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AD7997BRU-1 Datenblatt(PDF) 3 Page - Analog Devices |
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AD7997BRU-1 Datenblatt(HTML) 3 Page - Analog Devices |
3 / 32 page AD7997/AD7998 Rev. 0 | Page 3 of 32 AD7997 SPECIFICATIONS Temperature range for B version is −40°C to +85°C. Unless otherwise noted, VDD = 2.7 V to 5.5 V; REFIN = 2.5 V; For the AD7997-0, all specifications apply for fSCL up to 400 kHz; for the AD7997-1, all specifications apply for fSCL up to 3.4 MHz, unless otherwise noted; TA = TMIN to TMAX. Table 1. 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 61 dB min Total Harmonic Distortion (THD) 2 –75 dB max Peak Harmonic or Spurious Noise (SFDR) 2 –76 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 –86 dB typ Third-Order Terms –86 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 10 Bits Integral Nonlinearity1, 2 ±0.5 LSB max Differential Nonlinearity1, 2 ±0.5 LSB max Guaranteed no missed codes to 10 bits Offset Error2 ±1.5 LSB max Mode 1 (CONVST Mode) ±2.5 LSB max Mode 2 (Command Mode) Offset Error Match2 ±0.5 LSB max Gain Error2 ±1.5 LSB max Gain Error Match2 ±0.5 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 conversion 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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