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AD7693BCPZRL Datasheet(PDF) 4 Page - Analog Devices |
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AD7693BCPZRL Datasheet(HTML) 4 Page - Analog Devices |
4 / 25 page Data Sheet AD7693 SPECIFICATIONS VDD = 4.5 V to 5.5 V, VIO = 2.3 V to VDD, VREF = VDD, all specifications TMIN to TMAX, unless otherwise noted. Table 2. Parameter Conditions/Comments Min Typ Max Unit RESOLUTION 16 Bits ANALOG INPUT Voltage Range IN+ − (IN−) −VREF +VREF V Absolute Input Voltage IN+, IN− −0.1 VREF + 0.1 V Common-Mode Input Range IN+, IN− VREF/2 – 0.1 VREF/2 VREF/2 + 0.1 V Analog Input CMRR fIN = 250 kHz 65 dB Leakage Current at 25°C Acquisition phase 1 nA Input Impedance1 THROUGHPUT Conversion Rate 0 500 kSPS Transient Response Full-scale step 400 ns ACCURACY No Missing Codes 16 Bits Integral Linearity Error −0.5 ±0.25 +0.5 LSB2 Differential Linearity Error −0.5 ±0.25 +0.5 LSB Transition Noise REF = VDD = 5 V 0.35 LSB Gain Error3 −20 ±0.5 +20 LSB Gain Error Temperature Drift ±0.3 ppm/°C Zero Error3 −5 ±0.5 +5 LSB Zero Temperature Drift ±0.3 ppm/°C Power Supply Sensitivity VDD = 5 V ± 5% ±1 ppm AC ACCURACY4 Dynamic Range 96 96.5 dB5 Signal-to-Noise fIN = 1 kHz 95.5 96 dB fIN = 10 kHz 95.5 dB fIN = 100 kHz 93 dB fIN = 1 kHz, VREF = 2.5 V 93 dB Signal-to-(Noise + Distortion) fIN = 1 kHz 95.5 96 dB fIN = 10 kHz 95.5 dB fIN = 100 kHz 90 dB Total Harmonic Distortion fIN = 1 kHz −120 −108 dB fIN = 10 kHz −113 dB fIN = 100 kHz −92 dB Spurious-Free Dynamic Range fIN = 1 kHz 120 dB fIN = 10 kHz 114 dB fIN = 100 kHz 93.5 dB Intermodulation Distortion6 115 dB 1 See the Analog Inputs section. 2 LSB means least significant bit. With the ±5 V input range, one LSB is 152.6 µV. 3 See the Terminology section. These specifications include full temperature range variation but not the error contribution from the external reference. 4 With VREF = 5 V, unless otherwise noted. 5 All specifications expressed in decibels are referred to a full-scale input FSR and tested with an input signal at 0.5 dB below full scale, unless otherwise specified. 6 fIN1 = 21.4 kHz and fIN2 = 18.9 kHz, with each tone at −7 dB below full scale. Rev. B | Page 3 of 24 |
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