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AD558 Datenblatt(PDF) 2 Page - Analog Devices |
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AD558 Datenblatt(HTML) 2 Page - Analog Devices |
2 / 8 page AD558–SPECIFICATIONS Model AD558J AD558K AD558S 1 AD558T 1 Min Typ Max Min Typ Max Min Typ Max Min Typ Max Units RESOLUTION 8 8 8 8 Bits RELATIVE ACCURACY 2 0 °C to +70°C ±1/2 ±1/4 ±1/2 ±1/4 LSB –55 °C to +125°C ±3/4 ±3/8 LSB OUTPUT Ranges 3 0 to +2.56 0 to +2.56 0 to +2.56 0 to +2.56 V 0 to +10 0 to +10 0 to +10 0 to +10 V Current Source +5 +5 +5 +5 mA Sink Internal Passive Internal Passive Internal Passive Internal Passive Pull-Down to Ground 4 Pull-Down to Ground Pull-Down to Ground Pull-Down to Ground OUTPUT SETTLING TIME 5 0 to 2.56 Volt Range 0.8 1.5 0.8 1.5 0.8 1.5 0.8 1.5 µs 0 to 10 Volt Range 4 2.0 3.0 2.0 3.0 2.0 3.0 2.0 3.0 µs FULL-SCALE ACCURACY 6 @ 25 °C 1.5 0.5 1.5 0.5 LSB TMIN to TMAX 2.5 1 2.5 1 LSB ZERO ERROR @ 25 °C 1 1/2 1 1/2 LSB TMIN to TMAX 2 1 2 1 LSB MONOTONICITY 7 TMIN to TMAX Guaranteed Guaranteed Guaranteed Guaranteed DIGITAL INPUTS TMIN to TMAX Input Current ±100 ±100 ±100 100 µA Data Inputs, Voltage Bit On-Logic “1” 2.0 2.0 2.0 2.0 V Bit On-Logic “0” 0 0.8 0 0 0 V Control Inputs, Voltage On-Logic “1” 2.0 2.0 2.0 2.0 V On-Logic “0” 0 0.8 0 0.8 0 0.8 0 0.8 V Input Capacitance 4 4 4 4 pF TIMING 8 tW, Strobe Pulse Width 200 200 200 200 ns TMIN to TMAX 270 270 270 270 ns tDH Data Hold Time 10 10 10 10 ns TMIN to TMAX 10 10 10 10 ns tDS Data Set-Up Time 200 200 200 200 ns TMIN to TMAX 270 270 270 270 ns POWER SUPPLY Operating Voltage Range (VCC) 2.56 Volt Range +4.5 +16.5 +4.5 +16.5 +4.5 +16.5 +4.5 +16.5 V 10 Volt Range +11.4 +16.5 +11.4 +16.5 +11.4 +16.5 +11.4 +16.5 V Current (ICC)15 25 15 25 15 25 15 25 mA Rejection Ratio 0.03 0.03 0.03 0.03 %/% POWER DISSIPATION, VCC = 5 V 75 125 75 125 75 125 75 125 mW VCC = 15 V 225 375 225 375 225 375 225 375 mW OPERATING TEMPERATURE RANGE 0 +70 0 +70 –55 +125 –55 +125 °C NOTES 1The AD558 S & T grades are available processed and screened lo MIL-STD-883 Class B. Consult Analog Devices’ Military Databook for details. 2Relative Accuracy is defined as the deviation of the code transition points from the ideal transfer point on a straight line from the offset to the full scale of the device. See “Measuring Offset Error”. 3Operation of the 0 volt to 10 volt output range requires a minimum supply voltage of +11.4 volts. 4Passive pull-down resistance is 2 k Ω for 2.56 volt range, 10 kΩ for 10 volt range. 5Settling time is specified for a positive-going full-scale step to ± 1/2 LSB. Negative-going steps to zero are slower, but can be improved with an external pull-down. 6The full range output voltage for the 2.56 range is 2.55 V and is guaranteed with a +5 V supply, for the 10 V range, it is 9.960 V guaranteed with a +15 V supply. 7A monotonic converter has a maximum differential linearity error of ± 1 LSB. 8See Figure 7. Specifications shown in boldface are tested on all production units at final electrical test. Specifications subject to change without notice. (@ TA = +25 C, VCC = +5 V to +15 V unless otherwise noted) REV. A –2– |
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