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AD7924BRU-REEL7 데이터시트(PDF) 4 Page - Analog Devices |
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AD7924BRU-REEL7 데이터시트(HTML) 4 Page - Analog Devices |
4 / 32 page AD7904/AD7914/AD7924 Data Sheet Rev. C | Page 4 of 32 Parameter B Version1 Unit Test Conditions/Comments LOGIC OUTPUTS Output High Voltage, VOH VDRIVE − 0.2 V min ISOURCE = 200 μA, AVDD = 2.7 V to 5.25 V Output Low Voltage, VOL 0.4 V max ISINK = 200 μA Floating-State Leakage Current ±1 μA max Floating-State Output Capacitance3 10 pF max Output Coding Straight (natural) binary CODING bit set to 1 Twos complement CODING bit set to 0 CONVERSION RATE Conversion Time 800 ns max 16 SCLK cycles with SCLK at 20 MHz Track-and-Hold Acquisition Time2 300 ns max Sine wave input 300 ns max Full-scale step input Throughput Rate 1 MSPS max See the Serial Interface section POWER REQUIREMENTS VDD 2.7/5.25 V min/V max VDRIVE 2.7/5.25 V min/V max IDD4 Digital inputs = 0 V or VDRIVE Normal Mode (Static) 600 μA typ AVDD = 2.7 V to 5.25 V, SCLK on or off Normal Mode (Operational) 2.7 mA max AVDD = 4.75 V to 5.25 V, fSCLK = 20 MHz 2 mA max AVDD = 2.7 V to 3.6 V, fSCLK = 20 MHz Auto Shutdown Mode 960 μA typ fSAMPLE = 250 kSPS 0.5 μA max Static Full Shutdown Mode 0.5 μA max SCLK on or off (20 nA typ) Power Dissipation4 Normal Mode (Operational) 13.5 mW max AVDD = 5 V, fSCLK = 20 MHz 6 mW max AVDD = 3 V, fSCLK = 20 MHz Auto Shutdown Mode (Static) 2.5 μW max AVDD = 5 V 1.5 μW max AVDD = 3 V Full Shutdown Mode 2.5 μW max AVDD = 5 V 1.5 μW max AVDD = 3 V 1 Temperature range for B versions: −40°C to +85°C. 2 See the Terminology section. 3 Sample tested @ 25°C to ensure compliance. 4 See the Power vs. Throughput Rate section. |
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