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ADC08100 데이터시트(PDF) 7 Page - Texas Instruments |
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ADC08100 데이터시트(HTML) 7 Page - Texas Instruments |
7 / 28 page ADC08100 www.ti.com SNAS060I – JUNE 2000 – REVISED MAY 2013 Converter Electrical Characteristics (continued) The following specifications apply for VA = DR VD = +3.0VDC, VRT = +1.9V, VRB = 0.3V, CL = 10 pF, fCLK = 100 MHz at 50% duty cycle. Boldface limits apply for TJ = TMIN to TMAX: all other limits TJ = 25°C (1)(2)(3) Typical Limits Units Symbol Parameter Conditions (4) (4) (Limits) POWER SUPPLY CHARACTERISTICS DC Input 41 50 mA (max) IA Analog Supply Current fIN = 10 MHz, VIN = −3 dBFS 41 mA (max) DC Input 1 2 mA (max) DR ID Output Driver Supply Current(5) fIN = 10 MHz, VIN = −3 dBFS 8 mA (max) DC Input 42 52 IA + Total Operating Current fIN = 10 MHz, VIN = −3 dBFS, PD = Low 49 mA (max) DR ID CLK Low, PD = Hi 0.2 DC Input 126 156 mW (max) PC Power Consumption fIN = 10 MHz, VIN = −3 dBFS, PD = Low 147 mW CLK Low, PD = Hi 0.6 mW PSRR1 Power Supply Rejection Ratio FSE change with 2.7V to 3.3V change in VA 54 dB Rejection of 150 mV at 9.8 MHz riding upon PSRR2 Power Supply Rejection Ratio 33 dB supply AC ELECTRICAL CHARACTERISTICS fC1 Maximum Conversion Rate 125 100 MHz (min) fC2 Minimum Conversion Rate 20 MHz tCL Minimum Clock Low Time 4.5 ns (min) tCH Minimum Clock High Time 4.5 ns (min) tOH Output Hold Time CLK Rise to Data Invalid 4.4 ns tOD Output Delay CLK Rise to Data Valid 5.9 8.5 ns (max) Pipeline Delay (Latency) 2.5 Clock Cycles tAD Sampling (Aperture) Delay CLK Fall to Acquisition of Data 1.5 ns tAJ Aperture Jitter 2 ps rms (5) IDR is the current consumed by the switching of the output drivers and is primarily determined by the load capacitance on the output pins, the supply voltage, VDR, and the rate at which the outputs are switching (which is signal dependent), IDR = VDR (CO x fO + C1 x f1 + … + C71 x f7) where VDR is the output driver power supply voltage, Cn is the total capacitance on any given output pin, and fn is the average frequency at which that pin is toggling. Copyright © 2000–2013, Texas Instruments Incorporated Submit Documentation Feedback 7 Product Folder Links: ADC08100 |
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