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AD7477AAKSZ-REEL Datasheet(PDF) 7 Page - Analog Devices |
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AD7477AAKSZ-REEL Datasheet(HTML) 7 Page - Analog Devices |
7 / 28 page AD7476A/AD7477A/AD7478A Rev. F | Page 7 of 28 Parameter A Grade2 Unit Test Conditions/Comments LOGIC INPUTS Input High Voltage, VINH 2.4 V min 1.8 V min VDD = 2.35 V Input Low Voltage, VINL 0.8 V max VDD = 5 V 0.4 V max VDD = 3 V Input Current, IIN, SCLK Pin ±0.5 μA max Typically 10 nA, VIN = 0 V or VDD Input Current, IIN, CS Pin ±10 nA typ Input Capacitance, CIN5 5 pF max LOGIC OUTPUTS Output High Voltage, VOH VDD – 0.2 V min ISOURCE = 200 μA, VDD = 2.35 V to 5.25 V Output Low Voltage, VOL 0.4 V max ISINK = 200 μA Floating-State Leakage Current ±1 μA max Floating-State Output Capacitance5 5 pF max Output Coding Straight (Natural) Binary CONVERSION RATE Conversion Time 600 ns max 12 SCLK cycles with SCLK at 20 MHz Track-and-Hold Acquisition Time3 225 ns max Throughput Rate 1.2 MSPS max POWER REQUIREMENTS VDD 2.35/5.25 V min/max IDD Digital I/Ps = 0 V or VDD Normal Mode (Static) 2.5 mA typ VDD = 4.75 V to 5.25 V, SCLK on or off 1.2 mA typ VDD = 2.35 V to 3.6 V, SCLK on or off Normal Mode (Operational) 3.5 mA max VDD = 4.75 V to 5.25 V 1.7 mA max VDD = 2.35 V to 3.6 V Full Power-Down Mode (Static) 1 μA max Typically 50 nA Full Power-Down Mode (Dynamic) 0.6 mA typ VDD = 5 V, fSAMPLE = 100 kSPS Power Dissipation6 0.3 mA typ VDD = 3 V, fSAMPLE = 100 kSPS Normal Mode (Operational) 17.5 mW max VDD = 5 V 5.1 mW max VDD = 3 V Full Power-Down Mode 5 μW max VDD = 5 V 1 Temperature range is from –40°C to +85°C. 2 Operational from VDD = 2.0 V, with input high voltage (VINH) 1.8 V minimum. 3 See the Terminology section. 4 SC70 values guaranteed by characterization. 5 Guaranteed by characterization. 6 See the Power vs. Throughput Rate section. |
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