поискавой системы для электроныых деталей |
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AD7984 датащи(PDF) 4 Page - Analog Devices |
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AD7984 датащи(HTML) 4 Page - Analog Devices |
4 / 25 page Data Sheet AD7984 SPECIFICATIONS VDD = 2.5 V, VIO = 2.3 V to 5.5 V, REF = 5 V, 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 Common-Mode Input Range IN+, IN− VREF × 0.475 VREF × 0.5 VREF × 0.525 V Analog Input CMRR fIN = 450 kHz 67 dB1 Leakage Current at 25°C Acquisition phase 200 nA Input Impedance See the Analog Inputs section ACCURACY No Missing Codes 18 Bits Differential Linearity Error −1 +1.5 LSB2 Integral Linearity Error −2.25 +2.25 LSB2 Transition Noise 0.95 LSB2 Gain Error, TMIN to TMAX3 −0.075 ±0.022 +0.075 % of FS Gain Error Temperature Drift −0.6 ppm/°C Zero Error, TMIN to TMAX3 −700 ±100 +700 µV Zero Temperature Drift 0.3 ppm/°C Power Supply Sensitivity VDD = 2.5 V ± 5% 90 dB1 THROUGHPUT Conversion Rate 0 1.33 MSPS Transient Response Full-scale step 290 ns AC ACCURACY Dynamic Range VREF = 5 V 99.7 dB1 Signal-to-Noise, SNR fIN = 1 kHz, VREF = 5 V, TA = 25°C 96.5 98.5 dB1 Spurious-Free Dynamic Range, SFDR fIN = 10 kHz 112.5 dB1 Total Harmonic Distortion4, THD fIN = 10 kHz −110.5 dB1 Signal-to-(Noise + Distortion), SINAD fIN = 10 kHz, VREF = 5 V, TA = 25°C 98 dB1 1 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. 2 LSB means least significant bit. With the ±5 V input range, one LSB is 38.15 µV. 3 See Terminology section. These specifications include full temperature range variation but not the error contribution from the external reference. 4 Tested fully in production at fIN = 1 kHz. Rev. B | Page 3 of 24 |
Аналогичный номер детали - AD7984_17 |
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Аналогичное описание - AD7984_17 |
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