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AD7224BQ Arkusz danych(PDF) 3 Page - Analog Devices |
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AD7224BQ Arkusz danych(HTML) 3 Page - Analog Devices |
3 / 8 page AD7224 REV. B –3– SINGLE SUPPLY K, B, T L, C, U Parameter Versions 2 Versions 2 Units Conditions/Comments STATIC PERFORMANCE Resolution 8 8 Bits Total Unadjusted Error ±2 ±2 LSB max Differential Nonlinearity ±1 ±1 LSB max Guaranteed Monotonic REFERENCE INPUT Input Resistance 8 8 k Ω min Input Capacitance3 100 100 pF max Occurs when DAC is loaded with all 1s. DIGITAL INPUTS Input High Voltage, VINH 2.4 2.4 V min Input Low Voltage, VINL 0.8 0.8 V max Input Leakage Current ±1 ±1 µA max VIN = 0 V or VDD Input Capacitance 3 8 8 pF max Input Coding Binary Binary DYNAMIC PERFORMANCE Voltage Output Slew Rate 4 22V/ µs min Voltage Output Settling Time 4 Positive Full-Scale Change 5 5 µs max Settling Time to ± 1/2 LSB Negative Full-Scale Change 20 20 µs max Settling Time to ± 1/2 LSB Digital Feedthrough 3 50 50 nV secs typ VREF = 0 V Minimum Load Resistance 2 2 k Ω min VOUT = +10 V POWER SUPPLIES VDD Range 14.25/15.75 14.25/15.75 V min/V max For Specified Performance IDD @ 25 °C 4 4 mA max Outputs Unloaded; VIN = VINL or VINH TMIN to TMAX 6 6 mA max Outputs Unloaded; VIN = VINL or VINH SWITCHING CHARACTERISTICS 3, 4 t1 @ 25 °C 90 90 ns min Chip Select/Load DAC Pulse Width TMIN to TMAX 90 90 ns min t2 @ 25 °C 90 90 ns min Write/Reset Pulse Width TMIN to TMAX 90 90 ns min t3 @ 25 °C 0 0 ns min Chip Select/Load DAC to Write Setup Time TMIN to TMAX 0 0 ns min t4 @ 25 °C 0 0 ns min Chip Select/Load DAC to Write Hold Time TMIN to TMAX 0 0 ns min t5 @ 25 °C 90 90 ns min Data Valid to Write Setup Time TMIN to TMAX 90 90 ns min t6 @ 25 °C 10 10 ns min Data Valid to Write Hold Time TMIN to TMAX 10 10 ns min NOTES 1Maximum possible reference voltage. 2Temperature ranges are as follows: AD7224KN, LN: 0 °C to +70°C AD7224BQ, CQ: –25 °C to +85°C AD7224TD, UD: –55 °C to +125°C 3See Terminology. 4Sample tested at 25 °C by Product Assurance to ensure compliance. Specifications subject to change without notice. (VDD = +15 V 5%; VSS = AGND = DGND = O V; VREF = +10 V 1 unless otherwise noted. All specifications TMIN to TMAX unless otherwise noted.) |
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Podobny opis - AD7224BQ |
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