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AD7980 датащи(PDF) 3 Page - Analog Devices |
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AD7980 датащи(HTML) 3 Page - Analog Devices |
3 / 22 page Preliminary Technical Data AD7980 Rev Pr C | Page 3 of 22 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 16 Bits ANALOG INPUT Voltage Range IN+ − IN− 0 +VREF V Absolute Input Voltage IN+ −0.1 VREF + 0.1 V IN− −0.1 +0.1 V Analog Input CMRR fIN = 1 MHz 60 dB Leakage Current at 25°C Acquisition phase 1 nA Input Impedance See the Analog Input section ACCURACY No Missing Codes 16 Bits Differential Linearity Error −1 ±0.5 +1 LSB1 Integral Linearity Error −2 ±1 +2 LSB Transition Noise REF = 5 V 0.58 LSB REF = 2.5 V 1 LSB Gain Error2, TMIN to TMAX ±2 LSB Gain Error Temperature Drift ±1 ppm/°C Zero Error2, TMIN to TMAX ±0.5 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 Signal-to-Noise fIN = 20 kHz, VREF = 5 V 91.5 dB fIN = 20 kHz, VREF = 2.5 V 87.5 dB Spurious-Free Dynamic Range fIN = 20 kHz −103.5 dB Total Harmonic Distortion fIN = 20 kHz −101 dB Signal-to-(Noise + Distortion) fIN = 20 kHz, VREF = 5 V 91.5 dB fIN = 20 kHz, VREF = 2.5 V 87.5 dB Intermodulation Distortion3 -105 dB 1 LSB means least significant bit. With the 5 V input range, one LSB is 76.3 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 fIN1 = 21.4 kHz, fIN2 = 16.9 kHz, each tone at −7 dB below full-scale. |
Аналогичный номер детали - AD7980 |
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Аналогичное описание - AD7980 |
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