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ADC12030CIWM Datasheet(PDF) 7 Page - National Semiconductor (TI) |
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ADC12030CIWM Datasheet(HTML) 7 Page - National Semiconductor (TI) |
7 / 41 page Converter Electrical Characteristics (Continued) The following specifications apply for V + =V A+=VD+ = +5.0 VDC,VREF+ = +4.096 VDC,VREF−=0 VDC, 12-bit + sign conver- sion mode, f CK =fSK = 8 MHz for the ADC12H030, ADC12H032, ADC12H034 and ADC12H038, fCK =fSK = 5 MHz for the ADC12030, ADC12032, ADC12034 and ADC12038, R S =25 Ω, source impedance for V REF+ and VREF− ≤ 25Ω, fully-differential input with fixed 2.048V common-mode voltage, and 10(t CK) acquisition time unless otherwise specified. Boldface limits apply for T A =TJ =TMIN to TMAX; all other limits TA =TJ = 25˚C. (Notes 7, 8, 9) Symbol Parameter Conditions Typical (Note 10) Limits (Note 11) Units (Limits) REFERENCE INPUT, ANALOG INPUTS AND MULTIPLEXER CHARACTERISTICS C CH CH0–CH7 and COM Input Capacitance 10 pF C MUXOUT MUX Output Capacitance 20 pF Off Channel Leakage (Note 16) On Channel = 5V and −0.01 −0.3 µA (min) CH0–CH7 and COM Pins Off Channel = 0V On Channel = 0V and 0.01 0.3 µA (max) Off Channel = 5V On Channel Leakage (Note 16) On Channel = 5V and 0.01 0.3 µA (max) CH0–CH7 and COM Pins Off Channel = 0V On Channel = 0V and −0.01 −0.3 µA (min) Off Channel = 5V MUXOUT1 and MUXOUT2 V MUXOUT = 5.0V or 0.01 0.3 µA (max) Leakage Current V MUXOUT =0V R ON MUX On Resistance V IN = 2.5V and 850 1150 Ω (max) V MUXOUT = 2.4V R ON Matching Channel V IN = 2.5V and 5 % to Channel V MUXOUT = 2.4V Channel to Channel Crosstalk V IN =5 VPP,fIN = 40 kHz −72 dB MUX Bandwidth 90 kHz DC and Logic Electrical Characteristics The following specifications apply for V + =V A+=VD+ = +5.0 VDC,VREF+ = +4.096 VDC,VREF−=0 VDC, 12-bit + sign conver- sion mode, f CK =fSK = 8 MHz for the ADC12H030, ADC12H032, ADC12H034 and ADC12H038, fCK =fSK = 5 MHz for the ADC12030, ADC12032, ADC12034 and ADC12038, R S =25 Ω, source impedance for V REF+ and VREF− ≤ 25Ω, fully-differential input with fixed 2.048V common-mode voltage, and 10(t CK) acquisition time unless otherwise specified. Bold- face limits apply for T A =TJ =TMIN to TMAX; all other limits TA =TJ = 25˚C. (Notes 7, 8, 9) Symbol Parameter Conditions Typical Limits Units (Note 10) (Note 11) (Limits) CCLK, CS, CONV, DI, PD AND SCLK INPUT CHARACTERISTICS V IN(1) Logical “1” Input Voltage V + = 5.5V 2.0 V (min) V IN(0) Logical “0” Input Voltage V + = 4.5V 0.8 V (max) I IN(1) Logical “1” Input Current V IN = 5.0V 0.005 1.0 µA (max) I IN(0) Logical “0” Input Current V IN = 0V −0.005 −1.0 µA (min) DO, EOC AND DOR DIGITAL OUTPUT CHARACTERISTICS V OUT(1) Logical “1” Output Voltage V + = 4.5V, I OUT = −360 µA 2.4 V (min) V + = 4.5V, I OUT = − 10 µA 4.25 V (min) V OUT(0) Logical “0” Output Voltage V + = 4.5V, I OUT = 1.6 mA 0.4 V (max) I OUT TRI-STATE® Output Current V OUT = 0V −0.1 −3.0 µA (max) V OUT = 5V 0.1 3.0 µA (max) +I SC Output Short Circuit Source Current V OUT =0V 14 6.5 mA (min) −I SC Output Short Circuit Sink Current V OUT =VD+16 8.0 mA (min) POWER SUPPLY CHARACTERISTICS I D+ Digital Supply Current Awake 1.6 2.5 mA (max) ADC12030, ADC12032, ADC12034 CS = HIGH, Powered Down, CCLK on 600 µA www.national.com 7 |
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