Rainbow-electronics ADC12DL066 Manual do Utilizador

ADC12DL066Dual 12-Bit, 66 MSPS, 450 MHz Input Bandwidth A/DConverter w/Internal ReferenceGeneral DescriptionThe ADC12DL066 is a dual, low power monoli

Timing Diagram20055209Output TimingTransfer Characteristic20055210FIGURE 1. Transfer CharacteristicADC12DL066www.national.com 10

Typical Performance Characteristics VA=VD= +3.3V, VDR= +2.5V, fCLK= 66 MHz, fIN=10MHzunless otherwise statedDNL DNL vs. fCLK2005521820055219DNL vs. Cl

Typical Performance Characteristics VA=VD= +3.3V, VDR= +2.5V, fCLK= 66 MHz, fIN=10MHzunless otherwise stated (Continued)INL vs. fCLKINL vs. Clock Duty

Typical Performance Characteristics VA=VD= +3.3V, VDR= +2.5V, fCLK= 66 MHz, fIN=10MHzunless otherwise stated (Continued)SNR, SINAD, SFDR vs. VREFSNR,

Typical Performance Characteristics VA=VD= +3.3V, VDR= +2.5V, fCLK= 66 MHz, fIN=10MHzunless otherwise stated (Continued)Distortion vs. VREFDistortion

Typical Performance Characteristics VA=VD= +3.3V, VDR= +2.5V, fCLK= 66 MHz, fIN=10MHzunless otherwise stated (Continued)SPECTRAL PLOT, FIN= 33 MHz IMD

Functional DescriptionOperating on a single +3.3V supply, the ADC12DL066 usesa pipeline architecture and has error correction circuitry tohelp ensure

Applications Information (Continued)frequency inputs, angular errors result in a reduction of theeffective full scale input. For complex waveforms, ho

Applications Information (Continued)A single-ended to differential conversion circuit is shown inFigure 5. Table 3 gives resistor values for that circ

Applications Information (Continued)Be very careful when driving a high capacitance bus. Themore capacitance the output drivers must charge for eachco

Ordering InformationIndustrial (−40˚C ≤ TA≤ +85˚C) PackageADC12DL066CIVS 64 Pin TQFPADC12DL066EVAL Evaluation BoardBlock Diagram20055202ADC12DL066www.

Applications Information (Continued)4.0 POWER SUPPLY CONSIDERATIONSThe power supply pins should be bypassed with a 10 µFcapacitor and with a 0.1 µF ce

Applications Information (Continued)Be especially careful with the layout of inductors. Mutualinductance can change the characteristics of the circuit

Applications Information (Continued)7.0 COMMON APPLICATION PITFALLSDriving the inputs (analog or digital) beyond the powersupply rails. For proper ope

Physical Dimensions inches (millimeters) unless otherwise noted64-Lead TQFP PackageOrdering Number ADC12DL066CIVSNS Package Number VECO64ALIFE SUPPORT

Pin Descriptions and Equivalent CircuitsPin No. Symbol Equivalent Circuit DescriptionANALOG I/O152VINA+VINB+Differential analog input pins. With a 1.0

Pin Descriptions and Equivalent Circuits (Continued)Pin No. Symbol Equivalent Circuit Description24–2934–39DA0–DA11Digital data output pins that make

Absolute Maximum Ratings (Notes 1,2)If Military/Aerospace specified devices are required,please contact the National Semiconductor Sales Office/Distri

Converter Electrical Characteristics (Continued)Unless otherwise specified, the following specifications apply for AGND = DGND = DR GND = 0V, VA=VD= +

DC and Logic Electrical CharacteristicsUnless otherwise specified, the following specifications apply for AGND = DGND = DR GND = 0V, VA=VD= +3.3V, VDR

AC Electrical Characteristics (Continued)Unless otherwise specified, the following specifications apply for AGND = DGND = DR GND = 0V, VA=VD= +3.3V, V

Specification DefinitionsAPERTURE DELAY is the time after the rising edge of theclock to when the input signal is acquired or held for conver-sion.APE