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AMC7834 Datasheet(PDF) 8 Page - Texas Instruments |
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AMC7834 Datasheet(HTML) 8 Page - Texas Instruments |
8 / 93 page 8 AMC7834 SLAS972B – NOVEMBER 2014 – REVISED MARCH 2016 www.ti.com Product Folder Links: AMC7834 Submit Documentation Feedback Copyright © 2014–2016, Texas Instruments Incorporated (1) The value of the DVDD pin must be equal to that of the AVDD pins. (2) The value of the AVSS pin is only equal to AGND when all bipolar DACs are set to operate in positive voltage ranges. 6.3 Recommended Operating Conditions over operating free-air temperature range (unless otherwise noted) MIN NOM MAX UNIT Supply voltage AVDD (1) 4.5 5 5.5 V DVDD (1) 4.5 5 5.5 IOVDD 1.7 3.3 3.6 AVCC 4.5 5 12.5 AVSS (2) –5.5 –5 0 PAVDD 4 5 20 Specified performance temperature –40 25 105 °C Operating temperature –40 25 125 °C (1) For more information about traditional and new thermal metrics, see the IC Package Thermal Metrics application report, SPRA953. (2) TI strongly recommends to solder the device thermal pad to a board plane connected to the AVSS pin. 6.4 Thermal Information THERMAL METRIC(1)(2) RTQ (VQFN) UNIT 56 PINS RθJA Junction-to-ambient thermal resistance 24.7 °C/W RθJC(top) Junction-to-case (top) thermal resistance 7.9 RθJB Junction-to-board thermal resistance 2.7 ψJT Junction-to-top characterization parameter 0.2 ψJB Junction-to-board characterization parameter 2.7 RθJC(bot) Junction-to-case (bottom) thermal resistance 0.3 |
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