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AD7683ARMZ 数据表(PDF) 3 Page - Analog Devices |
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AD7683ARMZ 数据表(HTML) 3 Page - Analog Devices |
3 / 16 page AD7683 Rev. A | Page 3 of 16 SPECIFICATIONS VDD = 2.7 V to 5.5 V; VREF = VDD; TA = –40°C to +85°C, unless otherwise noted. Table 2. Parameter Conditions AD7683 All Grades Unit Min Typ Max RESOLUTION 16 Bits ANALOG INPUT Voltage Range +IN − (–IN) 0 VREF V Absolute Input Voltage +IN −0.1 VDD + 0.1 V −IN −0.1 0.1 V Analog Input CMRR fIN = 100 kHz 65 dB Leakage Current at 25°C Acquisition phase 1 nA Input Impedance See the Analog Input section THROUGHPUT SPEED Complete Cycle 10 μs Throughput Rate 0 100 kSPS DCLOCK Frequency 0 2.9 MHz REFERENCE Voltage Range 0.5 VDD + 0.3 V Load Current 100 kSPS, V+IN − V−IN = VREF/2 = 2.5 V 50 μA DIGITAL INPUTS Logic Levels VIL −0.3 0.3 × VDD V VIH 0.7 × VDD VDD + 0.3 V IIL −1 +1 μA IIH −1 +1 μA Input Capacitance 5 pF DIGITAL OUTPUTS Data Format Serial, 16 bits straight binary VOH ISOURCE = −500 μA VDD − 0.3 V VOL ISINK = +500 μA 0.4 V POWER SUPPLIES VDD Specified performance 2.7 5.5 V VDD Range1 2.0 5.5 V Operating Current 100 kSPS throughput VDD VDD = 5 V 800 μA VDD = 2.7 V 560 μA Standby Current2, 3 VDD = 5 V, 25°C 1 50 nA Power Dissipation VDD = 5 V 4 6 mW VDD = 2.7 V 1.5 mW VDD = 2.7 V, 10 kSPS throughput2 150 μW TEMPERATURE RANGE Specified Performance TMIN to TMAX −40 +85 °C 1 See the Typical Performance Characteristics section for more information. 2 With all digital inputs forced to VDD or GND, as required. 3 During acquisition phase. |
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