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AD7982 датащи(PDF) 3 Page - Analog Devices |
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AD7982 датащи(HTML) 3 Page - Analog Devices |
3 / 28 page AD7686 Rev. B | Page 3 of 28 SPECIFICATIONS VDD = 4.5 V to 5.5 V, VIO = 2.3 V to VDD, VREF = VDD, TA = –40°C to +85°C, unless otherwise noted. Table 2. B Grade C Grade Parameter Conditions Min Typ Max Min Typ Max Unit RESOLUTION 16 16 Bits ANALOG INPUT Voltage Range IN+ − IN− 0 VREF 0 VREF V Absolute Input Voltage IN+ −0.1 VDD + 0.1 −0.1 VDD + 0.1 V IN− −0.1 +0.1 −0.1 +0.1 V Analog Input CMRR fIN = 200 kHz 65 65 dB Leakage Current @ 25°C Acquisition phase 1 1 nA Input Impedance See the Analog Input section See the Analog Input section ACCURACY No Missing Codes 16 16 Bits Differential Linearity Error −1 ±0.7 −1 ±0.5 +1.5 LSB1 Integral Linearity Error −3 ±1 +3 −2 ±0.6 +2 LSB1 Transition Noise REF = VDD = 5 V 0.5 0.45 LSB1 Gain Error2, TMIN to TMAX ±2 ±8 ±2 ±6 LSB1 Gain Error Temperature Drift ±0.3 ±0.3 ppm/°C Offset Error2, TMIN to TMAX ±0.1 ±1.6 ±0.1 ±1.6 mV Offset Temperature Drift ±0.3 ±0.3 ppm/°C Power Supply Sensitivity VDD = 5 V ± 5% ±0.05 ±0.05 LSB1 THROUGHPUT Conversion Rate 0 500 0 500 kSPS Transient Response Full-scale step 400 400 ns AC ACCURACY Signal-to-Noise Ratio fIN = 20 kHz, VREF = 5 V 89 92 91 92.7 dB3 fIN = 20 kHz, VREF = 2.5 V 87.5 88 dB2 Spurious-Free Dynamic Range fIN = 20 kHz −106 −110 dB2 Total Harmonic Distortion fIN = 20 kHz −106 −110 dB2 Signal-to-(Noise + Distortion) fIN = 20 kHz, VREF = 5 V 89 92 91 92.5 dB2 fIN = 20 kHz, VREF = 5 V, −60 dB input 32 33.5 dB2 Intermodulation Distortion4 −110 −115 dB2 1 LSB means least significant bit. With the 5 V input range, 1 LSB is 76.3 μV. 2 See the Terminology section. These specifications do include full temperature range variation, but do not include the error contribution from the external reference. 3 All specifications in dB are referred to a full-scale input FSR. Tested with an input signal at 0.5 dB below full scale, unless otherwise specified. 4 fIN1 = 21.4 kHz, fIN2 = 18.9 kHz, each tone at −7 dB below full scale. |
Аналогичный номер детали - AD7982 |
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Аналогичное описание - AD7982 |
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