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AD7482AST Datasheet(PDF) 3 Page - Analog Devices |
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AD7482AST Datasheet(HTML) 3 Page - Analog Devices |
3 / 16 page REV. 0 AD7482 –3– Parameter Specification Unit Test Conditions/Comments POWER REQUIREMENTS VDD 5V ±5% VDRIVE 2.7 V min 5.25 V max IDD Normal Mode (Static) 12 mA max CS and RD = Logic 1 Normal Mode (Operational) 18 mA max NAP Mode 0.5 mA max Standby Mode 2 µA max 0.5 µA typ Power Dissipation Normal Mode (Operational) 90 mW max NAP Mode 2.5 mW max Standby Mode 6 10 µW max NOTES 1Temperature range is as follows: –40 °C to +85°C. 2SNR and SINAD figures quoted include external analog input circuit noise contribution of approximately 1 dB. 3See Typical Performance Characteristics section for analog input circuits used. 4See Terminology section. 5Sample tested @ 25 °C to ensure compliance. 6Digital input levels at GND or V DRIVE. Specifications subject to change without notice. (VDD = 5 V ± 5%, AGND = DGND = 0 V, VREF = External, fSAMPLE = 3 MSPS; all specifications TMIN to TMAX and valid for VDRIVE = 2.7 V to 5.25 V, unless otherwise noted.) SPECIFICATIONS (continued) Parameter Symbol Min Typ Max Unit DATA READ Conversion Time tCONV 300 ns Quiet Time before Conversion Start tQUIET 100 ns CONVST Pulsewidth t1 5ns CONVST Falling Edge to BUSY Falling Edge t2 20 ns CS Falling Edge to RD Falling Edge t3 0ns Data Access Time t4 25 ns CONVST Falling Edge to New Data Valid t5 30 ns BUSY Rising Edge to New Data Valid t6 5ns Bus Relinquish Time t7 10 ns RD Rising Edge to CS Rising Edge t8 0ns CS Pulsewidth t14 30 ns RD Pulsewidth t15 30 ns DATA WRITE WRITE Pulsewidth t9 5ns Data Setup Time t10 2ns Data Hold Time t11 6ns CS Falling Edge to WRITE Falling Edge t12 5ns WRITE Falling Edge to CS Rising Edge t13 0ns *All timing specifications given above are with a 25 pF load capacitance. With a load capacitance greater than this value, a digital buffer or latch must be used. Specifications subject to change without notice. TIMING CHARACTERISTICS* (VDD = 5 V ± 5%, AGND = DGND = 0 V, VREF = External; all specifications TMIN to TMAX and valid for VDRIVE = 2.7 V to 5.25 V, unless otherwise noted.) |
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