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AD7699 数据表(PDF) 3 Page - Analog Devices |
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AD7699 数据表(HTML) 3 Page - Analog Devices |
3 / 20 page Preliminary Technical Data AD7689 Rev. PrC | Page 3 of 20 SPECIFICATIONS VDD = 2.5 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 Unipolar mode 0 +VREF V Bipolar mode −VREF/2 +VREF/2 Absolute Input Voltage Positive input, unipolar and bipolar mode −0.1 VREF + 0.1 V Negative or COM input, unipolar mode −0.1 +0.1 Negative or COM input, bipolar mode VREF/2 – 0.1 VREF/2 VREF/2 + 0.1 Analog Input CMRR fIN = 250 kHz TBD dB Leakage Current at 25°C Acquisition phase 1 nA Input Impedance1 THROUGHPUT Conversion Rate VDD = 4.096V to 5.5 0 250 kSPS VDD = 2.5V to 4.096V 1 200 Transient Response Full-scale step 1.8 μs ACCURACY No Missing Codes 16 Bits Integral Linearity Error -2 ±0.6 +2 LSB2 Differential Linearity Error −1 ±0.25 +1.5 LSB Transition Noise REF = VDD = 5 V 0.5 LSB Gain Error3 −30 ±0.5 +30 LSB Gain Error Match TBD LSB Gain Error Temperature Drift ±0.3 ppm/°C Offset Error3 −5 ±0.5 +5 LSB Offset Error Match TBD LSB Offset Error Temperature Drift ±0.3 ppm/°C Power Supply Sensitivity VDD = 5 V ± 5% ±1 ppm AC ACCURACY4 Dynamic Range 93.5 dB5 Signal-to-Noise fIN = 20 kHz, VREF = 5V 92.5 dB fIN = 20 kHz, VREF = 2.5V 88.5 Signal-to-(Noise + Distortion) fIN = 20 kHz, VREF = 5V 92.5 dB fIN = 20 kHz, VREF = 2.5V 88.5 dB Total Harmonic Distortion fIN = 20 kHz −100 dB Spurious-Free Dynamic Range fIN = 20 kHz 110 dB Channel-to-Channel Crosstalk fIN = 100 kHz on adjacent channel(s) -117 dB Intermodulation Distortion6 115 dB SAMPLING DYNAMICS −3 dB Input Bandwidth Selectable 0.425 1.7 MHz Aperture Delay VDD = 5V 2.5 ns 1 See the Analog Inputs section. 2 LSB means least significant bit. With the 5 V input range, one LSB is 76.3 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. |
类似零件编号 - AD7699 |
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类似说明 - AD7699 |
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