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AD7682BCPZRL7 Datasheet(PDF) 6 Page - Analog Devices |
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AD7682BCPZRL7 Datasheet(HTML) 6 Page - Analog Devices |
6 / 32 page AD7682/AD7689 Data Sheet Rev. D | Page 6 of 32 VDD = 2.3 V to 5.5 V, VIO = 1.8 V to VDD, VREF = VDD, all specifications TMIN to TMAX, unless otherwise noted. Table 3. All Models/Grades Parameter Conditions/Comments Min Typ Max Unit INTERNAL REFERENCE REF Output Voltage 2.5 V, @ 25°C 2.490 2.500 2.510 V 4.096 V, @ 25°C 4.086 4.096 4.106 V REFIN Output Voltage1 2.5 V, @ 25°C 1.2 V 4.096 V, @ 25°C 2.3 V REF Output Current ±300 μA Temperature Drift ±10 ppm/°C Line Regulation VDD = 5 V ± 5% ±15 ppm/V Long-Term Drift 1000 hours 50 ppm Turn-On Settling Time CREF = 10 μF 5 ms EXTERNAL REFERENCE Voltage Range REF input 0.5 VDD + 0.3 V REFIN input (buffered) 0.5 VDD − 0.5 V Current Drain2 250 kSPS, REF = 5 V 50 μA TEMPERATURE SENSOR Output Voltage3 @ 25°C 283 mV Temperature Sensitivity 1 mV/°C DIGITAL INPUTS Logic Levels VIL −0.3 +0.3 × VIO V VIH 0.7 × VIO VIO + 0.3 V IIL −1 +1 μA IIH −1 +1 μA DIGITAL OUTPUTS Data Format4 Pipeline Delay5 VOL ISINK = +500 μA 0.4 V VOH ISOURCE = −500 μA VIO − 0.3 V POWER SUPPLIES VDD Specified performance 2.3 5.5 V VIO Specified performance 1.8 VDD + 0.3 V Standby Current6, 7 VDD and VIO = 5 V, @ 25°C 50 nA Power Dissipation VDD = 2.5 V, 100 SPS throughput 1.7 μW VDD = 2.5 V, 200 kSPS throughput 3.5 mW VDD = 5 V, 250 kSPS throughput 12.5 18 mW VDD = 5 V, 250 kSPS throughput with internal reference 15.5 21 mW Energy per Conversion VDD = 5V 60 nJ TEMPERATURE RANGE8 Specified Performance TMIN to TMAX −40 +85 °C 1 This is the output from the internal band gap. 2 This is an average current and scales with throughput. 3 The output voltage is internal and present on a dedicated multiplexer input. 4 Unipolar mode: serial 16-bit straight binary. Bipolar mode: serial 16-bit twos complement. 5 Conversion results available immediately after completed conversion. 6 With all digital inputs forced to VIO or GND as required. 7 During acquisition phase. 8 Contact an Analog Devices, Inc., sales representative for the extended temperature range. |
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