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AD7478AARM-REEL Datasheet(PDF) 4 Page - Analog Devices |
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AD7478AARM-REEL Datasheet(HTML) 4 Page - Analog Devices |
4 / 24 page ![]() REV. C –4– AD7476A/AD7477A/AD7478A AD7478A–SPECIFICATIONS1 (VDD = 2.35 V to 5.25 V, fSCLK = 20 MHz, fSAMPLE = 1 MSPS, unless otherwise noted; TA = TMIN to TMAX, unless otherwise noted.) Parameter A Grade 2 Unit Test Conditions/Comments DYNAMIC PERFORMANCE fIN = 100 kHz Sine Wave Signal-to-Noise + Distortion (SINAD) 3 49 dB min Total Harmonic Distortion (THD) 3 –65 dB max Peak Harmonic or Spurious Noise (SFDR) 3 –65 dB max Intermodulation Distortion (IMD) 3 Second-Order Terms –76 dB typ fa = 100.73 kHz, fb = 90.7 kHz Third-Order Terms –76 dB typ fa = 100.73 kHz, fb = 90.7 kHz Aperture Delay 10 ns typ Aperture Jitter 30 ps typ Full Power Bandwidth 13.5 MHz typ @ 3 dB 2 MHz typ @ 0.1 dB Parameter A Grade 2 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, 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 700 ns max 14 SCLK Cycles with SCLK at 20 MHz Track-and-Hold Acquisition Time 3 250 ns max Throughput Rate 1 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, fSAMPLE = 1 MSPS 1.7 mA max VDD = 2.35 V to 3.6 V, fSAMPLE = 1 MSPS 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, fSAMPLE = 1 MSPS 5.1 mW max VDD = 3 V, fSAMPLE = 1 MSPS 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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