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AD7357 Datasheet(PDF) 3 Page - Analog Devices |
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AD7357 Datasheet(HTML) 3 Page - Analog Devices |
3 / 17 page Preliminary Technical Data AD7357 Rev. PrD | Page 3 of 17 SPECIFICATIONS AD7357 SPECIFICATIONS VDD = 2.5 +/-10% V, VDRIVE = 2.5 V to 3.3 +10% V, internal VREF = 2.048 V, unless otherwise noted, FCLKIN = 80 MHz, FSAMPLE = 4.25 MSPS; TA = TMIN to TMAX1, unless otherwise noted. Table 1. Parameter Specification Unit Test Conditions/Comments DYNAMIC PERFORMANCE fIN = 1 MHz sine wave Signal-to-Noise Ratio (SNR) 78 dB min Signal-to-Noise and Distortion (SINAD) 77 dB min Total Harmonic Distortion (THD) TBD dB max Spurious Free Dynamic Range (SFDR) TBD dB max Intermodulation Distortion (IMD) fa = TBD Hz, fb = TBD Hz Second Order Terms TBD dB typ Third Order Terms TBD dB typ Channel-to-Channel Isolation −85 dB typ fIN = TBD kHz, fNOISE = TBD kHz SAMPLE AND HOLD Aperture Delay 5 ns max Aperture Delay Matching 40 ps max Aperture Jitter 15 ps typ Full Power Bandwidth 200 MHz typ @ 3 dB 30 MHz typ @ 0.1 dB DC ACCURACY Resolution 14 Bits Integral Nonlinearity ±2 LSB max Differential Nonlinearity ±0.99 LSB max Guaranteed no missed codes to 14 bits Offset Error ±10 LSB max Offset Error Match ±1 LSB typ ±6 LSB max Gain Error ±10 LSB max Gain Error Match ±1 LSB typ ±6 LSB max ANALOG INPUT Fully Differential Input Range: Vin+ and Vin− VCM ± VREF⁄2 V VCM = common-mode voltage , Vin+ and Vin− must remain within GND⁄VDD DC Leakage Current ±1 µA max Input Capacitance 35 pF typ When in track 10 pF typ When in hold REFERENCE INPUT/OUTPUT VREF Input Voltage Range 2.048+100mV / Vdd V min / V max DC Leakage Current ±1 µA max VREF Output Voltage 2.048 V ±0.5% max @ 25°C VREF Temperature Coefficient 10 ppm⁄°C typ VREF Long Term Stability 100 ppm typ For 1000 hours VREF Output Voltage Hysteresis2 50 ppm typ VREF Noise TBD µV Typ VREF Output Impedance TBD Ω Typ VREF Input Capacitance TBD pF typ When in track LOGIC INPUTS Input High Voltage, VINH 0.6 × Vdrive V min Input Low Voltage, VINL 0.3 × Vdrive V max Input Current, IIN ±1 µA max VIN = 0 V or VDRIVE Input Capacitance, CIN 10 pF typ |
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