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AD7709ARU bảng dữ liệu(PDF) 5 Page - Analog Devices |
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AD7709ARU bảng dữ liệu(HTML) 5 Page - Analog Devices |
5 / 33 page REV. A –4– AD7709 Parameter AD7709A, AD7709B Unit Test Conditions EXCITATION CURRENT SOURCES (IEXC1, IEXC2, and IEXC3) Output Current IEXC1, IEXC2 200 mA nom IEXC3 25 mA nom Initial Tolerance at 25 ∞C ±10 % typ Drift 200 ppm/ ∞C typ Initial Current Matching at 25 ∞C ±2.5 % max B Grade, No Load (between IEXC1 and IEXC2) ±2.5 % typ A Grade, No Load Drift Matching (between IEXC1 and IEXC2) 20 ppm/ ∞C typ Initial Current Matching at 25 ∞C ±5% max B Grade, No Load (between 8 IEXC3 and IEXC1/IEXC2) ±5% typ A Grade, No Load Drift Matching (between 8 IEXC3 and IEXC1/IEXC2) 20 ppm/ ∞C typ Line Regulation VDD = 5 V ± 5% IEXC1, IEXC2 1.25 mA/V typ A, B Grades 2.6 mA/V max B Grade IEXC3 1 mA/V max B Grade 1 mA/V typ A Grade Load Regulation 300 nA/V typ Output Compliance VDD – 0.6 V max GND –30 mV V min LOW-SIDE POWER SWITCHES (SW1 and SW2) RON 3 W typ VDD = 5 V, A and B Grade 5 W max B Grade 4.5 W typ VDD = 3 V, A and B Grade 7 Wmax B Grade Allowable Current 2 20 mA max Continuous Current per Switch LOGIC INPUTS All Inputs Except SCLK and XTAL1 2 VINL, Input Low Voltage 0.8 V max VDD = 5 V 0.4 V max VDD = 3 V VINH, Input High Voltage 2.0 V min VDD = 3 V or 5 V SCLK Only (Schmitt-Triggered Input) 2 VT(+) 1.4/2 V min/V max VDD = 5 V VT(–) 0.8/1.4 V min/V max VDD = 5 V VT(+) – VT(–) 0.3/0.85 V min/V max VDD = 5 V VT(+) 0.95/2 V min/V max VDD = 3 V VT(–) 0.4/1.1 V min/V max VDD = 3 V VT(+) – VT(–) 0.3/0.85 V min/V max VDD = 3 V XTAL1 Only 2 VINL, Input Low Voltage 0.8 V max VDD = 5 V VINH, Input High Voltage 3.5 V min VDD = 5 V VINL, Input Low Voltage 0.4 V max VDD = 3 V VINH, Input High Voltage 2.5 V min VDD = 3 V Input Currents (except XTAL) ±2 mA max VIN = VDD –70 mA max VIN = GND, Typically –40 mA @ 5 V and –20 mA at 3 V; Weak Pull-Ups on the Logic Inputs Input Capacitance 10 pF typ All Digital Inputs (continued) SPECIFICATIONS |
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