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AD7224KP Arkusz danych(PDF) 2 Page - Analog Devices |
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AD7224KP Arkusz danych(HTML) 2 Page - Analog Devices |
2 / 8 page REV. B –2– AD7224–SPECIFICATIONS (VDD = 11.4 V to 16.5 V, VSS = –5 V 10%; AGND = DGND = O V; VREF = +2 V to (VDD – 4 V) 1 unless otherwise noted. All specifications TMIN to TMAX unless otherwise noted.) DUAL 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 ±1 LSB max VDD = +15 V ± 5%, VREF = +10 V Relative Accuracy ±1 ±1/2 LSB max Differential Nonlinearity ±1 ±1 LSB max Guaranteed Monotonic Full-Scale Error ±3/2 ±1 LSB max Full-Scale Temperature Coefficient ±20 ±20 ppm/ °C max VDD = 14 V to 16.5 V, VREF = +10 V Zero Code Error ±30 ±20 mV max Zero Code Error Temperature Coefficient ±50 ±30 µV/°C typ REFERENCE INPUT Voltage Range 2 to (VDD – 4) 2 to (VDD – 4) V min to V max 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 3 2.5 2.5 V/ µs min Voltage Output Settling Time 3 Positive Full-Scale Change 5 5 µs max VREF = +10 V; Settling Time to ± 1/2 LSB Negative Full-Scale Change 7 7 µs max VREF = +10 V; Settling Time to ± 1/2 LSB Digital Feedthrough 50 50 nV secs typ VREF = 0 V Minimum Load Resistance 2 2 k Ω min VOUT = +10 V POWER SUPPLIES VDD Range 11.4/16.5 11.4/16.5 V min/V max For Specified Performance VSS Range 4.5/5.5 4.5/5.5 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 ISS @ 25 °C 3 3 mA max Outputs Unloaded; VIN = VINL or VINH TMIN to TMAX 5 5 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: K, L Versions: –40 °C to +85°C B, C Versions: –40 °C to +85°C T, U Versions: –55 °C to +125°C 3Sample Tested at 25 °C by Product Assurance to ensure compliance. 4Switching characteristics apply for single and dual supply operation. Specifications subject to change without notice. |
Podobny numer części - AD7224KP |
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Podobny opis - AD7224KP |
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