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AD7190 Arkusz danych(PDF) 3 Page - Analog Devices |
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AD7190 Arkusz danych(HTML) 3 Page - Analog Devices |
3 / 21 page Preliminary Technical Data AD7190 Rev.PrD 7/08 | Page 3 Parameter1 AD7190B Unit Test Conditions/Comments Reference Voltage Range2 1 V min AVDD V max The differential input must be limited to ± (AVDD – 1V)/gain when gain > 1 Absolute REFIN Voltage Limits2 GND – 50 mV V min AVDD + 50 mV V max Average Reference Input Current 6 µA/V typ Average Reference Input Current Drift ±0.03 nA/V/°C typ Normal Mode Rejection2 Same as for analog inputs Common-Mode Rejection 100 dB typ Reference Detect Levels 0.3 V min 0.5 V max TEMPERATURE SENSOR Accuracy +2 °C typ Applies after user-calibration at one temperature Sensitivity 2800 codes/°C typ LOW SIDE POWER SWITCH RON 7 Ω max AVDD = 5 V 9 Ω max AVDD = 3 V Allowable Current2 30 mA max Continuous Current BURNOUT CURRENTS AIN Current 500 nA nom DIGITAL OUTPUTS (P0 – P3) VOH, Output High Voltage2 AVDD − 0.6 V min AVDD = 3V, ISOURCE = 100 µA VOL, Output Low Voltage2 0.4 V max AVDD = 3V, ISINK = 100 µA VOH, Output High Voltage2 4 V min AVDD = 5V, ISOURCE = 200 µA VOL, Output Low Voltage2 0.4 V max AVDD = 5V, ISINK = 800 µA Floating-State Leakage Current ±10 µA max Floating-State Output Capacitance 10 pF typ INTERNAL/EXTERNAL CLOCK Internal Clock Frequency 4.92 + 4% MHz min/max Duty Cycle 50:50 % typ External Clock/Crystal Frequency 4.9152 MHz nom 2.4576/5.12 MHz min/max VINL, Input Low Voltage 0.8 V max DVDD = 5 V 0.4 V max DVDD = 3 V VINH, Input High Voltage 2.5 V min DVDD = 3 V 3.5 V min DVDD = 5 V Input Current ±10 µA max MCLKIN = DVDD or GND LOGIC INPUTS VT(+) 1.4/2 V min/V max DVDD = 5 V VT( −) 0.8/1.7 V min/V max DVDD = 5 V VT(+) − VT(−) 0.1/0.17 V min/V max DVDD = 5 V VT(+) 0.9/2 V min/V max DVDD = 3 V VT( −) 0.4/1.35 V min/V max DVDD = 3 V VT(+) − VT(−) 0.06/0.13 V min/V max DVDD = 3 V Input Currents ±10 µA max VIN = DVDD or GND LOGIC OUTPUT (DOUT/RDY) VOH, Output High Voltage2 DVDD − 0.6 V min DVDD = 3 V, ISOURCE = 100 µA VOL, Output Low Voltage2 0.4 V max DVDD = 3 V, ISINK = 100 µA VOH, Output High Voltage2 4 V min DVDD = 5 V, ISOURCE = 200 µA |
Podobny numer części - AD7190 |
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Podobny opis - AD7190 |
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