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ADS5400MHFSV Arkusz danych(PDF) 3 Page - Texas Instruments |
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ADS5400MHFSV Arkusz danych(HTML) 3 Page - Texas Instruments |
3 / 46 page ADS5400-SP www.ti.com SLAS669C – SEPTEMBER 2010 – REVISED AUGUST 2012 THERMAL CHARACTERISTICS (1) PARAMETER TEST CONDITIONS TYP UNIT RθJA JESD51-2 and JESD51-3 (2) 21.81 °C/W RθJC MIL-STD-883 Test Method 1012(3) 0.849 °C/W (1) This CQFP package has built-in vias that electrically and thermally connect the bottom of the die to a pad on the bottom of the package. To efficiently remove heat and provide a low-impedance ground path, a thermal land is required on the surface of the PCB directly underneath the body of the package. During normal surface mount flow solder operations, the heat pad on the underside of the package is soldered to this thermal land creating an efficient thermal path. Normally, the PCB thermal land has a number of thermal vias within it that provide a thermal path to internal copper areas (or to the opposite side of the PCB) that provide for more efficient heat removal. TI typically recommends an 11,9 mm2 board-mount thermal pad. This allows maximum area for thermal dissipation, while keeping leads away from the pad area to prevent solder bridging. A sufficient quantity of thermal/electrical vias must be included to keep the device within recommended operating conditions. This pad must be electrically at ground potential. (2) RθJA is the thermal resistance from the junction to ambient. (3) RθJC is the thermal resistance from the junction to case. RECOMMENDED OPERATING CONDITIONS MIN TYP MAX UNIT SUPPLIES Analog supply voltage, AVDD5 4.75 5 5.25 V Analog supply voltage, AVDD3 3.135 3.3 3.465 V Digital supply voltage, DVDD3 3.135 3.3 3.465 V ANALOG INPUT Full-scale differential input range 1.52 2 Vpp VCM Input common mode AVDD5/2 V DIGITAL OUTPUT Differential output load 5 pF CLOCK INPUT CLK input sample rate (sine wave) 100 1000 MSPS Clock amplitude, differential 0.6 1.5 Vpp Clock duty cycle 45% 50% 55% TC Operating case temperature –55 125 °C Copyright © 2010–2012, Texas Instruments Incorporated 3 Product Folder Links: ADS5400-SP |
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