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ADC10030 데이터시트(PDF) 6 Page - National Semiconductor (TI) |
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ADC10030 데이터시트(HTML) 6 Page - National Semiconductor (TI) |
6 / 17 page Converter Electrical Characteristics (Continued) The following specifications apply for V A = +5.0VDC,VD = 5.0VDC,VD I/O = +5.0VDC,VREF+ = +3.5VDC,VREF− = +1.75VDC, C L = 20 pF, fCLK = 27 MHz, RS = 50Ω. Boldface limits apply for TA = TMIN to TMAX: all other limits TA = 25˚C (Note 7) Symbol Parameter Conditions Typical (Note 8) Limits (Note 9) Units Dynamic Converter Characteristics Underrange Output Code V IN < VREF− BW Full Power Bandwidth 150 MHz PSRR Power Supply Rejection Ratio Change in Full Scale with 4.5V to 5.5V Supply Change 56 dB Reference, DC, and Logic Electrical Characteristics The following specifications apply for V A = +5.0VDC,VD = +5.0VDC,VD I/O = +5.0VDC,VREF+ = +3.5VDC,VREF− = +1.75V DC,CL = 20 pF, fCLK = 27 MHz, RS = 50Ω. Boldface limits apply for TA = TMIN to TMAX: all other limits TA = 25˚C (Note 7) Symbol Parameter Conditions Typical (Note 8) Limits (Note 9) Units Reference and Analog Input Characteristics V IN Analog Input Range 1.75 3.5 1.6 3.8 V(min) V(max) C IN Analog V IN Input Capacitance 5pF I IN Input Leakage Current 10 µA R REF Reference Ladder Resistance 1000 850 1150 Ω(min) Ω(max) V REF+ Positive Reference Voltage 3.5 3.8 V(max) V REF− Negative Reference Voltage 1.75 1.6 V(min) (V REF+) − (V REF−) Total Reference Voltage 1.75 1.0 2.2 V(min) V(max) CLK, OE, PD, Digital Input Characteristics V IH Logical “1” Input Voltage V D = 5.5V 2.0 V(min) V IL Logical “0” Input Voltage V D = 4.5V 1.0 V(max) I IH Logical “1” Input Current V IH = VD 10 µA I IL Logical “0” Input Current V IL = DGND −10 µA DB0–DB9 Digital Output Characteristics V OH Logical “1” Output Voltage V D I/O = +4.5V, IOUT = −0.5 mA V D I/O = +2.7V, IOUT = −0.5 mA 4.0 2.4 V(min) V(min) V OL Logical “0” Output Voltage V D I/O = +4.5V, IOUT = −1.6 mA V D I/O = +2.7V, IOUT = −1.6 mA 0.4 0.4 V(max) V(max) I OZ TRI-STATE Output Current V OUT = DGND V OUT = VD −10 10 µA µA I OS Output Short Circuit Current V D I/O = 3V ±12 mA V D I/O = 5V ±25 mA Power Supply Characteristics I A Analog Supply Current PD = LOW, Ladder Current not included PD = HIGH, Ladder Current not included 17.6 0.5 mA(max) mA I D + I D I/O Digital Supply Current PD = LOW, Ladder Current not included PD = HIGH, Ladder Current not included 6.6 0.2 mA(max) mA www.national.com 6 |
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