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AD7226TQ Arkusz danych(PDF) 2 Page - Analog Devices |
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AD7226TQ Arkusz danych(HTML) 2 Page - Analog Devices |
2 / 12 page REV. A –2– AD7226–SPECIFICATIONS DUAL SUPPLY Parameter K, B, T Versions 2 Units Conditions/Comments STATIC PERFORMANCE Resolution 8 Bits Total Unadjusted Error ± 2 LSB max VDD = +15 V ± 5%, VREF = +10 V Relative Accuracy ± 1 LSB max Differential Nonlinearity ± 1 LSB max Guaranteed Monotonic Full Scale Error ±1 1/2 LSB max Full Scale Temperature Coefficient ±20 ppm/ °C typ VDD = 14 V to 16.5 V, VREF = +10 V Zero Code Error ±30 mV max Zero Code Error Temperature Coefficient ±50 µV/°C typ REFERENCE INPUT Voltage Range 2 to (VDD – 4) V min to V max Input Resistance 2 k Ω min Input Capacitance 3 65 pF min Occurs when each DAC is loaded with all 0s. 300 pF max Occurs when each DAC is loaded with all 1s. DIGITAL INPUTS Input High Voltage, VINH 2.4 V min Input Low Voltage, VINL 0.8 V max Input Leakage Current ± 1 µA max VIN = 0 V or VDD Input Capacitance 8 pF max Input Coding Binary DYNAMIC PERFORMANCE Voltage Output Slew Rate 4 2.5 V/ µs min Voltage Output Settling Time 4 Positive Full Scale Change 5 µs max VREF = +10 V; Settling Time to ± 1/2 LSB Negative Full Scale Change 7 µs max VREF = +10 V; Settling Time to ± 1/2 LSB Digital Crosstalk 50 nV secs typ Minimum Load Resistance 2 k Ω min VOUT = +10 V POWER SUPPLIES VDD Range 11.4/16.5 V min/V max For Specified Performance IDD 13 mA max Outputs Unloaded; VIN = VINL or VINH ISS 11 mA max Outputs Unloaded; VIN = VINL or VINH SWITCHING CHARACTERISTICS 4, 5 Address to Write Setup Time, tAS @ 25 °C 0 ns min TMIN to TMAX 0 ns min Address to Write Hold Time, tAH @ 25 °C 10 ns min TMIN to TMAX 10 ns min Data Valid to Write Setup Time, tDS @ 25 °C 90 ns min TMIN to TMAX 100 ns min Data Valid to Write Hold Time, tDH @ 25 °C 10 ns min TMIN to TMAX 10 ns min Write Pulse Width, tWR @ 25 °C 150 ns min TMIN to TMAX 200 ns min NOTES 1Maximum possible reference voltage. 2Temperature ranges are as follows: K Version: –40 °C to +85°C B Version: –40 °C to +85°C T Version: –55 °C to +125°C 3Guanteed by design. Not production tested. 4Sample Tested at 25 °C to ensure compliance. 5Switching Characteristics apply for single and dual supply operation. Specifications subject to change without notice. (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.) |
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