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ADC14155 Datasheet(PDF) 8 Page - National Semiconductor (TI) |
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ADC14155 Datasheet(HTML) 8 Page - National Semiconductor (TI) |
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8 / 19 page ![]() Dynamic Converter Electrical Characteristics (Continued) Unless otherwise specified, the following specifications apply: AGND = DGND = DRGND = 0V, V A =VD = +3.3V, VDR = +1.8V, Internal V REF = +1.0V, fCLK = 155 MHz, VCM =VRM,tr =tf = TBD ns, CL = 5 pF/pin, Differential Clock Mode, Offset Binary For- mat. Typical values are for T A = 25˚C. Boldface limits apply for TMIN ≤ T A ≤ T MAX. All other limits apply for TA = 25˚C (Note 6) (Notes 7, 8) Symbol Parameter Conditions Typical (Note 9) Limits (Note 9) Units (Limits) SINAD Signal-to-Noise and Distortion Ratio f IN = 10 MHz 72.2 dBFS f IN = 70 MHz 70.9 TBD dBFS f IN = 169 MHz 69.1 dBFS f IN = 238 MHz 67.9 dBFS f IN = 398 MHz TBD dBFS IMD Intermodulation Distortion f IN = 19.5 MHz and 20.5 MHz, each = −6.5 dBFS TBD dBFS Logic and Power Supply Electrical Characteristics Unless otherwise specified, the following specifications apply: AGND = DGND = DRGND = 0V, V A =VD = +3.3V, VDR = +1.8V, Internal V REF = +1.0V, fCLK = 155 MHz, VCM =VRM,tr =tf = TBD ns, CL = 5 pF/pin, Differential Clock Mode, Offset Binary For- mat. Typical values are for T A = 25˚C. Boldface limits apply for TMIN ≤ T A ≤ T MAX. All other limits apply for TA = 25˚C (Notes 6, 7, 8) Symbol Parameter Conditions Typical (Note 9) Limits (Note 9) Units (Limits) DIGITAL INPUT CHARACTERISTICS (CLK, PD/DCS, CLK_SEL/DF) V IN(1) Logical “1” Input Voltage V D = 3.6V 2.0 V (min) V IN(0) Logical “0” Input Voltage V D = 3.0V 1.0 V (max) I IN(1) Logical “1” Input Current V IN = 3.3V 10 µA I IN(0) Logical “0” Input Current V IN = 0V −10 µA C IN Digital Input Capacitance 5 pF DIGITAL OUTPUT CHARACTERISTICS (D0–D13, DRDY, OVR) V OUT(1) Logical “1” Output Voltage I OUT = −0.5 mA , VDR = 1.8V 1.2 V (min) V OUT(0) Logical “0” Output Voltage I OUT = 1.6 mA, VDR = 1.8V 0.4 V (max) +I SC Output Short Circuit Source Current V OUT = 0V −10 mA −I SC Output Short Circuit Sink Current V OUT =VDR 10 mA C OUT Digital Output Capacitance 5 pF POWER SUPPLY CHARACTERISTICS I A Analog Supply Current Full Operation Powerdown (No Clock) 286 1.5 TBD mA (max) mA I D Digital Supply Current Full Operation Powerdown 9 0 TBD mA (max) mA I DR Digital Output Supply Current Full Operation (Note 13) Powerdown 15 0 TBD mA (max) mA Power Consumption Excludes I DR (Note 13) 974 TBD mW (max) Power Down Power Consumption Clock disabled 5 mW PSRR Power Supply Rejection Ratio Ratio of Full-Scale Output with V A =3.0V vs. 3.6V TBD dB www.national.com 8 |
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