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AD7903 데이터시트(PDF) 5 Page - Analog Devices |
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AD7903 데이터시트(HTML) 5 Page - Analog Devices |
5 / 29 page AD7903 Data Sheet VDD = 2.5 V, VIO = 2.3 V to 5.5 V, TA = −40°C to +125°C, unless otherwise noted.1 Table 3. Parameter Test Conditions/Comments Min Typ Max Unit REFERENCE Voltage Range 2.4 5.1 V Load Current 1 MSPS, VREF = 5 V, each ADC 330 µA SAMPLING DYNAMICS −3 dB Input Bandwidth 10 MHz Aperture Delay VDD = 2.5 V 2.0 ns Aperture Delay Match VDD = 2.5 V 2.0 ns DIGITAL INPUTS Logic Levels VIL VIO > 3 V −0.3 +0.3 × VIO V VIO ≤ 3 V −0.3 +0.1 × VVIO V VIH VIO > 3 V 0.7 × VIO VIO + 0.3 V VIO ≤ 3 V 0.9 × VIO VIO + 0.3 V IIL −1 +1 µA IIH −1 +1 µA DIGITAL OUTPUTS Data Format Twos complement Bits Pipeline Delay No delay; conversion results available immediately after conversion is complete 0 Samples VOL ISINK = +500 µA 0.4 V VOH ISOURCE = −500 µA VIO − 0.3 V POWER SUPPLIES VDDx 2.375 2.5 2.625 V VIOx Specified performance 2.3 5.5 V VIOx Range Full Range 1.8 5.5 V IVDDx Each ADC 1.4 1.6 mA IVIOx Each ADC 0.2 0.45 mA Standby Current2, 3 VDD and VIO = 2.5 V, 25°C 0.35 µA Power Dissipation 10 kSPS throughput 140 µW 1 MSPS throughput 12.0 16 mW VDD Only 7.0 mW REF Only 3.3 mW VIO Only 1.7 mW Energy per Conversion 7.0 nJ/sample TEMPERATURE RANGE4 Specified Performance TMIN to TMAX −40 +125 °C 1 In this data sheet, the voltages for the VDDx, VIOx, and REFx pins are indicated by VDD, VIO, and VREF, respectively. 2 With all digital inputs forced to VIOx or to ground as required. 3 During the acquisition phase. 4 Contact Analog Devices, Inc., for the extended temperature range. Rev. B | Page 4 of 28 |
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