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AD7993-0 Datasheet(PDF) 5 Page - Analog Devices |
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AD7993-0 Datasheet(HTML) 5 Page - Analog Devices |
5 / 32 page AD7993/AD7994 Rev. 0 | Page 5 of 32 AD7994 SPECIFICATIONS Temperature range for B version is −40°C to +125°C. Unless otherwise noted, VDD = 2.7 V to 5.5 V; REFIN = 2.5 V. For the AD7994-0, all specifications apply for fSCL up to 400 kHz. For the AD7994-1, all specs apply for fSCL up to 3.4 MHz, unless otherwise noted. TA = TMIN to TMAX. Table 2. Parameter B Version Unit Test Conditions/Comments DYNAMIC PERFORMANCE1 FIN = 10 kHz sine wave for fSCL from 1.7 MHz to 3.4 MHz FIN = 1 kHz sine wave for fSCL up to 400 kHz Signal-to-Noise + Distortion (SINAD)2 70.5 dB min Signal-to-Noise Ratio (SNR)2 71 dB min Total Harmonic Distortion (THD)2 –78 dB max Peak Harmonic or Spurious Noise (SFDR)2 –79 dB max Intermodulation Distortion (IMD)2 fa = 10.1 kHz, fb = 9.9 kHz for fSCL from 1.7 MHz to 3.4 MHz fa = 1.1 kHz, fb = 0.9 kHz for fSCL up to 400 kHz Second-Order Terms –90 dB typ Third-Order Terms –90 dB typ Aperture Delay2 10 ns max Aperture Jitter2 50 ps typ Channel-to-Channel Isolation2 -90 dB typ FIN = 108 Hz, see the Terminology section Full-Power Bandwidth2 11 MHz typ @ 3 dB 2 MHz typ @ 0.1 dB DC ACCURACY Resolution 12 Bits Integral Nonlinearity1, 2 ±1 LSB max ±0.2 LSB typ Differential Nonlinearity1, 2 +1/–0.9 LSB max Guaranteed no missed codes to 12 bits ±0.2 LSB typ Offset Error2 ±4 LSB max Mode 1 (CONVST Mode) ±6 LSB max Mode 2 (Command Mode) Offset Error Match2 ±1 LSB max Gain Error2 ±2 LSB max Gain Error Match2 ±1 LSB max ANALOG INPUT Input Voltage Range 0 to REFIN V DC Leakage Current ± 1 µA max Input Capacitance 30 pF typ REFERENCE INPUT REFIN Input Voltage Range 1.2 to VDD V min/V max DC Leakage Current ± 1 µA max Input Impedance 69 kΩ typ During a converison LOGIC INPUTS (SDA, SCL) Input High Voltage, VINH 0.7 (VDD) V min Input Low Voltage, VINL 0.3 (VDD) V max Input Leakage Current, IIN ± 1 µA max VIN = 0 V or VDD Input Capacitance, CIN 3 10 pF max Input Hysteresis, VHYST 0.1 (VDD) V min |
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