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AD7478AAKSZ-REEL73 Datasheet(PDF) 5 Page - Analog Devices |
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AD7478AAKSZ-REEL73 Datasheet(HTML) 5 Page - Analog Devices |
5 / 24 page REV. C AD7476A/AD7477A/AD7478A –5– Parameter A Grade 2 Unit Test Conditions/Comments DC ACCURACY Resolution 8 Bits Integral Nonlinearity 3 ±0.3 LSB max Differential Nonlinearity 3 ±0.3 LSB max Guaranteed No Missed Codes to Eight Bits Offset Error 3, 4 ±0.3 LSB max Gain Error 3, 4 ±0.3 LSB max Total Unadjusted Error (TUE) 3, 4 ±0.5 LSB max ANALOG INPUT Input Voltage Range 0 to VDD V DC Leakage Current ±0.5 µA max Input Capacitance 20 pF typ Track-and-Hold in Track; 6 pF typ when in Hold 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, CIN 5 5 pF max LOGIC OUTPUTS Output High Voltage, VOH VDD – 0.2 V min ISOURCE = 200 µA, V DD = 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 Capacitance 5 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 Time 3 225 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 0.3 mA typ VDD = 3 V, fSAMPLE = 100 kSPS Power Dissipation 6 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 NOTES 1Temperature range from –40 °C to +85°C. 2Operational from V DD = 2.0 V, with input high voltage (VINH) 1.8 V min. 3See Terminology section. 4SC70 values guaranteed by characterization. 5Guaranteed by characterization. 6See Power vs. Throughput Rate section. Specifications subject to change without notice. |
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