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AD7902BRQZ-RL7 Scheda tecnica(PDF) 4 Page - List of Unclassifed Manufacturers |
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AD7902BRQZ-RL7 Scheda tecnica(HTML) 4 Page - List of Unclassifed Manufacturers |
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4 / 29 page  Data Sheet AD7902 Rev. 0 | 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 VREF V Absolute Input Voltage INx+ −0.1 VREF + 0.1 V INx+, INx− −0.1 0 +0.1 V Analog Input CMRR fIN = 450 kHz 67 dB Leakage Current at 25°C Acquisition phase 200 nA ACCURACY No Missing Codes 16 Bits Differential Nonlinearity Error3 VREF = 5 V −1.0 ±0.5 +1.0 LSB VREF = 2.5 V ±0.8 LSB Integral Nonlinearity Error3 VREF = 5 V −2.5 ±1.0 +2.5 LSB VREF = 2.5 V ±0.9 LSB Transition Noise3 VREF = 5 V 0.75 LSB VREF = 2.5 V 1.2 LSB Gain Error4 TMIN to TMAX −0.08 ±0.012 +0.08 % FS Gain Error Temperature Drift 0.3 ppm/°C Gain Error Match4 TMIN to TMAX 0.016 0.08 % FS Zero Error4 TMIN to TMAX −1.25 ±0.25 +1.25 mV Zero Temperature Drift 0.19 ppm/°C Zero Error Match4 TMIN to TMAX 0.2 1.0 mV Power Supply Sensitivity3 VDD = 2.5 V ± 5% ±0.1 LSB THROUGHPUT Conversion Rate VIO ≥ 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 VREF = 5 V 92 dB VREF = 2.5 V 87 dB Oversampled Dynamic Range fOUT = 10 kSPS 111 dB Signal-to-Noise Ratio (SNR) fIN = 1 kHz, VREF = 5 V 89.5 91.5 dB fIN = 1 kHz, VREF = 2.5 V 84.5 86.5 dB Spurious-Free Dynamic Range (SFDR) fIN = 1 kHz −105 dB Total Harmonic Distortion (THD) fIN = 1 kHz −105 dB Signal-to-Noise-and-Distortion Ratio (SINAD) fIN = 1 kHz, VREF = 5 V 89 91 dB fIN = 1 kHz, VREF = 2.5 V 84 86 dB Channel-to-Channel Isolation fIN = 10 kHz −112 dB 1 The voltages for the VDDx, VIOx, and REFx pins are indicated by VDD, 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. |
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