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AD7982 датащи(PDF) 3 Page - Analog Devices |
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AD7982 датащи(HTML) 3 Page - Analog Devices |
3 / 23 page Preliminary Technical Data AD7982 Rev PrC | Page 3 of 23 SPECIFICATIONS VDD = 2.5 V, VIO = 2.3 V to 5.5V, VREF = 5V, TA = –40°C to +85°C, unless otherwise noted. Table 2. Parameter Conditions Min Typ Max Unit RESOLUTION 18 Bits ANALOG INPUT Voltage Range IN+ − IN− −VREF +VREF V Absolute Input Voltage IN+, IN− −0.1 VREF + 0.1 V Analog Input CMRR fIN = 1 MHz 66 dB Leakage Current at 25°C Acquisition phase 150 uA Input Impedance See the Analog Input section ACCURACY No Missing Codes 18 Bits Differential Linearity Error −1 ±0.5 +2 LSB1 Integral Linearity Error −2.5 ±1 +2.5 LSB Transition Noise REF = 5 V 1.05 LSB Gain Error2, TMIN to TMAX ±2 LSB Gain Error Temperature Drift ±1 ppm/°C Zero Error2, TMIN to TMAX ±1 mV Zero Temperature Drift ±1 ppm/°C Power Supply Sensitivity VDD = 2.5V ± 5% ±0.1 LSB THROUGHPUT Conversion Rate 0 1 MSPS Transient Response Full-scale step 250 ns AC ACCURACY Dynamic Range VREF = 5 V 99 dB3 Spurious-Free Dynamic Range fIN = 1 kHz −120 dB Total Harmonic Distortion fIN = 1 kHz −117 dB Signal-to-(Noise + Distortion) fIN = 1 kHz, VREF = 5 V 98 dB Intermodulation Distortion4 115 dB 1 LSB means least significant bit. With the ±5 V input range, one LSB is 38.15 μV. 2 See 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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