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ADC12D040EVAL bảng dữ liệu(PDF) 6 Page - National Semiconductor (TI) |
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ADC12D040EVAL bảng dữ liệu(HTML) 6 Page - National Semiconductor (TI) |
6 / 22 page Converter Electrical Characteristics (Continued) Unless otherwise specified, the following specifications apply for AGND = DGND = DR GND = 0V, V A VD +5V, VDR +3.0V, PD = 0V, INT/EXT = V D,VREF = +2.0V, OEA, OEB = 0V, fCLK = 40 MHz, tr =tf = 3 ns, CL = 20 pF/pin. Boldface limits apply for T J =TMIN to TMAX: all other limits TJ = 25˚C (Notes 7, 8, 9) Symbol Parameter Conditions Typical (Note 10) Limits (Note 10) Units (Limits) H3 Third Harmonic f IN = 1 MHz, VIN = −0.5 dBFS −84 dB f IN = 10 MHz, VIN = −0.5 dBFS −82 −69.5 dB (max) SFDR Spurious Free Dynamic Range f IN = 1 MHz, VIN = −0.5 dBFS 84 dB f IN = 10 MHz, VIN = −0.5 dBFS 80 69.5 dB (min) IMD Intermodulation Distortion f IN = 9.6 MHz and 10.2 MHz, each = −6.0 dBFS −80 dBFS INTER-CHANNEL CHARACTERISTICS Channel — Channel Offset Match ±0.02 %FS Channel — Channel Gain Error Match ±0.05 %FS Crosstalk 10 MHz Tested Channel. 15 MHz Other Channel −80 dB REFERENCE AND ANALOG INPUT CHARACTERISTICS C IN V IN Input Capacitance (each pin to GND) V IN = 2.5 Vdc + 0.7 V rms (CLK LOW) 8 pF (CLK HIGH) 7 pF V REF Input Reference Voltage (Note 13) 2.00 1.0 V (min) 2.4 V (max) R REF Reference Input Resistance 100 M Ω (min) V IN Analog Input Voltage Range 0 V (min) 4 V (max) DC and Logic Electrical Characteristics Unless otherwise specified, the following specifications apply for AGND = DGND = DR GND = 0V, V A =VD = +5V, VDR = +3.0V, PD = 0V, INT/EXT = V D,VREF = +2.0V, OEA, OEB = 0V, fCLK = 40 MHz, tr =tf = 3 ns, CL = 20 pF/pin. Boldface limits apply for T J =TMIN to TMAX: all other limits TJ = 25˚C (Notes 7, 8, 9) Symbol Parameter Conditions Typical (Note 10) Limits (Note 10) Units (Limits) CLK, PD, OE DIGITAL INPUT CHARACTERISTICS V IN(1) Logical “1” Input Voltage V D = 5.25V 2.0 V (min) V IN(0) Logical “0” Input Voltage V D = 4.75V 1.0 V (max) I IN(1) Logical “1” Input Current V IN = 5.0V 10 µA I IN(0) Logical “0” Input Current V IN = 0V −10 µA C IN Digital Input Capacitance 5 pF D0–D11 DIGITAL OUTPUT CHARACTERISTICS V OUT(1) Logical “1” Output Voltage I OUT = −0.5 mA V DR = 2.5V 2.3 V (min) V DR =3V 2.7 V (min) V OUT(0) Logical “0” Output Voltage I OUT = 1.6 mA, VDR =3V 0.4 V (max) I OZ TRI-STATE Output Current V OUT = 2.5V or 5V 100 nA V OUT = 0V −100 nA +I SC Output Short Circuit Source Current V OUT = 0V −20 mA −I SC Output Short Circuit Sink Current V OUT =VDR 20 mA C OUT Digital Output Capacitance 5 pF www.national.com 6 |
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