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ADC0820CIWM Datasheet(PDF) 4 Page - National Semiconductor (TI) |
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ADC0820CIWM Datasheet(HTML) 4 Page - National Semiconductor (TI) |
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4 / 22 page  DC Electrical Characteristics The following specifications apply for V CC=5V, unless otherwise specified. Boldface limits apply from TMIN to TMAX; all other limits T A=TJ=25˚C. Parameter Conditions ADC0820BCN, ADC0820CCN Limit Units ADC0820CCJ ADC0820BCV, ADC0820BCWM ADC0820CCWM, ADC0820CIWM Typ Tested Design Typ Tested Design (Note 6) Limit Limit (Note 6) Limit Limit (Note 7) (Note 8) (Note 7) (Note 8) VIN(1), Logical “1” VCC=5.25V CS , WR , RD 2.0 2.0 2.0 V Input Voltage Mode 3.5 3.5 3.5 V VIN(0), Logical “0” VCC=4.75V CS , WR , RD 0.8 0.8 0.8 V Input Voltage Mode 1.5 1.5 1.5 V IIN(1), Logical “1” VIN(1)=5V; CS , RD 0.005 1 0.005 1 µA Input Current VIN(1)=5V; WR 0.1 3 0.1 0.3 3 µA VIN(1)=5V; Mode 50 200 50 170 200 µA IIN(0), Logical “0” VIN(0)=0V; CS,RD,WR, −0.005 −1 −0.005 −1 µA Input Current Mode VOUT(1), Logical “1” VCC=4.75V, IOUT=−360 µA; 2.4 2.8 2.4 V Output Voltage DB0–DB7, OFL , INT VCC=4.75V, IOUT=−10 µA; 4.5 4.6 4.5 V DB0–DB7, OFL , INT VOUT(0), Logical “0” VCC=4.75V, IOUT=1.6 mA; 0.4 0.34 0.4 V Output Voltage DB0–DB7, OFL , INT , RDY IOUT, TRI-STATE VOUT=5V; DB0–DB7, RDY 0.1 3 0.1 0.3 3 µA Output Current VOUT=0V; DB0–DB7, RDY −0.1 −3 −0.1 −0.3 −3 µA ISOURCE, Output VOUT=0V; DB0–DB7, OFL −12 −6 −12 −7.2 −6 mA Source Current INT −9 −4.0 −9 −5.3 −4.0 mA ISINK, Output Sink VOUT=5V; DB0–DB7, OFL , 14 7 14 8.4 7 mA Current INT , RDY ICC, Supply Current CS =WR =RD =0 7.5 15 7.5 13 15 mA AC Electrical Characteristics The following specifications apply for V CC=5V, tr=tf=20 ns, VREF(+)=5V, VREF(−)=0V and TA=25˚C unless otherwise speci- fied. Typ Tested Design Parameter Conditions (Note 6) Limit Limit Units (Note 7) (Note 8) t CRD, Conversion Time for RD Mode Pin 7 = 0, Figure 2 1.6 2.5 µs t ACC0, Access Time (Delay from Pin 7 = 0, Figure 2 t CRD+20 t CRD+50 ns Falling Edge of RD to Output Valid) t CWR-RD, Conversion Time for Pin 7 = V CC;tWR = 600 ns, 1.52 µs WR-RD Mode t RD=600 ns; Figures 3, 4 t WR, Write Time Min Pin 7 = V CC; Figures 3, 4 600 ns Max (Note 4) See Graph 50 µs t RD, Read Time Min Pin 7 = V CC; Figures 3, 4 600 ns (Note 4) See Graph t ACC1, Access Time (Delay from Pin 7 = V CC,tRD<tI; Figure 3 Falling Edge of RD to Output Valid) C L=15 pF 190 280 ns C L=100 pF 210 320 ns www.national.com 4 |
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