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ADC08200 Datasheet(PDF) 6 Page - National Semiconductor (TI) |
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ADC08200 Datasheet(HTML) 6 Page - National Semiconductor (TI) |
6 / 19 page Converter Electrical Characteristics (Continued) The following specifications apply for V A =VDR = +3.0VDC,VRT = +1.9V, VRB = 0.3V, CL = 5 pF, fCLK = 200 MHz at 50% duty cycle. Boldface limits apply for T J =TMIN to TMAX: all other limits TJ = 25˚C (Notes 7, 8) Symbol Parameter Conditions Typical (Note 9) Limits (Note 9) Units (Limits) POWER SUPPLY CHARACTERISTICS I A Analog Supply Current DC Input 69.75 86 mA (max) f IN = 10 MHz, VIN =FS−3dB 69.75 mA I DR Output Driver Supply Current DC Input, PD = Low 0.25 0.6 mA (max) I A +IDR Total Operating Current DC Input, PD = Low 70 86.6 mA (max) CLK Low, PD = Hi 0.3 mA PC Power Consumption DC Input, Excluding Reference 210 260 mW (max) CLK Low, PD = Hi 1 mW PSRR 1 Power Supply Rejection Ratio FSE change with 2.7V to 3.3V change in V A 54 dB PSRR 2 Power Supply Rejection Ratio SNR reduction with 200 mV at 1MHz on supply 45 dB AC ELECTRICAL CHARACTERISTICS f C1 Maximum Conversion Rate 230 200 MHz (min) f C2 Minimum Conversion Rate 10 MHz t CL Minimum Clock Low Time 0.87 1.0 ns (min) t CH Minimum Clock High Time 0.65 0.75 ns (min) t OH Output Hold Time, Output Falling (Note 10) CLK to Data Invalid, V A = 3.3V to 3.6V, t A = −40˚C to +105˚C, CL =8 pF 2.4 3.3 ns (max) Output Hold Time, Output Rising (Note 10) CLK to Data Invalid, V A = 3.3V to 3.6V, t A = −40˚C to +105˚C, CL =8 pF 1.9 2.5 ns (max) t OD Output Delay, Output Falling (Note 10) CLK to Data Transition, V A = 3.3V to 3.6V, V A = −40˚C to +105˚C, CL =8 pF 3.9 2.4 ns (min) 5.1 ns (max) Output Delay, Output Rising (Note 10) CLK to Data Transition, V A = 3.3V to 3.6V, t A = −40˚C to +105˚C, CL =8 pF 3.3 2.4 ns (min) 4.0 ns (max) t SLEW Output Slew Rate Output Falling, V A = 3.3V, CL = 8 pF, t A = −40˚C to +105˚C 0.73 V/ns Output Rising, V A = 3.3V, CL = 8 pF, t A = −40˚C to +105˚C 0.88 V/ns Pipeline Delay (Latency) 6 Clock Cycles t AD Sampling (Aperture) Delay CLK Rise to Acquisition of Data 2.6 ns t AJ Aperture Jitter 2 ps rms Note 1: Absolute Maximum Ratings indicate limits beyond which damage to the device may occur. Operating Ratings indicate conditions for which the device is functional, but do not guarantee specific performance limits. For guaranteed specifications and test conditions, see the Electrical Characteristics. The guaranteed specifications apply only for the test conditions listed. Some performance characteristics may degrade when the device is not operated under the listed test conditions. Note 2: All voltages are measured with respect to GND = AGND = DR GND = 0V, unless otherwise specified. Note 3: When the input voltage at any pin exceeds the power supplies (that is, less than AGND or DR GND, or greater than VA or VDR), the current at that pin should be limited to 25 mA. The 50 mA maximum package input current rating limits the number of pins that can safely exceed the power supplies with an input current of 25 mA to two. Note 4: The absolute maximum junction temperature (TJmax) for this device is 150˚C. The maximum allowable power dissipation is dictated by TJmax, the junction-to-ambient thermal resistance ( θJA), and the ambient temperature (TA), and can be calculated using the formula PDMAX = (TJmax − TA)/ θJA. The values for maximum power dissipation listed above will be reached only when this device is operated in a severe fault condition (e.g., when input or output pins are driven beyond the power supply voltages, or the power supply polarity is reversed). Obviously, such conditions should always be avoided. Note 5: Human body model is 100 pF capacitor discharged through a 1.5 k Ω resistor. Machine model is 220 pF discharged through ZERO Ohms. Note 6: See AN-450, “Surface Mounting Methods and Their Effect on Product Reliability”. www.national.com 6 |
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