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ADS8558 Datasheet(PDF) 3 Page - Texas Instruments |
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ADS8558 Datasheet(HTML) 3 Page - Texas Instruments |
3 / 40 page RECOMMENDED OPERATING CONDITIONS DISSIPATION RATINGS (1) THERMAL CHARACTERISTICS ADS8556 ADS8557 ADS8558 www.ti.com ............................................................................................................................................... SBAS404A – OCTOBER 2006 – REVISED AUGUST 2009 MIN TYP MAX UNIT Supply voltage, AVDD to AGND 4.5 5 5.5 V Low-voltage levels 2.7 3.0 3.6 V Supply voltage, BVDD to BGND 5V logic levels 4.5 5 5.5 V Range 1 (±2 × VREF) 2 × VREF 16.5 V Input supply voltage, HVDD to AGND Range 2 (±4 × VREF) 4 × VREF 16.5 V Range 1 (±2 × VREF) –16.5 –2 × VREF V Input supply voltage, HVSS to AGND Range 2 (±4 × VREF) –16.5 –4 × VREF V Reference input voltage (VREF) 0.5 2.5 3.0 V Range 1 (±2 × VREF) –2 × VREF +2 × VREF V Analog inputs (also see the Analog Inputs section) Range 1 (±4 × VREF) –4 × VREF +4 × VREF V Operating ambient temperature range, TA –40 +125 °C DERATING FACTOR TA ≤ +25°C TA = +70°C TA = +85°C TA = +125°C PACKAGE ABOVE TA = +25°C POWER RATING POWER RATING POWER RATING POWER RATING LQFP-64 20.8mW/°C 2.60W 1.66W 1.35W 0.52W (1) Based on High-K θ JA. Over recommended operating conditions, unless otherwise noted. ADS8556, ADS8557, ADS8558 PARAMETER TEST CONDITIONS MIN TYP MAX UNIT Low-K thermal resistance(1) 74 °C/W θ JA Junction-to-air thermal resistance High-K thermal resistance(1) 48 °C/W Junction-to-case thermal θ JC 16 °C/W resistance ADS8556, HVDD = +15V, HVSS = –15V, AVDD = 5V, 251.7 298.5 mW BVDD = 3V, and fDATA = maximum ADS8557, HVDD = +15V, HVSS = –15V, AVDD = 5V, PD Device power dissipation 253.2 303.0 mW BVDD = 3V, and fDATA = maximum ADS8558, HVDD = +15V, HVSS = –15V, AVDD = 5V, 262.2 318.0 mW BVDD = 3V, and fDATA = maximum (1) Modeled in accordance with the Low-K or High-K thermal metric definitions of EIA/JESD51-3. Copyright © 2006–2009, Texas Instruments Incorporated 3 Product Folder Link(s): ADS8556 ADS8557 ADS8558 |
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