum Junction Temperature (TJ MAX) 125°C Storage Temperature 150°C Infrared Reflow Soldering (20 sec) 260°C 1 The following inputs are 3.3 V inputs but are 5 V tolerant: DDCA_SCL, DDCA_SDA, DDCB_SCL, DDCB_SDA, DDCC_SCL, DDCC_SDA, DDCD_SCL, DDCD_SDA, RXA_5V, RXB_5V, RXC_5V, RXD_5V, SHARED_EDID, PWRDN, EP_MISO. Stresses abovethoselisted under AbsoluteMaximumRatings may cause permanent damageto the device. This is a stress rating only; functional operation of the device at these orany other conditions above thoseindicated in the operational section of this specification is not implied. Exposure to absolute maximum rating conditions for extended periods may affect device reliability. PACKAGE THERMAL PERFORMANCE To reduce powerconsumption when using the ADV7614, the user is advised to turn off unused sections of the part. Due to printed circuit board (PCB)metal variation and, thus, variation in PCB heat conductivity, the value of θJA may differ for various PCBs. The most efficient measurement solution is obtainedusing the package surface temperatureto estimatethe die temperature becausethis eliminatesthevarianceassociated with theθJA value. The maximum junction temperature (TJ MAX)of 125°C must not be exceeded. The following equation calculatesthe junction temperature using the measuredpackage surface temperature and applies only when no heat sinkis used on the device under test (DUT): TJ = TS + (ΨJT × WTOTAL) where: TS is the package surface temperature(°C). ΨJT = 0.3°C/W for a 260-ball CSP_BGA. WTOTAL = ((PVDD × IPVDD)+ (0.05 ×TVDD × ITVDD)+ (CVDD × ICVDD) + (DVDD × IDVDD) + (DVDDIO × IDVDDIO)). Note that for WTOTAL, 5% of TVDD power is dissipated on the part itself. ESD CAUTION |
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