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AD7902 データシート(PDF) 4 Page - Analog Devices |
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AD7902 データシート(HTML) 4 Page - Analog Devices |
4 / 29 page Data Sheet AD7902 Rev. B | Page 3 of 28 SPECIFICATIONS VDD = 2.5 V, VIO = 2.3 V to 5.5 V, VREF = 5 V, TA = −40°C to +125°C, unless otherwise noted.1 Table 2. Parameter Test Conditions/Comments Min Typ Max Unit RESOLUTION 16 Bits ANALOG INPUT2 Voltage Range INx+ − INx− 0 V REF V Absolute Input Voltage INx+ −0.1 V REF + 0.1 V INx− −0.1 0 +0.1 V Analog Input CMRR f IN = 450 kHz 67 dB Leakage Current at 25°C Acquisition phase 200 nA ACCURACY No Missing Codes 16 Bits Differential Nonlinearity Error3 V REF = 5 V −1.0 ±0.5 +1.0 LSB V REF = 2.5 V ±0.8 LSB Integral Nonlinearity Error3 V REF = 5 V −2.5 ±1.0 +2.5 LSB V REF = 2.5 V ±0.9 LSB Transition Noise3 V REF = 5 V 0.75 LSB V REF = 2.5 V 1.2 LSB Gain Error4 T MIN to TMAX −0.08 ±0.012 +0.08 % FS Gain Error Temperature Drift 0.3 ppm/°C Gain Error Match4 T MIN to TMAX 0.016 0.08 % FS Zero Error4 T MIN to TMAX −1.25 ±0.25 +1.25 mV Zero Temperature Drift 0.19 ppm/°C Zero Error Match4 T MIN to TMAX 0.2 1.0 mV Power Supply Sensitivity3 V DD = 2.5 V ± 5% ±0.1 LSB THROUGHPUT Conversion Rate V IO ≥ 2.3 V up to 85°C, VIO ≥ 3.3 V above 85°C, up to 125°C 0 1 MSPS Transient Response Full-scale step 290 ns AC ACCURACY5 Dynamic Range V REF = 5 V 92 dB V REF = 2.5 V 87 dB Oversampled Dynamic Range f OUT = 10 kSPS 111 dB Signal-to-Noise Ratio (SNR) f IN = 1 kHz, VREF = 5 V 89.5 91.5 dB f IN = 1 kHz, VREF = 2.5 V 84.5 86.5 dB Spurious-Free Dynamic Range (SFDR) f IN = 1 kHz −105 dB Total Harmonic Distortion (THD) f IN = 1 kHz −105 dB Signal-to-Noise-and-Distortion Ratio (SINAD) f IN = 1 kHz, VREF = 5 V 89 91 dB f IN = 1 kHz, VREF = 2.5 V 84 86 dB Channel-to-Channel Isolation f IN = 10 kHz −112 dB 1 The voltages for the VDDx, VIOx, and REFx pins are indicated by V DD, VIO, and VREF, respectively. 2 For information regarding input impedance, see the Analog Inputs section. 3 For the 5 V input range, 1 LSB = 76.3 µV. For the 2.5 V input range, 1 LSB = 38.2 µV. 4 See the Terminology section. These specifications include full temperature range variation, but they do not include the error contribution from the external reference. 5 All specifications in decibels (dB) are referred to a full-scale input FSR. Although these parameters are referred to full scale, they are tested with an input signal at 0.5 dB below full scale, unless otherwise specified. |
同様の部品番号 - AD7902 |
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同様の説明 - AD7902 |
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