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AD7475ARMZ Datasheet(PDF) 3 Page - Analog Devices |
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AD7475ARMZ Datasheet(HTML) 3 Page - Analog Devices |
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3 / 24 page  Data Sheet AD7475/AD7495 Rev. D | Page 3 of 24 AD7475 SPECIFICATIONS VDD = 2.7 V to 5.25 V, VDRIVE = 2.7 V to 5.25 V, REF IN = 2.5 V, fSCLK = 20 MHz, TA = TMIN to TMAX, unless otherwise noted. Table 1. Parameter A Version1 B Version1 Unit Test Conditions/Comments DYNAMIC PERFORMANCE Signal-to-Noise and Distortion Ratio (SINAD) 68 68 dB min fIN = 300 kHz sine wave, fSAMPLE = 1 MSPS Total Harmonic Distortion (THD) −75 −75 dB max fIN = 300 kHz sine wave, fSAMPLE = 1 MSPS Peak Harmonic or Spurious Noise (SFDR) −76 −76 dB max fIN = 300 kHz sine wave, fSAMPLE = 1 MSPS Intermodulation Distortion (IMD) Second-Order Terms −78 −78 dB typ Third-Order Terms −78 −78 dB typ Aperture Delay 10 10 ns typ Aperture Jitter 50 50 ps typ Full Power Bandwidth 8.3 8.3 MHz typ @ 3 dB Full Power Bandwidth 1.3 1.3 MHz typ @ 0.1 dB DC ACCURACY Resolution 12 12 Bits Integral Nonlinearity ±1.5 ±1 LSB max @ 5 V (typ @ 3 V) ±0.5 ±0.5 LSB typ @ 25°C Differential Nonlinearity +1.5/−0.9 +1.5/−0.9 LSB max @ 5 V guaranteed no missed codes to 12 bits (typ @ 3 V) ±0.5 ±0.5 LSB typ @ 25°C Offset Error ±8 ±8 LSB max Typically ±2.5 LSB Gain Error ±3 ±3 LSB max ANALOG INPUT Input Voltage Ranges 0 to REF IN 0 to REF IN V DC Leakage Current ±1 ±1 µA max Input Capacitance 20 20 pF typ REFERENCE INPUT REF IN Input Voltage Range 2.5 2.5 V ±1% for specified performance DC Leakage Current ±1 ±1 µA max Input Capacitance 20 20 pF typ LOGIC INPUTS Input High Voltage, VINH VDRIVE − 1 V min Input Low Voltage, VINL 0.4 0.4 V max Input Current, IIN ±1 ±1 µA max Typically 10 nA, VIN = 0 V or VDRIVE Input Capacitance, CIN2 10 10 pF max LOGIC OUTPUTS Output High Voltage, VOH VDRIVE − 0.2 V min ISOURCE = 200 µA; VDRIVE = 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 Capacitance2 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 300 300 ns max Sine wave input 325 325 ns max Full-scale step input Throughput Rate 1 1 MSPS max See the Serial Interface section |
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