Rainbow-electronics ADC11DL066 Uživatelský manuál

ADC11DL066Dual 11-Bit, 66 MSPS, 450 MHz Input Bandwidth A/DConverter w/Internal ReferenceGeneral DescriptionThe ADC11DL066 is a dual, low power monoli

Timing Diagram20077309Output TimingTransfer Characteristic20077310FIGURE 1. Transfer CharacteristicADC11DL066www.national.com 10

Typical Performance Characteristics VA=VD= +3.3V, VDR= +2.5V, fCLK= 66 MHz, fIN=10MHzunless otherwise statedDNL DNL vs. fCLK20077318 20077319DNL vs. C

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= 10 MHz SPE

Functional DescriptionOperating on a single +3.3V supply, the ADC11DL066 usesa pipeline architecture and has error correction circuitry tohelp ensure

Applications Information (Continued)For single frequency sine waves the full scale error in LSBcan be described as approximatelyEFS=2048(1-sin(90˚ + d

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) PackageADC11DL066CIVS 64 Pin TQFPBlock Diagram20077302ADC11DL066www.national.com 2

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 ADC11DL066CIVSNS Package Number VEC64ALIFE SUPPORT P

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

Pin Descriptions and Equivalent Circuits (Continued)Pin No. Symbol Equivalent Circuit Description25–2934–39DA0–DA10Digital 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