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DAC7562SDGST Fiches technique(PDF) 5 Page - Texas Instruments |
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DAC7562SDGST Fiches technique(HTML) 5 Page - Texas Instruments |
5 / 58 page DAC8562, DAC8563 DAC8162, DAC8163 DAC7562, DAC7563 www.ti.com SLAS719D – AUGUST 2010 – REVISED AUGUST 2012 ELECTRICAL CHARACTERISTICS (continued) At AVDD = 2.7 V to 5.5 V and TA = –40°C to 125°C (unless otherwise noted). PARAMETER TEST CONDITIONS MIN TYP MAX UNIT REFERENCE External VREF = 2.5 V (when internal reference is External reference current 15 µA disabled), all channels active using gain = 1 VREFIN reference input range 0 AVDD V Internal reference disabled, gain = 1 170 Reference input impedance k Ω Internal reference disabled, gain = 2 85 REFERENCE OUTPUT Output voltage TA = 25°C 2.495 2.5 2.505 V Initial accuracy TA = 25°C –5 ±0.1 5 mV Output voltage temperature drift(4) 4 10 ppm/°C Output voltage noise f = 0.1 Hz to 10 Hz 12 µVPP TA = 25°C, f = 1 kHz, CL = 0 µF 250 Output voltage noise density (high- TA = 25°C, f = 1 MHz, CL = 0 µF 30 nV/ √Hz frequency noise) TA = 25°C, f = 1 MHz, CL = 4.7 µF 10 Load regulation, sourcing(5) TA = 25°C 20 µV/mA Load regulation, sinking(5) TA = 25°C 185 µV/mA Output current load capability(6) ±20 mA Line regulation TA = 25°C 50 µV/V Long-term stability/drift (aging)(5) TA = 25°C, time = 0 to 1900 hours 100 ppm First cycle 200 Thermal hysteresis(5) ppm Additional cycles 50 POWER REQUIREMENTS(7) Power supply voltage 2.7 5.5 V Normal mode, internal reference off 0.25 0.5 mA Normal mode, internal reference on 0.9 1.6 AVDD = 3.6 V to 5.5 V Power-down modes(8) 0.55 2 µA Power-down modes(9) 0.55 4 IDD Normal mode, internal reference off 0.2 0.4 mA Normal mode, internal reference on 0.73 1.4 AVDD = 2.7 V to 3.6 V Power-down modes(8) 0.35 2 µA Power-down modes(9) 0.35 3 Normal mode, internal reference off 0.9 2.75 mW Normal mode, internal reference on 3.2 8.8 AVDD = 3.6 V to 5.5 V Power-down modes(8) 2 11 µW Power-down modes(9) 2 22 Power dissipation Normal mode, internal reference off 0.54 1.44 mW Normal mode, internal reference on 1.97 5 AVDD = 2.7 V to 3.6 V Power-down modes(8) 0.95 7.2 µW Power-down modes(9) 0.95 10.8 TEMPERATURE RANGE Specified performance –40 125 °C (4) Internal reference output voltage temperature drift is characterized from –40°C to 125°C. (5) Explained in more detail in the Application Information section of this data sheet. (6) Specified by design or characterization (7) Input code = mid-scale, no load, VINH = AVDD, and VINL = GND (8) Temperature range –40°C to 105°C (9) Temperature range –40°C to 125°C Copyright © 2010–2012, Texas Instruments Incorporated Submit Documentation Feedback 5 Product Folder Links: DAC8562 DAC8563 DAC8162 DAC8163 DAC7562 DAC7563 |
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