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AD7322 Datasheet(PDF) 3 Page - ATMEL Corporation |
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AD7322 Datasheet(HTML) 3 Page - ATMEL Corporation |
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3 / 18 page  AD7322 Preliminary Technical Data AD7322—SPECIFICATIONS1 Table 1. Unless otherwise noted, VDD = + 4.75V to +16.5V, VSS = -4.75V to –16.5V, VCC = 2.7V to 5.25V, VDRIVE = 2.7V to 5.25V, VREF = 2.5V Internal/External, fSCLK = 20 MHz, fS = 1 MSPS TA = TMAX to TMIN Parameter Specification Units Test Conditions/Comments DYNAMIC PERFORMANCE FIN = 50 kHz Sine Wave Signal to Noise Ratio (SNR) 2 78 dB min Differential Mode 75 dB min Single-Ended /Pseudo Differential Mode Signal to Noise + Distortion (SINAD)2 77 dB min Differential Mode 74 dB min Single-Ended/Pseudo Differential Mode Total Harmonic Distortion (THD)2 -TBD dB max Peak Harmonic or Spurious Noise (SFDR) 2 -TBD dB max Intermodulation Distortion (IMD) 2 Fa = 40.1 kHz, Fb = 41.5 kHz Second Order Terms -88 dB typ Third Order Terms -88 dB typ Aperature Delay2 10 ns max Aperature Jitter2 50 ps typ Common Mode Rejection (CMRR)2 TBD dB typ Channel-to-Channel Isolation2 -80 dB typ FIN = 400 kHz Full Power Bandwidth2 13 1.5 MHz typ MHz typ @ 3 dB @ 0.1 dB DC ACCURACY Resolution 12+Sign Bits Integral Nonlinearity2 ±1.5 LSB max Differential Nonlinearity2 ± 0.95 LSB max Guaranteed No Missing Codes to 13-Bits Offset Error3 ±6 LSB max Unipolar Range with Straight Binary output coding Offset Error Match2 ±0.5 LSB max Gain Error2 ±2 LSB max Gain Error Match2 ±0.6 LSB max Positive Full-Scale Error2 ±2 LSB max Bipolar Range with Twos Complement Output Coding Positive Full Scale Error Match2 ±0.6 LSB max Bipolar Zero Error2 ±6 LSB max Bipolar Zero Error Match2 ±0.5 LSB max Negative Full Scale Error2 ±2 LSB max Negative Full Scale Error Match2 ±0.5 LSB max ANALOG INPUT Input Voltage Ranges (Programmed via Range Register) ±10V ±5V ±2.5V 0 to 10V Volts VDD = +10V min , VSS = -10V min, VCC = 2.7V to 5.25V VDD = +5V min, VSS = -5V min, VCC = 2.7V to 5.25V VDD = +5V min, VSS = - 5V min, VCC = 2.7V to 5.25V VDD = +10V min, VSS = 0 V min, VCC = 2.7V to 5.25V DC Leakage Current ±10 nA max Input Capacitance 8 pF typ When in Track, ±10V Range 11 pF typ When in Track, ±5V, 0 to 10V Range 19 pF typ When in Track, ±2.5V Range 6 pF typ When in Hold REFERENCE INPUT/OUTPUT Input Voltage Range +2.5 to +3V V min to max Input DC Leakage Current ±1 µA max Input Capactiance 20 pF typ Reference Output Voltage 2.49/2.51 Vmin/max Reference Temperature Coefficient 25 ppm/°C max Rev. PrE | Page 3 of 18 |
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