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AD7477AAKS Fiches technique(PDF) 5 Page - Analog Devices |
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AD7477AAKS Fiches technique(HTML) 5 Page - Analog Devices |
5 / 24 page AD7476/AD7477/AD7478 Rev. F | Page 5 of 24 AD7477 SPECIFICATIONS VDD = 2.7 V to 5.25 V, fSCLK = 20 MHz, TA = TMIN to TMAX, unless otherwise noted. Table 2. Parameter A Version1,2 S Version1,2 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)3 −73 −73 dB max Peak Harmonic or Spurious Noise (SFDR)3 −74 −74 dB max Intermodulation Distortion (IMD)3 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 Nonlinearity3 ±1 ±1 LSB max Differential Nonlinearity3 ±0.9 ±0.9 LSB max Guaranteed no missed codes to 10 bits Offset Error3 ±1 ±1 LSB max Gain Error3 ±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, CIN4 10 10 pF max LOGIC OUTPUTS Output High Voltage, VOH VDD – 0.2 VDD – 0.2 V min ISOURCE = 200 μA, VDD = 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 Capacitance4 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 |
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