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ADC12L034CIWM Datasheet(PDF) 7 Page - National Semiconductor (TI) |
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ADC12L034CIWM Datasheet(HTML) 7 Page - National Semiconductor (TI) |
7 / 36 page Converter Electrical Characteristics (Continued) The following specifications apply for V + = V A+ = VD+ = +3.3 VDC,VREF+ = +2.500 VDC,VREF− = 0VDC, 12-bit + sign conver- sion mode, f CK = fSK = 5 MHz, RS = 25Ω, source impedance for VREF+ and VREF− ≤ 25Ω, fully-differential input with fixed 1.250V common-mode voltage, and 10(t CK) acquisition time unless otherwise specified. Boldface limits apply for TA = TJ = T MIN to TMAX; all other limits TA = TJ = 25˚C. (Notes 7, 8, 9) Symbol Parameter Conditions Typical (Note 10) Limits Units (Limits) (Note 11) REFERENCE INPUT, ANALOG INPUTS AND MULTIPLEXER CHARACTERISTICS MUXOUT1 and MUXOUT2 V MUXOUT = 3.3V or 0.01 0.3 µA (max) Leakage Current V MUXOUT = 0V R ON MUX On Resistance V IN = 1.65V and 1300 1900 Ω (max) V MUXOUT = 1.55V R ON Matching Channel to Channel V IN = 1.65V and 5 % V MUXOUT = 1.55V Channel to Channel Crosstalk V IN = 3.3 VPP,fIN = 40 kHz −72 dB MUX Bandwidth 90 kHz DC and Logic Electrical Characteristics The following specifications apply for V + = V A+ = VD+ = +3.3 VDC,VREF+ = +2.500 VDC,VREF− = 0VDC, 12-bit + sign conver- sion mode, f CK = fSK = 5 MHz, RS = 25Ω, source impedance for VREF+ and VREF− ≤ 25Ω, fully-differential input with fixed 1.250V common-mode voltage, and 10(t CK) acquisition time unless otherwise specified. Boldface limits apply for TA = TJ = T MIN 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 + = 3.6V 2.0 V (min) V IN(0) Logical “0” Input Voltage V + = 3.0V 0.8 V (max) I IN(1) Logical “1” Input Current V IN = 3.3V 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 + = 3.0V, I OUT = −360 µA 2.4 V (min) V + = 3.0V, I OUT = −10µA 2.9 V (min) V OUT(0) Logical “0” Output Voltage V + = 3.0V, 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 = 3.3V 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 1.1 1.5 mA (max) CS = HIGH, Powered Down, CCLK on 600 µA CS = HIGH, Powered Down, CCLK off 12 µA I A+ Positive Analog Supply Current Awake 2.2 3.0 mA (max) CS = HIGH, Powered Down, CCLK on 10 µA CS = HIGH, Powered Down, CCLK off 0.1 µA I REF Reference Input Current Awake 70 µA CS = HIGH, Powered Down 0.1 µA www.national.com 7 |
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