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AD7172-4 Fiches technique(PDF) 6 Page - Analog Devices |
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AD7172-4 Fiches technique(HTML) 6 Page - Analog Devices |
6 / 62 page Data Sheet AD7172-4 Rev. B | Page 5 of 61 Parameter Test Conditions/Comments Min Typ Max Unit GPIO (GPIO0, GPIO1) With respect to AVSS Input Mode Leakage Current1 −10 +10 μA Floating State Output Capacitance 5 pF Output Voltage1 High, VOH ISOURCE = 200 μA AVSS + 4 V Low, VOL ISINK = 800 μA AVSS + 0.4 V Input Voltage1 High, VIH AVSS + 3 V Low, VIL AVSS + 0.7 V CLOCK Internal Clock Frequency 2 MHz Accuracy −2.6% +2.5% % Duty Cycle 50 % Output Voltage Low, VOL 0.4 V High, VOH 0.8 × IOVDD V Crystal Frequency 14 16 16.384 MHz Startup Time 10 μs External Clock (CLKIO) 2 2.048 MHz Duty Cycle1 30 50 70 % LOGIC INPUTS Input Voltage1 High, VINH 2 V ≤ IOVDD < 2.3 V 0.65 × IOVDD V 2.3 V ≤ IOVDD ≤ 5.5 V 0.7 × IOVDD V Low, VINL 2 V ≤ IOVDD < 2.3 V 0.35 × IOVDD V 2.3 V ≤ IOVDD ≤ 5.5 V 0.7 V Hysteresis1 IOVDD ≥ 2.7 V 0.08 0.25 V IOVDD < 2.7 V 0.04 0.2 V Leakage Currents −10 +10 μA LOGIC OUTPUT (DOUT/RDY) Output Voltage1 High, VOH IOVDD ≥ 4.5 V, ISOURCE = 1 mA 0.8 × IOVDD V 2.7 V ≤ IOVDD < 4.5 V, ISOURCE = 500 μA 0.8 × IOVDD V IOVDD < 2.7 V, ISOURCE = 200 μA 0.8 × IOVDD V Low, VOL IOVDD ≥ 4.5 V, ISINK = 2 mA 0.4 V 2.7 V ≤ IOVDD < 4.5 V, ISINK = 1 mA 0.4 V IOVDD < 2.7 V, ISINK = 400 μA 0.4 V Leakage Current Floating state −10 +10 μA Output Capacitance Floating state 10 pF SYSTEM CALIBRATION1 Full-Scale (FS) Calibration Limit 1.05 × FS V Zero-Scale Calibration Limit −1.05 × FS V Input Span 0.8 × FS 2.1 × FS V POWER REQUIREMENTS Power Supply Voltage AVDD1 to AVSS 3.0 5.5 V AVDD2 to AVSS 2 5.5 V AVSS to DGND −2.75 0 V IOVDD to DGND 2 5.5 V IOVDD to AVSS For AVSS < DGND 6.35 V |
Numéro de pièce similaire - AD7172-4_17 |
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Description similaire - AD7172-4_17 |
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