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AD7478ART 데이터시트(PDF) 3 Page - Analog Devices |
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AD7478ART 데이터시트(HTML) 3 Page - Analog Devices |
3 / 20 page REV. D –3– AD7477–SPECIFICATIONS1(V DD = 2.7 V to 5.25 V, fSCLK = 20 MHz, TA = TMIN to TMAX, unless otherwise noted.) Parameter A Version 1, 2 S Version 1, 2 Unit Test Conditions/Comments DYNAMIC PERFORMANCE fIN = 100 kHz Sine Wave, fSAMPLE = 1 MSPS Signal-to-(Noise + Distortion) (SINAD) 61 61 dB min Total Harmonic Distortion (THD) –73 –73 dB max Peak Harmonic or Spurious Noise (SFDR) –74 –74 dB max Intermodulation Distortion (IMD) Second-Order Terms –78 –78 dB typ fa = 103.5 kHz, fb = 113.5 kHz Third-Order Terms –78 –78 dB typ fa = 103.5 kHz, fb = 113.5 kHz Aperture Delay 10 10 ns typ Aperture Jitter 30 30 ps typ Full Power Bandwidth 6.5 6.5 MHz typ @ 3 dB DC ACCURACY Resolution 10 10 Bits Integral Nonlinearity ±1 ±1 LSB max Differential Nonlinearity ±0.9 ±0.9 LSB max Guaranteed No Missed Codes to 10 Bits Offset Error ±1 ±1 LSB max Gain Error ±1 ±1 LSB max ANALOG INPUT Input Voltage Ranges 0 to VDD 0 to VDD V DC Leakage Current ±1 ±1 µA max Input Capacitance 30 30 pF typ LOGIC INPUTS Input High Voltage, VINH 2.4 2.4 V min Input Low Voltage, VINL 0.8 0.8 V max VDD = 5 V 0.4 0.4 V max VDD = 3 V Input Current, IIN, SCLK Pin ±1 ±1 µA max Typically 10 nA, VIN = 0 V or VDD Input Current, IIN, CS Pin ±1 ±1 µA typ Input Capacitance, CIN 4 10 10 pF max LOGIC OUTPUTS Output High Voltage, VOH VDD – 0.2 VDD – 0.2 V min ISOURCE = 200 µA; V DD = 2.7 V to 5.25 V Output Low Voltage, VOL 0.4 0.4 V max ISINK = 200 µA Floating-State Leakage Current ±10 ±10 µA max Floating-State Output Capacitance 4 10 10 pF max Output Coding Straight (Natural) Binary CONVERSION RATE Conversion Time 800 800 ns max 16 SCLK Cycles with SCLK at 20 MHz Track-and-Hold Acquisition Time 400 400 ns max Throughput Rate 1 1 MSPS max See Serial Interface Section POWER REQUIREMENTS VDD 2.7/5.25 2.7/5.25 V min/max IDD Digital I/Ps = 0 V or VDD Normal Mode (Static) 2 2 mA typ VDD = 4.75 V to 5.25 V; SCLK On or Off 11 mA typ VDD = 2.7 V to 3.6 V; SCLK On or Off Normal Mode (Operational) 3.5 3.5 mA max VDD = 4.75 V to 5.25 V; fSAMPLE = 1 MSPS 1.6 1.6 mA max VDD = 2.7 V to 3.6 V; fSAMPLE = 1 MSPS Full Power-Down Mode 1 1 µA max SCLK Off 80 80 µA max SCLK On Power Dissipation 5 Normal Mode (Operational) 17.5 17.5 mW max VDD = 5 V; fSAMPLE = 1 MSPS 4.8 4.8 mW max VDD = 3 V; fSAMPLE = 1 MSPS Full Power-Down 5 5 µW max VDD = 5 V; SCLK Off NOTES 1Temperature ranges as follows: A Version: –40 °C to +85°C; S Version: –55°C to +125°C. 2Operational from V DD = 2.0 V, with input high voltage, VINH = 1.8 V min. 3See Terminology section. 4Guaranteed by characterization. 5See Power vs. Throughput Rate section. Specifications subject to change without notice. |
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