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DAC128S085CISQ Fiches technique(PDF) 5 Page - Texas Instruments |
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DAC128S085CISQ Fiches technique(HTML) 5 Page - Texas Instruments |
5 / 35 page I/O GND TO INTERNAL CIRCUITRY DAC128S085 www.ti.com SNAS407H – AUGUST 2007 – REVISED APRIL 2015 7 Specifications 7.1 Absolute Maximum Ratings over operating free-air temperature range (unless otherwise noted) (1) (2) MIN MAX UNIT Supply Voltage, VA 6.5 V Voltage on any Input Pin −0.3 6.5 V Input Current at Any Pin(3) 10 mA Package Input Current(3) 30 mA Power Consumption at TA = 25°C See (4) Junction Temperature 150 °C Storage Temperature, Tstg −65 150 °C (1) Absolute Maximum Ratings indicate limits beyond which damage to the device may occur. Recomended Operating Ratings indicate conditions for which the device is functional, but do not specify specific performance limits. For ensured specifications and test conditions, see Electrical Characteristics. The ensured specifications apply only for the test conditions listed. Some performance characteristics may degrade when the device is not operated under the listed test conditions. Operation of the device beyond the Absolute Maximum Ratings is not recommended. (2) All voltages are measured with respect to GND = 0 V, unless otherwise specified. (3) When the input voltage at any pin exceeds 5.5 V or is less than GND, the current at that pin should be limited to 10 mA. The 30-mA maximum package input current rating limits the number of pins that can safely exceed the power supplies with an input current of 10 mA to three. (4) The absolute maximum junction temperature (TJmax) for this device is 150°C. The maximum allowable power dissipation is dictated by TJmax, the junction-to-ambient thermal resistance (RθJA), and the ambient temperature (TA), and can be calculated using the formula PDMAX = (TJmax − TA) / RθJA. The values for maximum power dissipation will be reached only when the device is operated in a severe fault condition (for example, when input or output pins are driven beyond the operating ratings, or the power supply polarity is reversed). Such conditions should always be avoided. 7.2 ESD Ratings VALUE UNIT Human body model (HBM), per ANSI/ESDA/JEDEC JS-001(1) ±2500 Charged-device model (CDM), per JEDEC specification JESD22- ±1000 V(ESD) Electrostatic discharge V C101(2) Machine Model ±250 (1) JEDEC document JEP155 states that 500-V HBM allows safe manufacturing with a standard ESD control process. (2) JEDEC document JEP157 states that 250-V CDM allows safe manufacturing with a standard ESD control process. 7.3 Recommended Operating Conditions over operating free-air temperature range (unless otherwise noted) MIN MAX UNIT Operating Temperature Range −40 ≤ TA ≤ °C +125 Supply Voltage, VA 2.7 5.5 V Reference Voltage, VREF1,2 0.5 VA V Digital Input Voltage(1) 0.0 5.5 V Output Load 0 1500 pF SCLK Frequency 40 MHz (1) The inputs are protected as shown below. Input voltage magnitudes up to 5.5 V, regardless of VA, will not cause errors in the conversion result. For example, if VA is 3 V, the digital input pins can be driven with a 5-V logic device. Copyright © 2007–2015, Texas Instruments Incorporated Submit Documentation Feedback 5 Product Folder Links: DAC128S085 |
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