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AD7920BKS-REEL7 Datasheet(PDF) 5 Page - Analog Devices |
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AD7920BKS-REEL7 Datasheet(HTML) 5 Page - Analog Devices |
5 / 24 page AD7910/AD7920 Rev. C | Page 5 of 24 Parameter1 A Grade , 1 2 B Grade1, 2 Unit Test Conditions/Comments LOGIC INPUTS Input High Voltage, VINH 2.4 2.4 V min 1.8 1.8 V min VDD = 2.35 V Input Low Voltage, VINL 0.8 0.8 V max VDD = 3.6 V to 5.25 V 0.4 0.4 V max VDD = 2.35 V to 3.6 V Input Current, IIN, SCLK Pin ±0.5 ±0.5 μA max Typically 10 nA, VIN = 0 V or VDD Input Current, IIN, CS Pin ±10 ±10 nA typ Input Capacitance, CIN6 5 5 pF max LOGIC OUTPUTS Output High Voltage, VOH VDD − 0.2 VDD − 0.2 V min ISOURCE = 200 μA, VDD = 2.35 V to 5.25 V Output Low Voltage, VOL 0.4 0.4 V max ISINK = 200 μA Floating-State Leakage Current ±1 ±1 μA max Floating-State Output Capacitance6 5 5 pF max Output Coding Straight (natural) binary CONVERSION RATE Conversion Time 3.2 3.2 μs max 16 SCLK cycles with SCLK at 5 MHz Track-and-Hold Acquisition Time3 250 250 ns max Throughput Rate 250 250 kSPS max See the Serial Interface section POWER REQUIREMENTS VDD 2.35/5.25 2.35/5.25 V min/max IDD Digital I/Ps = 0 V or VDD Normal Mode (Static) 2.5 2.5 mA typ VDD = 4.75 V to 5.25 V, SCLK on or off 1.2 1.2 mA typ VDD = 2.35 V to 3.6 V, SCLK on or off Normal Mode (Operational) 3 3 mA max VDD = 4.75 V to 5.25 V, fSAMPLE = 250 kSPS 1.4 1.4 mA max VDD = 2.35 V to 3.6 V, fSAMPLE = 250 kSPS Full Power-Down Mode 1 1 μA max Typically 50 nA Power Dissipation7 Normal Mode (Operational) 15 15 mW max VDD = 5 V, fSAMPLE = 250 kSPS 4.2 4.2 mW max VDD = 3 V, fSAMPLE = 250 kSPS Full Power-Down 5 5 μW max VDD = 5 V 3 3 μW max VDD = 3 V 1 Temperature range from −40°C to +85°C. 2 Operational from VDD = 2.0 V, with input low voltage (VINL) 0.35 V max. 3 See the Terminology section. 4 B Grade, maximum specifications apply as typical figures when VDD = 4.75 V to 5.25 V. 5 SC70 values guaranteed by characterization. 6 Guaranteed by characterization. 7 See the Power vs. Throughput Rate section. |
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